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Merge commit '7ed6fb9b5a5510e4ef78ab27419184741169978a' into x86/espfix 

Merge in Linus' tree with:

fa81511bb0 x86-64, modify_ldt: Make support for 16-bit segments a runtime option

... reverted, to avoid a conflict.  This commit is no longer necessary
with the proper fix in place.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
H. Peter Anvin 2014-05-21 15:23:19 -07:00
parent 34273f41d5 7ed6fb9b5a
commit e6ab9a20e7
542 changed files with 5777 additions and 3615 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/devicetree/bindings/arm/arch_timer.txt
View File

@ -19,6 +19,9 @@ to deliver its interrupts via SPIs.
- clock-frequency : The frequency of the main counter, in Hz. Optional.
- always-on : a boolean property. If present, the timer is powered through an
always-on power domain, therefore it never loses context.
Example:
timer {

3
Documentation/devicetree/bindings/ata/apm-xgene.txt
View File

@ -24,6 +24,7 @@ Required properties:
* "sata-phy" for the SATA 6.0Gbps PHY
Optional properties:
- dma-coherent : Present if dma operations are coherent
- status : Shall be "ok" if enabled or "disabled" if disabled.
Default is "ok".
@ -55,6 +56,7 @@ Example:
<0x0 0x1f22e000 0x0 0x1000>,
<0x0 0x1f227000 0x0 0x1000>;
interrupts = <0x0 0x87 0x4>;
dma-coherent;
status = "ok";
clocks = <&sataclk 0>;
phys = <&phy2 0>;
@ -69,6 +71,7 @@ Example:
<0x0 0x1f23e000 0x0 0x1000>,
<0x0 0x1f237000 0x0 0x1000>;
interrupts = <0x0 0x88 0x4>;
dma-coherent;
status = "ok";
clocks = <&sataclk 0>;
phys = <&phy3 0>;

2
Documentation/devicetree/bindings/clock/at91-clock.txt
View File

@ -62,7 +62,7 @@ Required properties for PMC node:
- interrupt-controller : tell that the PMC is an interrupt controller.
- #interrupt-cells : must be set to 1. The first cell encodes the interrupt id,
and reflect the bit position in the PMC_ER/DR/SR registers.
You can use the dt macros defined in dt-bindings/clk/at91.h.
You can use the dt macros defined in dt-bindings/clock/at91.h.
0 (AT91_PMC_MOSCS) -> main oscillator ready
1 (AT91_PMC_LOCKA) -> PLL A ready
2 (AT91_PMC_LOCKB) -> PLL B ready

4
Documentation/devicetree/bindings/dma/ti-edma.txt
View File

@ -29,6 +29,6 @@ edma: edma@49000000 {
dma-channels = <64>;
ti,edma-regions = <4>;
ti,edma-slots = <256>;
ti,edma-xbar-event-map = <1 12
2 13>;
ti,edma-xbar-event-map = /bits/ 16 <1 12
2 13>;
};

12
Documentation/devicetree/bindings/net/arc_emac.txt
View File

@ -4,11 +4,15 @@ Required properties:
- compatible: Should be "snps,arc-emac"
- reg: Address and length of the register set for the device
- interrupts: Should contain the EMAC interrupts
- clock-frequency: CPU frequency. It is needed to calculate and set polling
period of EMAC.
- max-speed: see ethernet.txt file in the same directory.
- phy: see ethernet.txt file in the same directory.
Clock handling:
The clock frequency is needed to calculate and set polling period of EMAC.
It must be provided by one of:
- clock-frequency: CPU frequency.
- clocks: reference to the clock supplying the EMAC.
Child nodes of the driver are the individual PHY devices connected to the
MDIO bus. They must have a "reg" property given the PHY address on the MDIO bus.
@ -19,7 +23,11 @@ Examples:
reg = <0xc0fc2000 0x3c>;
interrupts = <6>;
mac-address = [ 00 11 22 33 44 55 ];
clock-frequency = <80000000>;
/* or */
clocks = <&emac_clock>;
max-speed = <100>;
phy = <&phy0>;

2
Documentation/devicetree/bindings/net/socfpga-dwmac.txt
View File

@ -23,5 +23,5 @@ gmac0: ethernet@ff700000 {
interrupt-names = "macirq";
mac-address = [00 00 00 00 00 00];/* Filled in by U-Boot */
clocks = <&emac_0_clk>;
clocks-names = "stmmaceth";
clock-names = "stmmaceth";
};

2
Documentation/devicetree/bindings/net/stmmac.txt
View File

@ -33,7 +33,7 @@ Optional properties:
- max-frame-size: See ethernet.txt file in the same directory
- clocks: If present, the first clock should be the GMAC main clock,
further clocks may be specified in derived bindings.
- clocks-names: One name for each entry in the clocks property, the
- clock-names: One name for each entry in the clocks property, the
first one should be "stmmaceth".
Examples:

4
Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt
View File

@ -83,7 +83,7 @@ Example:
reg = <0xfe61f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfe610000 0x5000>;
PIO0: gpio@fe610000 {
@ -165,7 +165,7 @@ sdhci0:sdhci@fe810000{
interrupt-parent = <&PIO3>;
#interrupt-cells = <2>;
interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; /* Interrupt line via PIO3-3 */
interrupts-names = "card-detect";
interrupt-names = "card-detect";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mmc>;
};

2
Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
View File

@ -47,7 +47,7 @@ mcasp0: mcasp0@1d00000 {
reg = <0x100000 0x3000>;
reg-names "mpu";
interrupts = <82>, <83>;
interrupts-names = "tx", "rx";
interrupt-names = "tx", "rx";
op-mode = <0>; /* MCASP_IIS_MODE */
tdm-slots = <2>;
serial-dir = <

6
Documentation/devicetree/bindings/sound/tlv320aic31xx.txt
View File

@ -13,6 +13,9 @@ Required properties:
"ti,tlv320aic3111" - TLV320AIC3111 (stereo speaker amp, MiniDSP)
- reg - <int> - I2C slave address
- HPVDD-supply, SPRVDD-supply, SPLVDD-supply, AVDD-supply, IOVDD-supply,
DVDD-supply : power supplies for the device as covered in
Documentation/devicetree/bindings/regulator/regulator.txt
Optional properties:
@ -24,9 +27,6 @@ Optional properties:
3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD
If this node is not mentioned or if the value is unknown, then
micbias is set to 2.0V.
- HPVDD-supply, SPRVDD-supply, SPLVDD-supply, AVDD-supply, IOVDD-supply,
DVDD-supply : power supplies for the device as covered in
Documentation/devicetree/bindings/regulator/regulator.txt
CODEC output pins:
* HPL

5
Documentation/input/elantech.txt
View File

@ -504,9 +504,12 @@ byte 5:
* reg_10
bit 7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 A
0 0 0 0 R F T A
A: 1 = enable absolute tracking
T: 1 = enable two finger mode auto correct
F: 1 = disable ABS Position Filter
R: 1 = enable real hardware resolution
6.2 Native absolute mode 6 byte packet format
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

8
Documentation/kernel-parameters.txt
View File

@ -2218,10 +2218,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
noreplace-smp [X86-32,SMP] Don't replace SMP instructions
with UP alternatives
nordrand [X86] Disable the direct use of the RDRAND
instruction even if it is supported by the
processor. RDRAND is still available to user
space applications.
nordrand [X86] Disable kernel use of the RDRAND and
RDSEED instructions even if they are supported
by the processor. RDRAND and RDSEED are still
available to user space applications.
noresume [SWSUSP] Disables resume and restores original swap
space.

2
Documentation/networking/scaling.txt
View File

@ -429,7 +429,7 @@ RPS and RFS were introduced in kernel 2.6.35. XPS was incorporated into
(therbert@google.com)
Accelerated RFS was introduced in 2.6.35. Original patches were
submitted by Ben Hutchings (bhutchings@solarflare.com)
submitted by Ben Hutchings (bwh@kernel.org)
Authors:
Tom Herbert (therbert@google.com)

42
MAINTAINERS
View File

@ -1893,14 +1893,15 @@ L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/broadcom/bnx2x/
BROADCOM BCM281XX/BCM11XXX ARM ARCHITECTURE
BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITECTURE
M: Christian Daudt <bcm@fixthebug.org>
M: Matt Porter <mporter@linaro.org>
L: bcm-kernel-feedback-list@broadcom.com
T: git git://git.github.com/broadcom/bcm11351
T: git git://github.com/broadcom/mach-bcm
S: Maintained
F: arch/arm/mach-bcm/
F: arch/arm/boot/dts/bcm113*
F: arch/arm/boot/dts/bcm216*
F: arch/arm/boot/dts/bcm281*
F: arch/arm/configs/bcm_defconfig
F: drivers/mmc/host/sdhci_bcm_kona.c
@ -3485,6 +3486,12 @@ S: Maintained
F: drivers/extcon/
F: Documentation/extcon/
EXYNOS DP DRIVER
M: Jingoo Han <jg1.han@samsung.com>
L: dri-devel@lists.freedesktop.org
S: Maintained
F: drivers/gpu/drm/exynos/exynos_dp*
EXYNOS MIPI DISPLAY DRIVERS
M: Inki Dae <inki.dae@samsung.com>
M: Donghwa Lee <dh09.lee@samsung.com>
@ -3550,7 +3557,7 @@ F: include/scsi/libfcoe.h
F: include/uapi/scsi/fc/
FILE LOCKING (flock() and fcntl()/lockf())
M: Jeff Layton <jlayton@redhat.com>
M: Jeff Layton <jlayton@poochiereds.net>
M: J. Bruce Fields <bfields@fieldses.org>
L: linux-fsdevel@vger.kernel.org
S: Maintained
@ -4812,6 +4819,14 @@ L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F: kernel/irq/
IRQCHIP DRIVERS
M: Thomas Gleixner <tglx@linutronix.de>
M: Jason Cooper <jason@lakedaemon.net>
L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
T: git git://git.infradead.org/users/jcooper/linux.git irqchip/core
F: drivers/irqchip/
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
@ -5108,14 +5123,19 @@ F: drivers/s390/kvm/
KERNEL VIRTUAL MACHINE (KVM) FOR ARM
M: Christoffer Dall <christoffer.dall@linaro.org>
M: Marc Zyngier <marc.zyngier@arm.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kvmarm@lists.cs.columbia.edu
W: http://systems.cs.columbia.edu/projects/kvm-arm
S: Supported
F: arch/arm/include/uapi/asm/kvm*
F: arch/arm/include/asm/kvm*
F: arch/arm/kvm/
F: virt/kvm/arm/
F: include/kvm/arm_*
KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
M: Christoffer Dall <christoffer.dall@linaro.org>
M: Marc Zyngier <marc.zyngier@arm.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kvmarm@lists.cs.columbia.edu
@ -5479,15 +5499,15 @@ F: Documentation/hwmon/ltc4261
F: drivers/hwmon/ltc4261.c
LTP (Linux Test Project)
M: Shubham Goyal <shubham@linux.vnet.ibm.com>
M: Mike Frysinger <vapier@gentoo.org>
M: Cyril Hrubis <chrubis@suse.cz>
M: Caspar Zhang <caspar@casparzhang.com>
M: Wanlong Gao <gaowanlong@cn.fujitsu.com>
M: Jan Stancek <jstancek@redhat.com>
M: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
M: Alexey Kodanev <alexey.kodanev@oracle.com>
L: ltp-list@lists.sourceforge.net (subscribers-only)
W: http://ltp.sourceforge.net/
W: http://linux-test-project.github.io/
T: git git://github.com/linux-test-project/ltp.git
T: git git://ltp.git.sourceforge.net/gitroot/ltp/ltp-dev
S: Maintained
M32R ARCHITECTURE
@ -7277,7 +7297,6 @@ F: drivers/video/aty/aty128fb.c
RALINK RT2X00 WIRELESS LAN DRIVER
P: rt2x00 project
M: Ivo van Doorn <IvDoorn@gmail.com>
M: Gertjan van Wingerde <gwingerde@gmail.com>
M: Helmut Schaa <helmut.schaa@googlemail.com>
L: linux-wireless@vger.kernel.org
L: users@rt2x00.serialmonkey.com (moderated for non-subscribers)
@ -7293,7 +7312,7 @@ F: Documentation/blockdev/ramdisk.txt
F: drivers/block/brd.c
RANDOM NUMBER DRIVER
M: Theodore Ts'o" <tytso@mit.edu>
M: "Theodore Ts'o" <tytso@mit.edu>
S: Maintained
F: drivers/char/random.c
@ -7674,7 +7693,6 @@ F: drivers/clk/samsung/
SAMSUNG SXGBE DRIVERS
M: Byungho An <bh74.an@samsung.com>
M: Girish K S <ks.giri@samsung.com>
M: Siva Reddy Kallam <siva.kallam@samsung.com>
M: Vipul Pandya <vipul.pandya@samsung.com>
S: Supported
L: netdev@vger.kernel.org
@ -9951,7 +9969,7 @@ F: drivers/net/hamradio/*scc.c
F: drivers/net/hamradio/z8530.h
ZBUD COMPRESSED PAGE ALLOCATOR
M: Seth Jennings <sjenning@linux.vnet.ibm.com>
M: Seth Jennings <sjennings@variantweb.net>
L: linux-mm@kvack.org
S: Maintained
F: mm/zbud.c
@ -9996,7 +10014,7 @@ F: mm/zsmalloc.c
F: include/linux/zsmalloc.h
ZSWAP COMPRESSED SWAP CACHING
M: Seth Jennings <sjenning@linux.vnet.ibm.com>
M: Seth Jennings <sjennings@variantweb.net>
L: linux-mm@kvack.org
S: Maintained
F: mm/zswap.c

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 15
SUBLEVEL = 0
EXTRAVERSION = -rc3
EXTRAVERSION = -rc5
NAME = Shuffling Zombie Juror
# *DOCUMENTATION*

8
arch/arc/kernel/entry.S
View File

@ -614,11 +614,13 @@ resume_user_mode_begin:
resume_kernel_mode:
#ifdef CONFIG_PREEMPT
; This is a must for preempt_schedule_irq()
; Disable Interrupts from this point on
; CONFIG_PREEMPT: This is a must for preempt_schedule_irq()
; !CONFIG_PREEMPT: To ensure restore_regs is intr safe
IRQ_DISABLE r9
#ifdef CONFIG_PREEMPT
; Can't preempt if preemption disabled
GET_CURR_THR_INFO_FROM_SP r10
ld r8, [r10, THREAD_INFO_PREEMPT_COUNT]

6
arch/arm/boot/dts/am33xx.dtsi
View File

@ -144,7 +144,7 @@
compatible = "ti,edma3";
ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
reg = <0x49000000 0x10000>,
<0x44e10f90 0x10>;
<0x44e10f90 0x40>;
interrupts = <12 13 14>;
#dma-cells = <1>;
dma-channels = <64>;
@ -802,7 +802,7 @@
<0x46000000 0x400000>;
reg-names = "mpu", "dat";
interrupts = <80>, <81>;
interrupts-names = "tx", "rx";
interrupt-names = "tx", "rx";
status = "disabled";
dmas = <&edma 8>,
<&edma 9>;
@ -816,7 +816,7 @@
<0x46400000 0x400000>;
reg-names = "mpu", "dat";
interrupts = <82>, <83>;
interrupts-names = "tx", "rx";
interrupt-names = "tx", "rx";
status = "disabled";
dmas = <&edma 10>,
<&edma 11>;

16
arch/arm/boot/dts/am3517.dtsi
View File

@ -62,5 +62,21 @@
};
};
&iva {
status = "disabled";
};
&mailbox {
status = "disabled";
};
&mmu_isp {
status = "disabled";
};
&smartreflex_mpu_iva {
status = "disabled";
};
/include/ "am35xx-clocks.dtsi"
/include/ "omap36xx-am35xx-omap3430es2plus-clocks.dtsi"

4
arch/arm/boot/dts/am4372.dtsi
View File

@ -691,7 +691,7 @@
<0x46000000 0x400000>;
reg-names = "mpu", "dat";
interrupts = <80>, <81>;
interrupts-names = "tx", "rx";
interrupt-names = "tx", "rx";
status = "disabled";
dmas = <&edma 8>,
<&edma 9>;
@ -705,7 +705,7 @@
<0x46400000 0x400000>;
reg-names = "mpu", "dat";
interrupts = <82>, <83>;
interrupts-names = "tx", "rx";
interrupt-names = "tx", "rx";
status = "disabled";
dmas = <&edma 10>,
<&edma 11>;

5
arch/arm/boot/dts/am437x-gp-evm.dts
View File

@ -117,6 +117,11 @@
status = "okay";
};
&gpio5 {
status = "okay";
ti,no-reset-on-init;
};
&mmc1 {
status = "okay";
vmmc-supply = <&vmmcsd_fixed>;

1
arch/arm/boot/dts/armada-370-db.dts
View File

@ -67,6 +67,7 @@
i2c@11000 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
clock-frequency = <100000>;
status = "okay";
audio_codec: audio-codec@4a {
compatible = "cirrus,cs42l51";

5
arch/arm/boot/dts/armada-375-db.dts
View File

@ -79,6 +79,11 @@
};
};
sata@a0000 {
status = "okay";
nr-ports = <2>;
};
nand: nand@d0000 {
pinctrl-0 = <&nand_pins>;
pinctrl-names = "default";

2
arch/arm/boot/dts/armada-xp-db.dts
View File

@ -49,7 +49,7 @@
/* Device Bus parameters are required */
/* Read parameters */
devbus,bus-width = <8>;
devbus,bus-width = <16>;
devbus,turn-off-ps = <60000>;
devbus,badr-skew-ps = <0>;
devbus,acc-first-ps = <124000>;

10
arch/arm/boot/dts/armada-xp-gp.dts
View File

@ -59,7 +59,7 @@
/* Device Bus parameters are required */
/* Read parameters */
devbus,bus-width = <8>;
devbus,bus-width = <16>;
devbus,turn-off-ps = <60000>;
devbus,badr-skew-ps = <0>;
devbus,acc-first-ps = <124000>;
@ -146,22 +146,22 @@
ethernet@70000 {
status = "okay";
phy = <&phy0>;
phy-mode = "rgmii-id";
phy-mode = "qsgmii";
};
ethernet@74000 {
status = "okay";
phy = <&phy1>;
phy-mode = "rgmii-id";
phy-mode = "qsgmii";
};
ethernet@30000 {
status = "okay";
phy = <&phy2>;
phy-mode = "rgmii-id";
phy-mode = "qsgmii";
};
ethernet@34000 {
status = "okay";
phy = <&phy3>;
phy-mode = "rgmii-id";
phy-mode = "qsgmii";
};
/* Front-side USB slot */

2
arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
View File

@ -39,7 +39,7 @@
/* Device Bus parameters are required */
/* Read parameters */
devbus,bus-width = <8>;
devbus,bus-width = <16>;
devbus,turn-off-ps = <60000>;
devbus,badr-skew-ps = <0>;
devbus,acc-first-ps = <124000>;

4
arch/arm/boot/dts/at91-sama5d3_xplained.dts
View File

@ -34,7 +34,7 @@
};
spi0: spi@f0004000 {
cs-gpios = <&pioD 13 0>;
cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
status = "okay";
};
@ -79,7 +79,7 @@
};
spi1: spi@f8008000 {
cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioD 16 0>;
cs-gpios = <&pioC 25 0>;
status = "okay";
};

2
arch/arm/boot/dts/at91sam9261.dtsi
View File

@ -10,7 +10,7 @@
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clk/at91.h>
#include <dt-bindings/clock/at91.h>
/ {
model = "Atmel AT91SAM9261 family SoC";

2
arch/arm/boot/dts/at91sam9rl.dtsi
View File

@ -8,7 +8,7 @@
#include "skeleton.dtsi"
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/clk/at91.h>
#include <dt-bindings/clock/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

2
arch/arm/boot/dts/imx53.dtsi
View File

@ -115,7 +115,7 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx53-ipu";
reg = <0x18000000 0x080000000>;
reg = <0x18000000 0x08000000>;
interrupts = <11 10>;
clocks = <&clks IMX5_CLK_IPU_GATE>,
<&clks IMX5_CLK_IPU_DI0_GATE>,

18
arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
View File

@ -30,6 +30,16 @@
bootargs = "console=ttyS0,115200n8 earlyprintk";
};
mbus {
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
ocp@f1000000 {
pinctrl@10000 {
pmx_usb_led: pmx-usb-led {
@ -73,14 +83,6 @@
ehci@50000 {
status = "okay";
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
gpio-leds {

18
arch/arm/boot/dts/kirkwood-nsa310-common.dtsi
View File

@ -4,6 +4,16 @@
/ {
model = "ZyXEL NSA310";
mbus {
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
ocp@f1000000 {
pinctrl: pinctrl@10000 {
@ -26,14 +36,6 @@
status = "okay";
nr-ports = <2>;
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
gpio_poweroff {

5
arch/arm/boot/dts/kirkwood-t5325.dts
View File

@ -127,11 +127,6 @@
i2c@11000 {
status = "okay";
alc5621: alc5621@1a {
compatible = "realtek,alc5621";
reg = <0x1a>;
};
};
serial@12000 {

19
arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
View File

@ -24,11 +24,10 @@
compatible = "smsc,lan9221", "smsc,lan9115";
bank-width = <2>;
gpmc,mux-add-data;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <186>;
gpmc,cs-wr-off-ns = <186>;
gpmc,adv-on-ns = <12>;
gpmc,adv-rd-off-ns = <48>;
gpmc,cs-on-ns = <1>;
gpmc,cs-rd-off-ns = <180>;
gpmc,cs-wr-off-ns = <180>;
gpmc,adv-rd-off-ns = <18>;
gpmc,adv-wr-off-ns = <48>;
gpmc,oe-on-ns = <54>;
gpmc,oe-off-ns = <168>;
@ -36,12 +35,10 @@
gpmc,we-off-ns = <168>;
gpmc,rd-cycle-ns = <186>;
gpmc,wr-cycle-ns = <186>;
gpmc,access-ns = <114>;
gpmc,page-burst-access-ns = <6>;
gpmc,bus-turnaround-ns = <12>;
gpmc,cycle2cycle-delay-ns = <18>;
gpmc,wr-data-mux-bus-ns = <90>;
gpmc,wr-access-ns = <186>;
gpmc,access-ns = <144>;
gpmc,page-burst-access-ns = <24>;
gpmc,bus-turnaround-ns = <90>;
gpmc,cycle2cycle-delay-ns = <90>;
gpmc,cycle2cycle-samecsen;
gpmc,cycle2cycle-diffcsen;
vddvario-supply = <&vddvario>;

7
arch/arm/boot/dts/omap2.dtsi
View File

@ -71,13 +71,6 @@
interrupts = <58>;
};
mailbox: mailbox@48094000 {
compatible = "ti,omap2-mailbox";
ti,hwmods = "mailbox";
reg = <0x48094000 0x200>;
interrupts = <26>;
};
intc: interrupt-controller@1 {
compatible = "ti,omap2-intc";
interrupt-controller;

8
arch/arm/boot/dts/omap2420.dtsi
View File

@ -125,6 +125,14 @@
dma-names = "tx", "rx";
};
mailbox: mailbox@48094000 {
compatible = "ti,omap2-mailbox";
reg = <0x48094000 0x200>;
interrupts = <26>, <34>;
interrupt-names = "dsp", "iva";
ti,hwmods = "mailbox";
};
timer1: timer@48028000 {
compatible = "ti,omap2420-timer";
reg = <0x48028000 0x400>;

7
arch/arm/boot/dts/omap2430.dtsi
View File

@ -216,6 +216,13 @@
dma-names = "tx", "rx";
};
mailbox: mailbox@48094000 {
compatible = "ti,omap2-mailbox";
reg = <0x48094000 0x200>;
interrupts = <26>;
ti,hwmods = "mailbox";
};
timer1: timer@49018000 {
compatible = "ti,omap2420-timer";
reg = <0x49018000 0x400>;

66
arch/arm/boot/dts/omap3-cm-t3x30.dtsi
View File

@ -10,18 +10,6 @@
cpu0-supply = <&vcc>;
};
};
vddvario: regulator-vddvario {
compatible = "regulator-fixed";
regulator-name = "vddvario";
regulator-always-on;
};
vdd33a: regulator-vdd33a {
compatible = "regulator-fixed";
regulator-name = "vdd33a";
regulator-always-on;
};
};
&omap3_pmx_core {
@ -35,58 +23,34 @@
hsusb0_pins: pinmux_hsusb0_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21a0, PIN_OUTPUT | MUX_MODE0) /* hsusb0_clk.hsusb0_clk */
OMAP3_CORE1_IOPAD(0x21a2, PIN_OUTPUT | MUX_MODE0) /* hsusb0_stp.hsusb0_stp */
OMAP3_CORE1_IOPAD(0x21a4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_dir.hsusb0_dir */
OMAP3_CORE1_IOPAD(0x21a6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_nxt.hsusb0_nxt */
OMAP3_CORE1_IOPAD(0x21a8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data0.hsusb2_data0 */
OMAP3_CORE1_IOPAD(0x21aa, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data1.hsusb0_data1 */
OMAP3_CORE1_IOPAD(0x21ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data2.hsusb0_data2 */
OMAP3_CORE1_IOPAD(0x21ae, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data3 */
OMAP3_CORE1_IOPAD(0x21b0, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data4 */
OMAP3_CORE1_IOPAD(0x21b2, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data5 */
OMAP3_CORE1_IOPAD(0x21b4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data6 */
OMAP3_CORE1_IOPAD(0x21b6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data7 */
OMAP3_CORE1_IOPAD(0x21a2, PIN_OUTPUT | MUX_MODE0) /* hsusb0_clk.hsusb0_clk */
OMAP3_CORE1_IOPAD(0x21a4, PIN_OUTPUT | MUX_MODE0) /* hsusb0_stp.hsusb0_stp */
OMAP3_CORE1_IOPAD(0x21a6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_dir.hsusb0_dir */
OMAP3_CORE1_IOPAD(0x21a8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_nxt.hsusb0_nxt */
OMAP3_CORE1_IOPAD(0x21aa, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data0.hsusb2_data0 */
OMAP3_CORE1_IOPAD(0x21ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data1.hsusb0_data1 */
OMAP3_CORE1_IOPAD(0x21ae, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data2.hsusb0_data2 */
OMAP3_CORE1_IOPAD(0x21b0, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data3 */
OMAP3_CORE1_IOPAD(0x21b2, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data4 */
OMAP3_CORE1_IOPAD(0x21b4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data5 */
OMAP3_CORE1_IOPAD(0x21b6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data6 */
OMAP3_CORE1_IOPAD(0x21b8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data7 */
>;
};
};
#include "omap-gpmc-smsc911x.dtsi"
&gpmc {
ranges = <5 0 0x2c000000 0x01000000>;
smsc1: ethernet@5,0 {
smsc1: ethernet@gpmc {
compatible = "smsc,lan9221", "smsc,lan9115";
pinctrl-names = "default";
pinctrl-0 = <&smsc1_pins>;
interrupt-parent = <&gpio6>;
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
reg = <5 0 0xff>;
bank-width = <2>;
gpmc,mux-add-data;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <186>;
gpmc,cs-wr-off-ns = <186>;
gpmc,adv-on-ns = <12>;
gpmc,adv-rd-off-ns = <48>;
gpmc,adv-wr-off-ns = <48>;
gpmc,oe-on-ns = <54>;
gpmc,oe-off-ns = <168>;
gpmc,we-on-ns = <54>;
gpmc,we-off-ns = <168>;
gpmc,rd-cycle-ns = <186>;
gpmc,wr-cycle-ns = <186>;
gpmc,access-ns = <114>;
gpmc,page-burst-access-ns = <6>;
gpmc,bus-turnaround-ns = <12>;
gpmc,cycle2cycle-delay-ns = <18>;
gpmc,wr-data-mux-bus-ns = <90>;
gpmc,wr-access-ns = <186>;
gpmc,cycle2cycle-samecsen;
gpmc,cycle2cycle-diffcsen;
vddvario-supply = <&vddvario>;
vdd33a-supply = <&vdd33a>;
reg-io-width = <4>;
smsc,save-mac-address;
};
};

2
arch/arm/boot/dts/omap3-igep.dtsi
View File

@ -107,7 +107,7 @@
>;
};
smsc911x_pins: pinmux_smsc911x_pins {
smsc9221_pins: pinmux_smsc9221_pins {
pinctrl-single,pins = <
0x1a2 (PIN_INPUT | MUX_MODE4) /* mcspi1_cs2.gpio_176 */
>;

4
arch/arm/boot/dts/omap3-igep0020.dts
View File

@ -10,7 +10,7 @@
*/
#include "omap3-igep.dtsi"
#include "omap-gpmc-smsc911x.dtsi"
#include "omap-gpmc-smsc9221.dtsi"
/ {
model = "IGEPv2 (TI OMAP AM/DM37x)";
@ -248,7 +248,7 @@
ethernet@gpmc {
pinctrl-names = "default";
pinctrl-0 = <&smsc911x_pins>;
pinctrl-0 = <&smsc9221_pins>;
reg = <5 0 0xff>;
interrupt-parent = <&gpio6>;
interrupts = <16 IRQ_TYPE_LEVEL_LOW>;

37
arch/arm/boot/dts/omap3-sb-t35.dtsi
View File

@ -2,20 +2,6 @@
* Common support for CompuLab SB-T35 used on SBC-T3530, SBC-T3517 and SBC-T3730
*/
/ {
vddvario_sb_t35: regulator-vddvario-sb-t35 {
compatible = "regulator-fixed";
regulator-name = "vddvario";
regulator-always-on;
};
vdd33a_sb_t35: regulator-vdd33a-sb-t35 {
compatible = "regulator-fixed";
regulator-name = "vdd33a";
regulator-always-on;
};
};
&omap3_pmx_core {
smsc2_pins: pinmux_smsc2_pins {
pinctrl-single,pins = <
@ -37,11 +23,10 @@
reg = <4 0 0xff>;
bank-width = <2>;
gpmc,mux-add-data;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <186>;
gpmc,cs-wr-off-ns = <186>;
gpmc,adv-on-ns = <12>;
gpmc,adv-rd-off-ns = <48>;
gpmc,cs-on-ns = <1>;
gpmc,cs-rd-off-ns = <180>;
gpmc,cs-wr-off-ns = <180>;
gpmc,adv-rd-off-ns = <18>;
gpmc,adv-wr-off-ns = <48>;
gpmc,oe-on-ns = <54>;
gpmc,oe-off-ns = <168>;
@ -49,16 +34,14 @@
gpmc,we-off-ns = <168>;
gpmc,rd-cycle-ns = <186>;
gpmc,wr-cycle-ns = <186>;
gpmc,access-ns = <114>;
gpmc,page-burst-access-ns = <6>;
gpmc,bus-turnaround-ns = <12>;
gpmc,cycle2cycle-delay-ns = <18>;
gpmc,wr-data-mux-bus-ns = <90>;
gpmc,wr-access-ns = <186>;
gpmc,access-ns = <144>;
gpmc,page-burst-access-ns = <24>;
gpmc,bus-turnaround-ns = <90>;
gpmc,cycle2cycle-delay-ns = <90>;
gpmc,cycle2cycle-samecsen;
gpmc,cycle2cycle-diffcsen;
vddvario-supply = <&vddvario_sb_t35>;
vdd33a-supply = <&vdd33a_sb_t35>;
vddvario-supply = <&vddvario>;
vdd33a-supply = <&vdd33a>;
reg-io-width = <4>;
smsc,save-mac-address;
};

13
arch/arm/boot/dts/omap3-sbc-t3517.dts
View File

@ -8,6 +8,19 @@
/ {
model = "CompuLab SBC-T3517 with CM-T3517";
compatible = "compulab,omap3-sbc-t3517", "compulab,omap3-cm-t3517", "ti,am3517", "ti,omap3";
/* Only one GPMC smsc9220 on SBC-T3517, CM-T3517 uses am35x Ethernet */
vddvario: regulator-vddvario-sb-t35 {
compatible = "regulator-fixed";
regulator-name = "vddvario";
regulator-always-on;
};
vdd33a: regulator-vdd33a-sb-t35 {
compatible = "regulator-fixed";
regulator-name = "vdd33a";
regulator-always-on;
};
};
&omap3_pmx_core {

2
arch/arm/boot/dts/omap3.dtsi
View File

@ -61,7 +61,7 @@
ti,hwmods = "mpu";
};
iva {
iva: iva {
compatible = "ti,iva2.2";
ti,hwmods = "iva";

7
arch/arm/boot/dts/omap5.dtsi
View File

@ -630,6 +630,13 @@
status = "disabled";
};
mailbox: mailbox@4a0f4000 {
compatible = "ti,omap4-mailbox";
reg = <0x4a0f4000 0x200>;
interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
ti,hwmods = "mailbox";
};
timer1: timer@4ae18000 {
compatible = "ti,omap5430-timer";
reg = <0x4ae18000 0x80>;

2
arch/arm/boot/dts/sama5d3.dtsi
View File

@ -13,7 +13,7 @@
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clk/at91.h>
#include <dt-bindings/clock/at91.h>
/ {
model = "Atmel SAMA5D3 family SoC";

2
arch/arm/boot/dts/sama5d3_mci2.dtsi
View File

@ -9,7 +9,7 @@
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clk/at91.h>
#include <dt-bindings/clock/at91.h>
/ {
ahb {

2
arch/arm/boot/dts/sama5d3_tcb1.dtsi
View File

@ -9,7 +9,7 @@
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clk/at91.h>
#include <dt-bindings/clock/at91.h>
/ {
aliases {

2
arch/arm/boot/dts/sama5d3_uart.dtsi
View File

@ -9,7 +9,7 @@
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clk/at91.h>
#include <dt-bindings/clock/at91.h>
/ {
aliases {

10
arch/arm/boot/dts/stih415-pinctrl.dtsi
View File

@ -49,7 +49,7 @@
reg = <0xfe61f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfe610000 0x5000>;
PIO0: gpio@fe610000 {
@ -187,7 +187,7 @@
reg = <0xfee0f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfee00000 0x8000>;
PIO5: gpio@fee00000 {
@ -282,7 +282,7 @@
reg = <0xfe82f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfe820000 0x8000>;
PIO13: gpio@fe820000 {
@ -423,7 +423,7 @@
reg = <0xfd6bf080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfd6b0000 0x3000>;
PIO100: gpio@fd6b0000 {
@ -460,7 +460,7 @@
reg = <0xfd33f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfd330000 0x5000>;
PIO103: gpio@fd330000 {

10
arch/arm/boot/dts/stih416-pinctrl.dtsi
View File

@ -53,7 +53,7 @@
reg = <0xfe61f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfe610000 0x6000>;
PIO0: gpio@fe610000 {
@ -201,7 +201,7 @@
reg = <0xfee0f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfee00000 0x10000>;
PIO5: gpio@fee00000 {
@ -333,7 +333,7 @@
reg = <0xfe82f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfe820000 0x6000>;
PIO13: gpio@fe820000 {
@ -461,7 +461,7 @@
reg = <0xfd6bf080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfd6b0000 0x3000>;
PIO100: gpio@fd6b0000 {
@ -498,7 +498,7 @@
reg = <0xfd33f080 0x4>;
reg-names = "irqmux";
interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
interrupts-names = "irqmux";
interrupt-names = "irqmux";
ranges = <0 0xfd330000 0x5000>;
PIO103: gpio@fd330000 {

14
arch/arm/boot/dts/sun7i-a20.dtsi
View File

@ -87,7 +87,7 @@
pll4: clk@01c20018 {
#clock-cells = <0>;
compatible = "allwinner,sun4i-a10-pll1-clk";
compatible = "allwinner,sun7i-a20-pll4-clk";
reg = <0x01c20018 0x4>;
clocks = <&osc24M>;
clock-output-names = "pll4";
@ -109,6 +109,14 @@
clock-output-names = "pll6_sata", "pll6_other", "pll6";
};
pll8: clk@01c20040 {
#clock-cells = <0>;
compatible = "allwinner,sun7i-a20-pll4-clk";
reg = <0x01c20040 0x4>;
clocks = <&osc24M>;
clock-output-names = "pll8";
};
cpu: cpu@01c20054 {
#clock-cells = <0>;
compatible = "allwinner,sun4i-a10-cpu-clk";
@ -805,9 +813,9 @@
status = "disabled";
};
i2c4: i2c@01c2bc00 {
i2c4: i2c@01c2c000 {
compatible = "allwinner,sun4i-i2c";
reg = <0x01c2bc00 0x400>;
reg = <0x01c2c000 0x400>;
interrupts = <0 89 4>;
clocks = <&apb1_gates 15>;
clock-frequency = <100000>;

48
arch/arm/common/edma.c
View File

@ -1423,55 +1423,38 @@ EXPORT_SYMBOL(edma_clear_event);
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DMADEVICES)
static int edma_of_read_u32_to_s16_array(const struct device_node *np,
const char *propname, s16 *out_values,
size_t sz)
static int edma_xbar_event_map(struct device *dev, struct device_node *node,
struct edma_soc_info *pdata, size_t sz)
{
int ret;
ret = of_property_read_u16_array(np, propname, out_values, sz);
if (ret)
return ret;
/* Terminate it */
*out_values++ = -1;
*out_values++ = -1;
return 0;
}
static int edma_xbar_event_map(struct device *dev,
struct device_node *node,
struct edma_soc_info *pdata, int len)
{
int ret, i;
const char pname[] = "ti,edma-xbar-event-map";
struct resource res;
void __iomem *xbar;
const s16 (*xbar_chans)[2];
s16 (*xbar_chans)[2];
size_t nelm = sz / sizeof(s16);
u32 shift, offset, mux;
int ret, i;
xbar_chans = devm_kzalloc(dev,
len/sizeof(s16) + 2*sizeof(s16),
GFP_KERNEL);
xbar_chans = devm_kzalloc(dev, (nelm + 2) * sizeof(s16), GFP_KERNEL);
if (!xbar_chans)
return -ENOMEM;
ret = of_address_to_resource(node, 1, &res);
if (ret)
return -EIO;
return -ENOMEM;
xbar = devm_ioremap(dev, res.start, resource_size(&res));
if (!xbar)
return -ENOMEM;
ret = edma_of_read_u32_to_s16_array(node,
"ti,edma-xbar-event-map",
(s16 *)xbar_chans,
len/sizeof(u32));
ret = of_property_read_u16_array(node, pname, (u16 *)xbar_chans, nelm);
if (ret)
return -EIO;
for (i = 0; xbar_chans[i][0] != -1; i++) {
/* Invalidate last entry for the other user of this mess */
nelm >>= 1;
xbar_chans[nelm][0] = xbar_chans[nelm][1] = -1;
for (i = 0; i < nelm; i++) {
shift = (xbar_chans[i][1] & 0x03) << 3;
offset = xbar_chans[i][1] & 0xfffffffc;
mux = readl(xbar + offset);
@ -1480,8 +1463,7 @@ static int edma_xbar_event_map(struct device *dev,
writel(mux, (xbar + offset));
}
pdata->xbar_chans = xbar_chans;
pdata->xbar_chans = (const s16 (*)[2]) xbar_chans;
return 0;
}

2
arch/arm/configs/sunxi_defconfig
View File

@ -37,7 +37,7 @@ CONFIG_SUN4I_EMAC=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
CONFIG_STMMAC_ETH=y
# CONFIG_NET_VENDOR_WIZNET is not set
# CONFIG_WLAN is not set
CONFIG_SERIAL_8250=y

1
arch/arm/include/asm/xen/page.h
View File

@ -77,7 +77,6 @@ static inline xpaddr_t machine_to_phys(xmaddr_t machine)
}
/* VIRT <-> MACHINE conversion */
#define virt_to_machine(v) (phys_to_machine(XPADDR(__pa(v))))
#define virt_to_pfn(v) (PFN_DOWN(__pa(v)))
#define virt_to_mfn(v) (pfn_to_mfn(virt_to_pfn(v)))
#define mfn_to_virt(m) (__va(mfn_to_pfn(m) << PAGE_SHIFT))

2
arch/arm/kvm/Kconfig
View File

@ -23,7 +23,7 @@ config KVM
select HAVE_KVM_CPU_RELAX_INTERCEPT
select KVM_MMIO
select KVM_ARM_HOST
depends on ARM_VIRT_EXT && ARM_LPAE
depends on ARM_VIRT_EXT && ARM_LPAE && !CPU_BIG_ENDIAN
---help---
Support hosting virtualized guest machines. You will also
need to select one or more of the processor modules below.

15
arch/arm/kvm/mmu.c
View File

@ -42,6 +42,8 @@ static unsigned long hyp_idmap_start;
static unsigned long hyp_idmap_end;
static phys_addr_t hyp_idmap_vector;
#define pgd_order get_order(PTRS_PER_PGD * sizeof(pgd_t))
#define kvm_pmd_huge(_x) (pmd_huge(_x) || pmd_trans_huge(_x))
static void kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
@ -293,14 +295,14 @@ void free_boot_hyp_pgd(void)
if (boot_hyp_pgd) {
unmap_range(NULL, boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE);
unmap_range(NULL, boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
kfree(boot_hyp_pgd);
free_pages((unsigned long)boot_hyp_pgd, pgd_order);
boot_hyp_pgd = NULL;
}
if (hyp_pgd)
unmap_range(NULL, hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
kfree(init_bounce_page);
free_page((unsigned long)init_bounce_page);
init_bounce_page = NULL;
mutex_unlock(&kvm_hyp_pgd_mutex);
@ -330,7 +332,7 @@ void free_hyp_pgds(void)
for (addr = VMALLOC_START; is_vmalloc_addr((void*)addr); addr += PGDIR_SIZE)
unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
kfree(hyp_pgd);
free_pages((unsigned long)hyp_pgd, pgd_order);
hyp_pgd = NULL;
}
@ -1024,7 +1026,7 @@ int kvm_mmu_init(void)
size_t len = __hyp_idmap_text_end - __hyp_idmap_text_start;
phys_addr_t phys_base;
init_bounce_page = kmalloc(PAGE_SIZE, GFP_KERNEL);
init_bounce_page = (void *)__get_free_page(GFP_KERNEL);
if (!init_bounce_page) {
kvm_err("Couldn't allocate HYP init bounce page\n");
err = -ENOMEM;
@ -1050,8 +1052,9 @@ int kvm_mmu_init(void)
(unsigned long)phys_base);
}
hyp_pgd = kzalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL);
boot_hyp_pgd = kzalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL);
hyp_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, pgd_order);
boot_hyp_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, pgd_order);
if (!hyp_pgd || !boot_hyp_pgd) {
kvm_err("Hyp mode PGD not allocated\n");
err = -ENOMEM;

8
arch/arm/mach-omap2/omap-headsmp.S
View File

@ -1,7 +1,7 @@
/*
* Secondary CPU startup routine source file.
*
* Copyright (C) 2009 Texas Instruments, Inc.
* Copyright (C) 2009-2014 Texas Instruments, Inc.
*
* Author:
* Santosh Shilimkar <santosh.shilimkar@ti.com>
@ -28,9 +28,13 @@
* code. This routine also provides a holding flag into which
* secondary core is held until we're ready for it to initialise.
* The primary core will update this flag using a hardware
+ * register AuxCoreBoot0.
* register AuxCoreBoot0.
*/
ENTRY(omap5_secondary_startup)
.arm
THUMB( adr r9, BSYM(wait) ) @ CPU may be entered in ARM mode.
THUMB( bx r9 ) @ If this is a Thumb-2 kernel,
THUMB( .thumb ) @ switch to Thumb now.
wait: ldr r2, =AUX_CORE_BOOT0_PA @ read from AuxCoreBoot0
ldr r0, [r2]
mov r0, r0, lsr #5

2
arch/arm/mach-orion5x/common.h
View File

@ -21,7 +21,7 @@ struct mv_sata_platform_data;
#define ORION_MBUS_DEVBUS_BOOT_ATTR 0x0f
#define ORION_MBUS_DEVBUS_TARGET(cs) 0x01
#define ORION_MBUS_DEVBUS_ATTR(cs) (~(1 << cs))
#define ORION_MBUS_SRAM_TARGET 0x00
#define ORION_MBUS_SRAM_TARGET 0x09
#define ORION_MBUS_SRAM_ATTR 0x00
/*

3
arch/arm64/boot/dts/apm-storm.dtsi
View File

@ -307,6 +307,7 @@
<0x0 0x1f21e000 0x0 0x1000>,
<0x0 0x1f217000 0x0 0x1000>;
interrupts = <0x0 0x86 0x4>;
dma-coherent;
status = "disabled";
clocks = <&sata01clk 0>;
phys = <&phy1 0>;
@ -321,6 +322,7 @@
<0x0 0x1f22e000 0x0 0x1000>,
<0x0 0x1f227000 0x0 0x1000>;
interrupts = <0x0 0x87 0x4>;
dma-coherent;
status = "ok";
clocks = <&sata23clk 0>;
phys = <&phy2 0>;
@ -334,6 +336,7 @@
<0x0 0x1f23d000 0x0 0x1000>,
<0x0 0x1f23e000 0x0 0x1000>;
interrupts = <0x0 0x88 0x4>;
dma-coherent;
status = "ok";
clocks = <&sata45clk 0>;
phys = <&phy3 0>;

1
arch/arm64/include/asm/memory.h
View File

@ -138,6 +138,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x))
/*
* virt_to_page(k) convert a _valid_ virtual address to struct page *

6
arch/arm64/kernel/early_printk.c
View File

@ -143,10 +143,8 @@ static int __init setup_early_printk(char *buf)
}
/* no options parsing yet */
if (paddr) {
set_fixmap_io(FIX_EARLYCON_MEM_BASE, paddr);
early_base = (void __iomem *)fix_to_virt(FIX_EARLYCON_MEM_BASE);
}
if (paddr)
early_base = (void __iomem *)set_fixmap_offset_io(FIX_EARLYCON_MEM_BASE, paddr);
printch = match->printch;
early_console = &early_console_dev;

2
arch/arm64/kernel/setup.c
View File

@ -396,7 +396,7 @@ static int __init arm64_device_init(void)
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
return 0;
}
arch_initcall(arm64_device_init);
arch_initcall_sync(arm64_device_init);
static DEFINE_PER_CPU(struct cpu, cpu_data);

35
arch/arm64/mm/dma-mapping.c
View File

@ -22,8 +22,11 @@
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/dma-contiguous.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/vmalloc.h>
#include <linux/swiotlb.h>
#include <linux/amba/bus.h>
#include <asm/cacheflush.h>
@ -305,17 +308,45 @@ struct dma_map_ops coherent_swiotlb_dma_ops = {
};
EXPORT_SYMBOL(coherent_swiotlb_dma_ops);
static int dma_bus_notifier(struct notifier_block *nb,
unsigned long event, void *_dev)
{
struct device *dev = _dev;
if (event != BUS_NOTIFY_ADD_DEVICE)
return NOTIFY_DONE;
if (of_property_read_bool(dev->of_node, "dma-coherent"))
set_dma_ops(dev, &coherent_swiotlb_dma_ops);
return NOTIFY_OK;
}
static struct notifier_block platform_bus_nb = {
.notifier_call = dma_bus_notifier,
};
static struct notifier_block amba_bus_nb = {
.notifier_call = dma_bus_notifier,
};
extern int swiotlb_late_init_with_default_size(size_t default_size);
static int __init swiotlb_late_init(void)
{
size_t swiotlb_size = min(SZ_64M, MAX_ORDER_NR_PAGES << PAGE_SHIFT);
dma_ops = &coherent_swiotlb_dma_ops;
/*
* These must be registered before of_platform_populate().
*/
bus_register_notifier(&platform_bus_type, &platform_bus_nb);
bus_register_notifier(&amba_bustype, &amba_bus_nb);
dma_ops = &noncoherent_swiotlb_dma_ops;
return swiotlb_late_init_with_default_size(swiotlb_size);
}
subsys_initcall(swiotlb_late_init);
arch_initcall(swiotlb_late_init);
#define PREALLOC_DMA_DEBUG_ENTRIES 4096

3
arch/arm64/mm/mmu.c
View File

@ -374,6 +374,9 @@ int kern_addr_valid(unsigned long addr)
if (pmd_none(*pmd))
return 0;
if (pmd_sect(*pmd))
return pfn_valid(pmd_pfn(*pmd));
pte = pte_offset_kernel(pmd, addr);
if (pte_none(*pte))
return 0;

37
arch/hexagon/include/asm/barrier.h
View File

@ -1,37 +0,0 @@
/*
* Memory barrier definitions for the Hexagon architecture
*
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef _ASM_BARRIER_H
#define _ASM_BARRIER_H
#define rmb() barrier()
#define read_barrier_depends() barrier()
#define wmb() barrier()
#define mb() barrier()
#define smp_rmb() barrier()
#define smp_read_barrier_depends() barrier()
#define smp_wmb() barrier()
#define smp_mb() barrier()
/* Set a value and use a memory barrier. Used by the scheduler somewhere. */
#define set_mb(var, value) \
do { var = value; mb(); } while (0)
#endif /* _ASM_BARRIER_H */

3
arch/parisc/include/uapi/asm/Kbuild
View File

@ -1,6 +1,8 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
generic-y += resource.h
header-y += bitsperlong.h
header-y += byteorder.h
header-y += errno.h
@ -13,7 +15,6 @@ header-y += msgbuf.h
header-y += pdc.h
header-y += posix_types.h
header-y += ptrace.h
header-y += resource.h
header-y += sembuf.h
header-y += setup.h
header-y += shmbuf.h

7
arch/parisc/include/uapi/asm/resource.h
View File

@ -1,7 +0,0 @@
#ifndef _ASM_PARISC_RESOURCE_H
#define _ASM_PARISC_RESOURCE_H
#define _STK_LIM_MAX 10 * _STK_LIM
#include <asm-generic/resource.h>
#endif

8
arch/powerpc/boot/main.c
View File

@ -139,18 +139,18 @@ static struct addr_range prep_initrd(struct addr_range vmlinux, void *chosen,
* edit the command line passed to vmlinux (by setting /chosen/bootargs).
* The buffer is put in it's own section so that tools may locate it easier.
*/
static char cmdline[COMMAND_LINE_SIZE]
static char cmdline[BOOT_COMMAND_LINE_SIZE]
__attribute__((__section__("__builtin_cmdline")));
static void prep_cmdline(void *chosen)
{
if (cmdline[0] == '\0')
getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
printf("\n\rLinux/PowerPC load: %s", cmdline);
/* If possible, edit the command line */
if (console_ops.edit_cmdline)
console_ops.edit_cmdline(cmdline, COMMAND_LINE_SIZE);
console_ops.edit_cmdline(cmdline, BOOT_COMMAND_LINE_SIZE);
printf("\n\r");
/* Put the command line back into the devtree for the kernel */
@ -174,7 +174,7 @@ void start(void)
* built-in command line wasn't set by an external tool */
if ((loader_info.cmdline_len > 0) && (cmdline[0] == '\0'))
memmove(cmdline, loader_info.cmdline,
min(loader_info.cmdline_len, COMMAND_LINE_SIZE-1));
min(loader_info.cmdline_len, BOOT_COMMAND_LINE_SIZE-1));
if (console_ops.open && (console_ops.open() < 0))
exit();

2
arch/powerpc/boot/ops.h
View File

@ -15,7 +15,7 @@
#include "types.h"
#include "string.h"
#define COMMAND_LINE_SIZE 512
#define BOOT_COMMAND_LINE_SIZE 2048
#define MAX_PATH_LEN 256
#define MAX_PROP_LEN 256 /* What should this be? */

4
arch/powerpc/boot/ps3.c
View File

@ -47,13 +47,13 @@ BSS_STACK(4096);
* The buffer is put in it's own section so that tools may locate it easier.
*/
static char cmdline[COMMAND_LINE_SIZE]
static char cmdline[BOOT_COMMAND_LINE_SIZE]
__attribute__((__section__("__builtin_cmdline")));
static void prep_cmdline(void *chosen)
{
if (cmdline[0] == '\0')
getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
else
setprop_str(chosen, "bootargs", cmdline);

42
arch/powerpc/include/asm/opal.h
View File

@ -41,14 +41,14 @@ struct opal_takeover_args {
* size except the last one in the list to be as well.
*/
struct opal_sg_entry {
void *data;
long length;
__be64 data;
__be64 length;
};
/* sg list */
/* SG list */
struct opal_sg_list {
unsigned long num_entries;
struct opal_sg_list *next;
__be64 length;
__be64 next;
struct opal_sg_entry entry[];
};
@ -858,8 +858,8 @@ int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, __be32 *data, uint32_t sz);
int64_t opal_read_elog(uint64_t buffer, size_t size, uint64_t log_id);
int64_t opal_get_elog_size(uint64_t *log_id, size_t *size, uint64_t *elog_type);
int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id);
int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type);
int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset);
int64_t opal_send_ack_elog(uint64_t log_id);
void opal_resend_pending_logs(void);
@ -868,23 +868,24 @@ int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
int64_t opal_manage_flash(uint8_t op);
int64_t opal_update_flash(uint64_t blk_list);
int64_t opal_dump_init(uint8_t dump_type);
int64_t opal_dump_info(uint32_t *dump_id, uint32_t *dump_size);
int64_t opal_dump_info2(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type);
int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size);
int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type);
int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer);
int64_t opal_dump_ack(uint32_t dump_id);
int64_t opal_dump_resend_notification(void);
int64_t opal_get_msg(uint64_t buffer, size_t size);
int64_t opal_check_completion(uint64_t buffer, size_t size, uint64_t token);
int64_t opal_get_msg(uint64_t buffer, uint64_t size);
int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token);
int64_t opal_sync_host_reboot(void);
int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
uint64_t length);
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
uint64_t length);
int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);
extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
int depth, void *data);
extern int early_init_dt_scan_recoverable_ranges(unsigned long node,
const char *uname, int depth, void *data);
@ -893,10 +894,6 @@ extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
extern void hvc_opal_init_early(void);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
int depth, void *data);
extern int opal_notifier_register(struct notifier_block *nb);
extern int opal_notifier_unregister(struct notifier_block *nb);
@ -906,9 +903,6 @@ extern void opal_notifier_enable(void);
extern void opal_notifier_disable(void);
extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val);
extern int opal_get_chars(uint32_t vtermno, char *buf, int count);
extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
extern int __opal_async_get_token(void);
extern int opal_async_get_token_interruptible(void);
extern int __opal_async_release_token(int token);
@ -916,8 +910,6 @@ extern int opal_async_release_token(int token);
extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
extern void hvc_opal_init_early(void);
struct rtc_time;
extern int opal_set_rtc_time(struct rtc_time *tm);
extern void opal_get_rtc_time(struct rtc_time *tm);
@ -937,6 +929,10 @@ extern int opal_resync_timebase(void);
extern void opal_lpc_init(void);
struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
unsigned long vmalloc_size);
void opal_free_sg_list(struct opal_sg_list *sg);
#endif /* __ASSEMBLY__ */
#endif /* __OPAL_H */

7
arch/powerpc/include/uapi/asm/setup.h
View File

@ -1 +1,6 @@
#include <asm-generic/setup.h>
#ifndef _UAPI_ASM_POWERPC_SETUP_H
#define _UAPI_ASM_POWERPC_SETUP_H
#define COMMAND_LINE_SIZE 2048
#endif /* _UAPI_ASM_POWERPC_SETUP_H */

1
arch/powerpc/kernel/ppc_ksyms.c
View File

@ -120,6 +120,7 @@ EXPORT_SYMBOL(giveup_spe);
EXPORT_SYMBOL(flush_instruction_cache);
#endif
EXPORT_SYMBOL(flush_dcache_range);
EXPORT_SYMBOL(flush_icache_range);
#ifdef CONFIG_SMP
#ifdef CONFIG_PPC32

2
arch/powerpc/kernel/rtas_flash.c
View File

@ -705,7 +705,7 @@ static int __init rtas_flash_init(void)
if (rtas_token("ibm,update-flash-64-and-reboot") ==
RTAS_UNKNOWN_SERVICE) {
pr_info("rtas_flash: no firmware flash support\n");
return 1;
return -EINVAL;
}
rtas_validate_flash_data.buf = kzalloc(VALIDATE_BUF_SIZE, GFP_KERNEL);

18
arch/powerpc/kvm/book3s_hv_rmhandlers.S
View File

@ -242,6 +242,12 @@ kvm_novcpu_exit:
*/
.globl kvm_start_guest
kvm_start_guest:
/* Set runlatch bit the minute you wake up from nap */
mfspr r1, SPRN_CTRLF
ori r1, r1, 1
mtspr SPRN_CTRLT, r1
ld r2,PACATOC(r13)
li r0,KVM_HWTHREAD_IN_KVM
@ -309,6 +315,11 @@ kvm_no_guest:
li r0, KVM_HWTHREAD_IN_NAP
stb r0, HSTATE_HWTHREAD_STATE(r13)
kvm_do_nap:
/* Clear the runlatch bit before napping */
mfspr r2, SPRN_CTRLF
clrrdi r2, r2, 1
mtspr SPRN_CTRLT, r2
li r3, LPCR_PECE0
mfspr r4, SPRN_LPCR
rlwimi r4, r3, 0, LPCR_PECE0 | LPCR_PECE1
@ -1999,8 +2010,13 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_206)
/*
* Take a nap until a decrementer or external or doobell interrupt
* occurs, with PECE1, PECE0 and PECEDP set in LPCR
* occurs, with PECE1, PECE0 and PECEDP set in LPCR. Also clear the
* runlatch bit before napping.
*/
mfspr r2, SPRN_CTRLF
clrrdi r2, r2, 1
mtspr SPRN_CTRLT, r2
li r0,1
stb r0,HSTATE_HWTHREAD_REQ(r13)
mfspr r5,SPRN_LPCR

38
arch/powerpc/mm/hash_native_64.c
View File

@ -82,17 +82,14 @@ static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize)
va &= ~((1ul << mmu_psize_defs[apsize].shift) - 1);
va |= penc << 12;
va |= ssize << 8;
/* Add AVAL part */
if (psize != apsize) {
/*
* MPSS, 64K base page size and 16MB parge page size
* We don't need all the bits, but rest of the bits
* must be ignored by the processor.
* vpn cover upto 65 bits of va. (0...65) and we need
* 58..64 bits of va.
*/
va |= (vpn & 0xfe);
}
/*
* AVAL bits:
* We don't need all the bits, but rest of the bits
* must be ignored by the processor.
* vpn cover upto 65 bits of va. (0...65) and we need
* 58..64 bits of va.
*/
va |= (vpn & 0xfe); /* AVAL */
va |= 1; /* L */
asm volatile(ASM_FTR_IFCLR("tlbie %0,1", PPC_TLBIE(%1,%0), %2)
: : "r" (va), "r"(0), "i" (CPU_FTR_ARCH_206)
@ -133,17 +130,14 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize)
va &= ~((1ul << mmu_psize_defs[apsize].shift) - 1);
va |= penc << 12;
va |= ssize << 8;
/* Add AVAL part */
if (psize != apsize) {
/*
* MPSS, 64K base page size and 16MB parge page size
* We don't need all the bits, but rest of the bits
* must be ignored by the processor.
* vpn cover upto 65 bits of va. (0...65) and we need
* 58..64 bits of va.
*/
va |= (vpn & 0xfe);
}
/*
* AVAL bits:
* We don't need all the bits, but rest of the bits
* must be ignored by the processor.
* vpn cover upto 65 bits of va. (0...65) and we need
* 58..64 bits of va.
*/
va |= (vpn & 0xfe);
va |= 1; /* L */
asm volatile(".long 0x7c000224 | (%0 << 11) | (1 << 21)"
: : "r"(va) : "memory");

37
arch/powerpc/perf/hv-24x7.c
View File

@ -155,14 +155,26 @@ static ssize_t read_offset_data(void *dest, size_t dest_len,
return copy_len;
}
static unsigned long h_get_24x7_catalog_page(char page[static 4096],
u32 version, u32 index)
static unsigned long h_get_24x7_catalog_page_(unsigned long phys_4096,
unsigned long version,
unsigned long index)
{
WARN_ON(!IS_ALIGNED((unsigned long)page, 4096));
return plpar_hcall_norets(H_GET_24X7_CATALOG_PAGE,
virt_to_phys(page),
pr_devel("h_get_24x7_catalog_page(0x%lx, %lu, %lu)",
phys_4096,
version,
index);
WARN_ON(!IS_ALIGNED(phys_4096, 4096));
return plpar_hcall_norets(H_GET_24X7_CATALOG_PAGE,
phys_4096,
version,
index);
}
static unsigned long h_get_24x7_catalog_page(char page[],
u64 version, u32 index)
{
return h_get_24x7_catalog_page_(virt_to_phys(page),
version, index);
}
static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
@ -173,7 +185,7 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
ssize_t ret = 0;
size_t catalog_len = 0, catalog_page_len = 0, page_count = 0;
loff_t page_offset = 0;
uint32_t catalog_version_num = 0;
uint64_t catalog_version_num = 0;
void *page = kmem_cache_alloc(hv_page_cache, GFP_USER);
struct hv_24x7_catalog_page_0 *page_0 = page;
if (!page)
@ -185,7 +197,7 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
goto e_free;
}
catalog_version_num = be32_to_cpu(page_0->version);
catalog_version_num = be64_to_cpu(page_0->version);
catalog_page_len = be32_to_cpu(page_0->length);
catalog_len = catalog_page_len * 4096;
@ -208,8 +220,9 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
page, 4096, page_offset * 4096);
e_free:
if (hret)
pr_err("h_get_24x7_catalog_page(ver=%d, page=%lld) failed: rc=%ld\n",
catalog_version_num, page_offset, hret);
pr_err("h_get_24x7_catalog_page(ver=%lld, page=%lld) failed:"
" rc=%ld\n",
catalog_version_num, page_offset, hret);
kfree(page);
pr_devel("catalog_read: offset=%lld(%lld) count=%zu(%zu) catalog_len=%zu(%zu) => %zd\n",
@ -243,7 +256,7 @@ e_free: \
static DEVICE_ATTR_RO(_name)
PAGE_0_ATTR(catalog_version, "%lld\n",
(unsigned long long)be32_to_cpu(page_0->version));
(unsigned long long)be64_to_cpu(page_0->version));
PAGE_0_ATTR(catalog_len, "%lld\n",
(unsigned long long)be32_to_cpu(page_0->length) * 4096);
static BIN_ATTR_RO(catalog, 0/* real length varies */);
@ -485,13 +498,13 @@ static int hv_24x7_init(void)
struct hv_perf_caps caps;
if (!firmware_has_feature(FW_FEATURE_LPAR)) {
pr_info("not a virtualized system, not enabling\n");
pr_debug("not a virtualized system, not enabling\n");
return -ENODEV;
}
hret = hv_perf_caps_get(&caps);
if (hret) {
pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
pr_debug("could not obtain capabilities, not enabling, rc=%ld\n",
hret);
return -ENODEV;
}

6
arch/powerpc/perf/hv-gpci.c
View File

@ -78,7 +78,7 @@ static ssize_t kernel_version_show(struct device *dev,
return sprintf(page, "0x%x\n", COUNTER_INFO_VERSION_CURRENT);
}
DEVICE_ATTR_RO(kernel_version);
static DEVICE_ATTR_RO(kernel_version);
HV_CAPS_ATTR(version, "0x%x\n");
HV_CAPS_ATTR(ga, "%d\n");
HV_CAPS_ATTR(expanded, "%d\n");
@ -273,13 +273,13 @@ static int hv_gpci_init(void)
struct hv_perf_caps caps;
if (!firmware_has_feature(FW_FEATURE_LPAR)) {
pr_info("not a virtualized system, not enabling\n");
pr_debug("not a virtualized system, not enabling\n");
return -ENODEV;
}
hret = hv_perf_caps_get(&caps);
if (hret) {
pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
pr_debug("could not obtain capabilities, not enabling, rc=%ld\n",
hret);
return -ENODEV;
}

94
arch/powerpc/platforms/powernv/opal-dump.c
View File

@ -209,89 +209,20 @@ static struct kobj_type dump_ktype = {
.default_attrs = dump_default_attrs,
};
static void free_dump_sg_list(struct opal_sg_list *list)
{
struct opal_sg_list *sg1;
while (list) {
sg1 = list->next;
kfree(list);
list = sg1;
}
list = NULL;
}
static struct opal_sg_list *dump_data_to_sglist(struct dump_obj *dump)
{
struct opal_sg_list *sg1, *list = NULL;
void *addr;
int64_t size;
addr = dump->buffer;
size = dump->size;
sg1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!sg1)
goto nomem;
list = sg1;
sg1->num_entries = 0;
while (size > 0) {
/* Translate virtual address to physical address */
sg1->entry[sg1->num_entries].data =
(void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
if (size > PAGE_SIZE)
sg1->entry[sg1->num_entries].length = PAGE_SIZE;
else
sg1->entry[sg1->num_entries].length = size;
sg1->num_entries++;
if (sg1->num_entries >= SG_ENTRIES_PER_NODE) {
sg1->next = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!sg1->next)
goto nomem;
sg1 = sg1->next;
sg1->num_entries = 0;
}
addr += PAGE_SIZE;
size -= PAGE_SIZE;
}
return list;
nomem:
pr_err("%s : Failed to allocate memory\n", __func__);
free_dump_sg_list(list);
return NULL;
}
static void sglist_to_phy_addr(struct opal_sg_list *list)
{
struct opal_sg_list *sg, *next;
for (sg = list; sg; sg = next) {
next = sg->next;
/* Don't translate NULL pointer for last entry */
if (sg->next)
sg->next = (struct opal_sg_list *)__pa(sg->next);
else
sg->next = NULL;
/* Convert num_entries to length */
sg->num_entries =
sg->num_entries * sizeof(struct opal_sg_entry) + 16;
}
}
static int64_t dump_read_info(uint32_t *id, uint32_t *size, uint32_t *type)
static int64_t dump_read_info(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type)
{
__be32 id, size, type;
int rc;
*type = 0xffffffff;
rc = opal_dump_info2(id, size, type);
type = cpu_to_be32(0xffffffff);
rc = opal_dump_info2(&id, &size, &type);
if (rc == OPAL_PARAMETER)
rc = opal_dump_info(id, size);
rc = opal_dump_info(&id, &size);
*dump_id = be32_to_cpu(id);
*dump_size = be32_to_cpu(size);
*dump_type = be32_to_cpu(type);
if (rc)
pr_warn("%s: Failed to get dump info (%d)\n",
@ -314,15 +245,12 @@ static int64_t dump_read_data(struct dump_obj *dump)
}
/* Generate SG list */
list = dump_data_to_sglist(dump);
list = opal_vmalloc_to_sg_list(dump->buffer, dump->size);
if (!list) {
rc = -ENOMEM;
goto out;
}
/* Translate sg list addr to real address */
sglist_to_phy_addr(list);
/* First entry address */
addr = __pa(list);
@ -341,7 +269,7 @@ static int64_t dump_read_data(struct dump_obj *dump)
__func__, dump->id);
/* Free SG list */
free_dump_sg_list(list);
opal_free_sg_list(list);
out:
return rc;

11
arch/powerpc/platforms/powernv/opal-elog.c
View File

@ -238,18 +238,25 @@ static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type)
static void elog_work_fn(struct work_struct *work)
{
size_t elog_size;
__be64 size;
__be64 id;
__be64 type;
uint64_t elog_size;
uint64_t log_id;
uint64_t elog_type;
int rc;
char name[2+16+1];
rc = opal_get_elog_size(&log_id, &elog_size, &elog_type);
rc = opal_get_elog_size(&id, &size, &type);
if (rc != OPAL_SUCCESS) {
pr_err("ELOG: Opal log read failed\n");
return;
}
elog_size = be64_to_cpu(size);
log_id = be64_to_cpu(id);
elog_type = be64_to_cpu(type);
BUG_ON(elog_size > OPAL_MAX_ERRLOG_SIZE);
if (elog_size >= OPAL_MAX_ERRLOG_SIZE)

118
arch/powerpc/platforms/powernv/opal-flash.c
View File

@ -79,9 +79,6 @@
/* XXX: Assume candidate image size is <= 1GB */
#define MAX_IMAGE_SIZE 0x40000000
/* Flash sg list version */
#define SG_LIST_VERSION (1UL)
/* Image status */
enum {
IMAGE_INVALID,
@ -131,11 +128,15 @@ static DEFINE_MUTEX(image_data_mutex);
*/
static inline void opal_flash_validate(void)
{
struct validate_flash_t *args_buf = &validate_flash_data;
long ret;
void *buf = validate_flash_data.buf;
__be32 size, result;
args_buf->status = opal_validate_flash(__pa(args_buf->buf),
&(args_buf->buf_size),
&(args_buf->result));
ret = opal_validate_flash(__pa(buf), &size, &result);
validate_flash_data.status = ret;
validate_flash_data.buf_size = be32_to_cpu(size);
validate_flash_data.result = be32_to_cpu(result);
}
/*
@ -267,94 +268,12 @@ static ssize_t manage_store(struct kobject *kobj,
return count;
}
/*
* Free sg list
*/
static void free_sg_list(struct opal_sg_list *list)
{
struct opal_sg_list *sg1;
while (list) {
sg1 = list->next;
kfree(list);
list = sg1;
}
list = NULL;
}
/*
* Build candidate image scatter gather list
*
* list format:
* -----------------------------------
* | VER (8) | Entry length in bytes |
* -----------------------------------
* | Pointer to next entry |
* -----------------------------------
* | Address of memory area 1 |
* -----------------------------------
* | Length of memory area 1 |
* -----------------------------------
* | ......... |
* -----------------------------------
* | ......... |
* -----------------------------------
* | Address of memory area N |
* -----------------------------------
* | Length of memory area N |
* -----------------------------------
*/
static struct opal_sg_list *image_data_to_sglist(void)
{
struct opal_sg_list *sg1, *list = NULL;
void *addr;
int size;
addr = image_data.data;
size = image_data.size;
sg1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!sg1)
return NULL;
list = sg1;
sg1->num_entries = 0;
while (size > 0) {
/* Translate virtual address to physical address */
sg1->entry[sg1->num_entries].data =
(void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
if (size > PAGE_SIZE)
sg1->entry[sg1->num_entries].length = PAGE_SIZE;
else
sg1->entry[sg1->num_entries].length = size;
sg1->num_entries++;
if (sg1->num_entries >= SG_ENTRIES_PER_NODE) {
sg1->next = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!sg1->next) {
pr_err("%s : Failed to allocate memory\n",
__func__);
goto nomem;
}
sg1 = sg1->next;
sg1->num_entries = 0;
}
addr += PAGE_SIZE;
size -= PAGE_SIZE;
}
return list;
nomem:
free_sg_list(list);
return NULL;
}
/*
* OPAL update flash
*/
static int opal_flash_update(int op)
{
struct opal_sg_list *sg, *list, *next;
struct opal_sg_list *list;
unsigned long addr;
int64_t rc = OPAL_PARAMETER;
@ -364,30 +283,13 @@ static int opal_flash_update(int op)
goto flash;
}
list = image_data_to_sglist();
list = opal_vmalloc_to_sg_list(image_data.data, image_data.size);
if (!list)
goto invalid_img;
/* First entry address */
addr = __pa(list);
/* Translate sg list address to absolute */
for (sg = list; sg; sg = next) {
next = sg->next;
/* Don't translate NULL pointer for last entry */
if (sg->next)
sg->next = (struct opal_sg_list *)__pa(sg->next);
else
sg->next = NULL;
/*
* Convert num_entries to version/length format
* to satisfy OPAL.
*/
sg->num_entries = (SG_LIST_VERSION << 56) |
(sg->num_entries * sizeof(struct opal_sg_entry) + 16);
}
pr_alert("FLASH: Image is %u bytes\n", image_data.size);
pr_alert("FLASH: Image update requested\n");
pr_alert("FLASH: Image will be updated during system reboot\n");

32
arch/powerpc/platforms/powernv/opal-sysparam.c
View File

@ -39,10 +39,11 @@ struct param_attr {
struct kobj_attribute kobj_attr;
};
static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer)
{
struct opal_msg msg;
int ret, token;
ssize_t ret;
int token;
token = opal_async_get_token_interruptible();
if (token < 0) {
@ -59,7 +60,7 @@ static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
ret = opal_async_wait_response(token, &msg);
if (ret) {
pr_err("%s: Failed to wait for the async response, %d\n",
pr_err("%s: Failed to wait for the async response, %zd\n",
__func__, ret);
goto out_token;
}
@ -111,7 +112,7 @@ static ssize_t sys_param_show(struct kobject *kobj,
{
struct param_attr *attr = container_of(kobj_attr, struct param_attr,
kobj_attr);
int ret;
ssize_t ret;
mutex_lock(&opal_sysparam_mutex);
ret = opal_get_sys_param(attr->param_id, attr->param_size,
@ -121,9 +122,10 @@ static ssize_t sys_param_show(struct kobject *kobj,
memcpy(buf, param_data_buf, attr->param_size);
ret = attr->param_size;
out:
mutex_unlock(&opal_sysparam_mutex);
return ret ? ret : attr->param_size;
return ret;
}
static ssize_t sys_param_store(struct kobject *kobj,
@ -131,14 +133,20 @@ static ssize_t sys_param_store(struct kobject *kobj,
{
struct param_attr *attr = container_of(kobj_attr, struct param_attr,
kobj_attr);
int ret;
ssize_t ret;
/* MAX_PARAM_DATA_LEN is sizeof(param_data_buf) */
if (count > MAX_PARAM_DATA_LEN)
count = MAX_PARAM_DATA_LEN;
mutex_lock(&opal_sysparam_mutex);
memcpy(param_data_buf, buf, count);
ret = opal_set_sys_param(attr->param_id, attr->param_size,
param_data_buf);
mutex_unlock(&opal_sysparam_mutex);
return ret ? ret : count;
if (!ret)
ret = count;
return ret;
}
void __init opal_sys_param_init(void)
@ -214,13 +222,13 @@ void __init opal_sys_param_init(void)
}
if (of_property_read_u32_array(sysparam, "param-len", size, count)) {
pr_err("SYSPARAM: Missing propery param-len in the DT\n");
pr_err("SYSPARAM: Missing property param-len in the DT\n");
goto out_free_perm;
}
if (of_property_read_u8_array(sysparam, "param-perm", perm, count)) {
pr_err("SYSPARAM: Missing propery param-perm in the DT\n");
pr_err("SYSPARAM: Missing property param-perm in the DT\n");
goto out_free_perm;
}
@ -233,6 +241,12 @@ void __init opal_sys_param_init(void)
/* For each of the parameters, populate the parameter attributes */
for (i = 0; i < count; i++) {
if (size[i] > MAX_PARAM_DATA_LEN) {
pr_warn("SYSPARAM: Not creating parameter %d as size "
"exceeds buffer length\n", i);
continue;
}
sysfs_attr_init(&attr[i].kobj_attr.attr);
attr[i].param_id = id[i];
attr[i].param_size = size[i];

69
arch/powerpc/platforms/powernv/opal.c
View File

@ -242,14 +242,14 @@ void opal_notifier_update_evt(uint64_t evt_mask,
void opal_notifier_enable(void)
{
int64_t rc;
uint64_t evt = 0;
__be64 evt = 0;
atomic_set(&opal_notifier_hold, 0);
/* Process pending events */
rc = opal_poll_events(&evt);
if (rc == OPAL_SUCCESS && evt)
opal_do_notifier(evt);
opal_do_notifier(be64_to_cpu(evt));
}
void opal_notifier_disable(void)
@ -529,7 +529,7 @@ static irqreturn_t opal_interrupt(int irq, void *data)
opal_handle_interrupt(virq_to_hw(irq), &events);
opal_do_notifier(events);
opal_do_notifier(be64_to_cpu(events));
return IRQ_HANDLED;
}
@ -638,3 +638,66 @@ void opal_shutdown(void)
/* Export this so that test modules can use it */
EXPORT_SYMBOL_GPL(opal_invalid_call);
/* Convert a region of vmalloc memory to an opal sg list */
struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
unsigned long vmalloc_size)
{
struct opal_sg_list *sg, *first = NULL;
unsigned long i = 0;
sg = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!sg)
goto nomem;
first = sg;
while (vmalloc_size > 0) {
uint64_t data = vmalloc_to_pfn(vmalloc_addr) << PAGE_SHIFT;
uint64_t length = min(vmalloc_size, PAGE_SIZE);
sg->entry[i].data = cpu_to_be64(data);
sg->entry[i].length = cpu_to_be64(length);
i++;
if (i >= SG_ENTRIES_PER_NODE) {
struct opal_sg_list *next;
next = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!next)
goto nomem;
sg->length = cpu_to_be64(
i * sizeof(struct opal_sg_entry) + 16);
i = 0;
sg->next = cpu_to_be64(__pa(next));
sg = next;
}
vmalloc_addr += length;
vmalloc_size -= length;
}
sg->length = cpu_to_be64(i * sizeof(struct opal_sg_entry) + 16);
return first;
nomem:
pr_err("%s : Failed to allocate memory\n", __func__);
opal_free_sg_list(first);
return NULL;
}
void opal_free_sg_list(struct opal_sg_list *sg)
{
while (sg) {
uint64_t next = be64_to_cpu(sg->next);
kfree(sg);
if (next)
sg = __va(next);
else
sg = NULL;
}
}

3
arch/powerpc/platforms/powernv/pci-ioda.c
View File

@ -343,7 +343,6 @@ static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe)
pci_name(dev));
continue;
}
pci_dev_get(dev);
pdn->pcidev = dev;
pdn->pe_number = pe->pe_number;
pe->dma_weight += pnv_ioda_dma_weight(dev);
@ -462,7 +461,7 @@ static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev
pe = &phb->ioda.pe_array[pdn->pe_number];
WARN_ON(get_dma_ops(&pdev->dev) != &dma_iommu_ops);
set_iommu_table_base_and_group(&pdev->dev, &pe->tce32_table);
set_iommu_table_base(&pdev->dev, &pe->tce32_table);
}
static int pnv_pci_ioda_dma_set_mask(struct pnv_phb *phb,

48
arch/powerpc/platforms/powernv/setup.c
View File

@ -162,18 +162,62 @@ static void pnv_shutdown(void)
}
#ifdef CONFIG_KEXEC
static void pnv_kexec_wait_secondaries_down(void)
{
int my_cpu, i, notified = -1;
my_cpu = get_cpu();
for_each_online_cpu(i) {
uint8_t status;
int64_t rc;
if (i == my_cpu)
continue;
for (;;) {
rc = opal_query_cpu_status(get_hard_smp_processor_id(i),
&status);
if (rc != OPAL_SUCCESS || status != OPAL_THREAD_STARTED)
break;
barrier();
if (i != notified) {
printk(KERN_INFO "kexec: waiting for cpu %d "
"(physical %d) to enter OPAL\n",
i, paca[i].hw_cpu_id);
notified = i;
}
}
}
}
static void pnv_kexec_cpu_down(int crash_shutdown, int secondary)
{
xics_kexec_teardown_cpu(secondary);
/* Return secondary CPUs to firmware on OPAL v3 */
if (firmware_has_feature(FW_FEATURE_OPALv3) && secondary) {
/* On OPAL v3, we return all CPUs to firmware */
if (!firmware_has_feature(FW_FEATURE_OPALv3))
return;
if (secondary) {
/* Return secondary CPUs to firmware on OPAL v3 */
mb();
get_paca()->kexec_state = KEXEC_STATE_REAL_MODE;
mb();
/* Return the CPU to OPAL */
opal_return_cpu();
} else if (crash_shutdown) {
/*
* On crash, we don't wait for secondaries to go
* down as they might be unreachable or hung, so
* instead we just wait a bit and move on.
*/
mdelay(1);
} else {
/* Primary waits for the secondaries to have reached OPAL */
pnv_kexec_wait_secondaries_down();
}
}
#endif /* CONFIG_KEXEC */

3
arch/powerpc/platforms/powernv/smp.c
View File

@ -30,6 +30,7 @@
#include <asm/cputhreads.h>
#include <asm/xics.h>
#include <asm/opal.h>
#include <asm/runlatch.h>
#include "powernv.h"
@ -156,7 +157,9 @@ static void pnv_smp_cpu_kill_self(void)
*/
mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1);
while (!generic_check_cpu_restart(cpu)) {
ppc64_runlatch_off();
power7_nap();
ppc64_runlatch_on();
if (!generic_check_cpu_restart(cpu)) {
DBG("CPU%d Unexpected exit while offline !\n", cpu);
/* We may be getting an IPI, so we re-enable

5
arch/powerpc/platforms/pseries/hotplug-cpu.c
View File

@ -88,13 +88,14 @@ void set_default_offline_state(int cpu)
static void rtas_stop_self(void)
{
struct rtas_args args = {
.token = cpu_to_be32(rtas_stop_self_token),
static struct rtas_args args = {
.nargs = 0,
.nret = 1,
.rets = &args.args[0],
};
args.token = cpu_to_be32(rtas_stop_self_token);
local_irq_disable();
BUG_ON(rtas_stop_self_token == RTAS_UNKNOWN_SERVICE);

10
arch/powerpc/platforms/pseries/hotplug-memory.c
View File

@ -100,10 +100,10 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
start_pfn = base >> PAGE_SHIFT;
if (!pfn_valid(start_pfn)) {
memblock_remove(base, memblock_size);
return 0;
}
lock_device_hotplug();
if (!pfn_valid(start_pfn))
goto out;
block_sz = memory_block_size_bytes();
sections_per_block = block_sz / MIN_MEMORY_BLOCK_SIZE;
@ -114,8 +114,10 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
base += MIN_MEMORY_BLOCK_SIZE;
}
out:
/* Update memory regions for memory remove */
memblock_remove(base, memblock_size);
unlock_device_hotplug();
return 0;
}

2
arch/powerpc/sysdev/ppc4xx_pci.c
View File

@ -1058,7 +1058,7 @@ static int __init apm821xx_pciex_core_init(struct device_node *np)
return 1;
}
static int apm821xx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
static int __init apm821xx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
{
u32 val;

1
arch/s390/net/bpf_jit_comp.c
View File

@ -276,7 +276,6 @@ static void bpf_jit_noleaks(struct bpf_jit *jit, struct sock_filter *filter)
case BPF_S_LD_W_IND:
case BPF_S_LD_H_IND:
case BPF_S_LD_B_IND:
case BPF_S_LDX_B_MSH:
case BPF_S_LD_IMM:
case BPF_S_LD_MEM:
case BPF_S_MISC_TXA:

83
arch/sparc/include/asm/pgtable_64.h
View File

@ -71,6 +71,23 @@
#include <linux/sched.h>
extern unsigned long sparc64_valid_addr_bitmap[];
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
static inline bool __kern_addr_valid(unsigned long paddr)
{
if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL)
return false;
return test_bit(paddr >> ILOG2_4MB, sparc64_valid_addr_bitmap);
}
static inline bool kern_addr_valid(unsigned long addr)
{
unsigned long paddr = __pa(addr);
return __kern_addr_valid(paddr);
}
/* Entries per page directory level. */
#define PTRS_PER_PTE (1UL << (PAGE_SHIFT-3))
#define PTRS_PER_PMD (1UL << PMD_BITS)
@ -79,9 +96,12 @@
/* Kernel has a separate 44bit address space. */
#define FIRST_USER_ADDRESS 0
#define pte_ERROR(e) __builtin_trap()
#define pmd_ERROR(e) __builtin_trap()
#define pgd_ERROR(e) __builtin_trap()
#define pmd_ERROR(e) \
pr_err("%s:%d: bad pmd %p(%016lx) seen at (%pS)\n", \
__FILE__, __LINE__, &(e), pmd_val(e), __builtin_return_address(0))
#define pgd_ERROR(e) \
pr_err("%s:%d: bad pgd %p(%016lx) seen at (%pS)\n", \
__FILE__, __LINE__, &(e), pgd_val(e), __builtin_return_address(0))
#endif /* !(__ASSEMBLY__) */
@ -258,8 +278,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
{
unsigned long mask, tmp;
/* SUN4U: 0x600307ffffffecb8 (negated == 0x9ffcf80000001347)
* SUN4V: 0x30ffffffffffee17 (negated == 0xcf000000000011e8)
/* SUN4U: 0x630107ffffffec38 (negated == 0x9cfef800000013c7)
* SUN4V: 0x33ffffffffffee07 (negated == 0xcc000000000011f8)
*
* Even if we use negation tricks the result is still a 6
* instruction sequence, so don't try to play fancy and just
@ -289,10 +309,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
" .previous\n"
: "=r" (mask), "=r" (tmp)
: "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U |
_PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U |
_PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U |
_PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4U),
"i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V |
_PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V |
_PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V |
_PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4V));
return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask));
@ -633,7 +653,7 @@ static inline unsigned long pmd_large(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));
return (pte_val(pte) & _PAGE_PMD_HUGE) && pte_present(pte);
return pte_val(pte) & _PAGE_PMD_HUGE;
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
@ -719,20 +739,6 @@ static inline pmd_t pmd_mkwrite(pmd_t pmd)
return __pmd(pte_val(pte));
}
static inline pmd_t pmd_mknotpresent(pmd_t pmd)
{
unsigned long mask;
if (tlb_type == hypervisor)
mask = _PAGE_PRESENT_4V;
else
mask = _PAGE_PRESENT_4U;
pmd_val(pmd) &= ~mask;
return pmd;
}
static inline pmd_t pmd_mksplitting(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));
@ -757,6 +763,20 @@ static inline int pmd_present(pmd_t pmd)
#define pmd_none(pmd) (!pmd_val(pmd))
/* pmd_bad() is only called on non-trans-huge PMDs. Our encoding is
* very simple, it's just the physical address. PTE tables are of
* size PAGE_SIZE so make sure the sub-PAGE_SIZE bits are clear and
* the top bits outside of the range of any physical address size we
* support are clear as well. We also validate the physical itself.
*/
#define pmd_bad(pmd) ((pmd_val(pmd) & ~PAGE_MASK) || \
!__kern_addr_valid(pmd_val(pmd)))
#define pud_none(pud) (!pud_val(pud))
#define pud_bad(pud) ((pud_val(pud) & ~PAGE_MASK) || \
!__kern_addr_valid(pud_val(pud)))
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
extern void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd);
@ -790,10 +810,7 @@ static inline unsigned long __pmd_page(pmd_t pmd)
#define pud_page_vaddr(pud) \
((unsigned long) __va(pud_val(pud)))
#define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud))
#define pmd_bad(pmd) (0)
#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL)
#define pud_none(pud) (!pud_val(pud))
#define pud_bad(pud) (0)
#define pud_present(pud) (pud_val(pud) != 0U)
#define pud_clear(pudp) (pud_val(*(pudp)) = 0UL)
@ -893,6 +910,10 @@ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
pmd_t *pmd);
#define __HAVE_ARCH_PMDP_INVALIDATE
extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
pmd_t *pmdp);
#define __HAVE_ARCH_PGTABLE_DEPOSIT
extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
pgtable_t pgtable);
@ -919,18 +940,6 @@ extern unsigned long pte_file(pte_t);
extern pte_t pgoff_to_pte(unsigned long);
#define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL)
extern unsigned long sparc64_valid_addr_bitmap[];
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
static inline bool kern_addr_valid(unsigned long addr)
{
unsigned long paddr = __pa(addr);
if ((paddr >> 41UL) != 0UL)
return false;
return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);
}
extern int page_in_phys_avail(unsigned long paddr);
/*

3
arch/sparc/include/asm/tsb.h
View File

@ -171,7 +171,8 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end;
andcc REG1, REG2, %g0; \
be,pt %xcc, 700f; \
sethi %hi(4 * 1024 * 1024), REG2; \
andn REG1, REG2, REG1; \
brgez,pn REG1, FAIL_LABEL; \
andn REG1, REG2, REG1; \
and VADDR, REG2, REG2; \
brlz,pt REG1, PTE_LABEL; \
or REG1, REG2, REG1; \

4
arch/sparc/kernel/head_64.S
View File

@ -282,8 +282,8 @@ sun4v_chip_type:
stx %l2, [%l4 + 0x0]
ldx [%sp + 2047 + 128 + 0x50], %l3 ! physaddr low
/* 4MB align */
srlx %l3, 22, %l3
sllx %l3, 22, %l3
srlx %l3, ILOG2_4MB, %l3
sllx %l3, ILOG2_4MB, %l3
stx %l3, [%l4 + 0x8]
/* Leave service as-is, "call-method" */

2
arch/sparc/kernel/ktlb.S
View File

@ -277,7 +277,7 @@ kvmap_dtlb_load:
#ifdef CONFIG_SPARSEMEM_VMEMMAP
kvmap_vmemmap:
sub %g4, %g5, %g5
srlx %g5, 22, %g5
srlx %g5, ILOG2_4MB, %g5
sethi %hi(vmemmap_table), %g1
sllx %g5, 3, %g5
or %g1, %lo(vmemmap_table), %g1

21
arch/sparc/kernel/nmi.c
View File

@ -68,27 +68,16 @@ EXPORT_SYMBOL(touch_nmi_watchdog);
static void die_nmi(const char *str, struct pt_regs *regs, int do_panic)
{
int this_cpu = smp_processor_id();
if (notify_die(DIE_NMIWATCHDOG, str, regs, 0,
pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
return;
console_verbose();
bust_spinlocks(1);
printk(KERN_EMERG "%s", str);
printk(" on CPU%d, ip %08lx, registers:\n",
smp_processor_id(), regs->tpc);
show_regs(regs);
dump_stack();
bust_spinlocks(0);
if (do_panic || panic_on_oops)
panic("Non maskable interrupt");
nmi_exit();
local_irq_enable();
do_exit(SIGBUS);
panic("Watchdog detected hard LOCKUP on cpu %d", this_cpu);
else
WARN(1, "Watchdog detected hard LOCKUP on cpu %d", this_cpu);
}
notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)

6
arch/sparc/kernel/smp_64.c
View File

@ -149,7 +149,7 @@ void cpu_panic(void)
#define NUM_ROUNDS 64 /* magic value */
#define NUM_ITERS 5 /* likewise */
static DEFINE_SPINLOCK(itc_sync_lock);
static DEFINE_RAW_SPINLOCK(itc_sync_lock);
static unsigned long go[SLAVE + 1];
#define DEBUG_TICK_SYNC 0
@ -257,7 +257,7 @@ static void smp_synchronize_one_tick(int cpu)
go[MASTER] = 0;
membar_safe("#StoreLoad");
spin_lock_irqsave(&itc_sync_lock, flags);
raw_spin_lock_irqsave(&itc_sync_lock, flags);
{
for (i = 0; i < NUM_ROUNDS*NUM_ITERS; i++) {
while (!go[MASTER])
@ -268,7 +268,7 @@ static void smp_synchronize_one_tick(int cpu)
membar_safe("#StoreLoad");
}
}
spin_unlock_irqrestore(&itc_sync_lock, flags);
raw_spin_unlock_irqrestore(&itc_sync_lock, flags);
}
#if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU)

2
arch/sparc/kernel/sys32.S
View File

@ -44,7 +44,7 @@ SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
SIGN1(sys32_select, compat_sys_select, %o0)
SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
SIGN1(sys32_futex, compat_sys_futex, %o1)
SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)

12
arch/sparc/kernel/unaligned_64.c
View File

@ -166,17 +166,23 @@ static unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs)
unsigned long compute_effective_address(struct pt_regs *regs,
unsigned int insn, unsigned int rd)
{
int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
unsigned int rs1 = (insn >> 14) & 0x1f;
unsigned int rs2 = insn & 0x1f;
int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
unsigned long addr;
if (insn & 0x2000) {
maybe_flush_windows(rs1, 0, rd, from_kernel);
return (fetch_reg(rs1, regs) + sign_extend_imm13(insn));
addr = (fetch_reg(rs1, regs) + sign_extend_imm13(insn));
} else {
maybe_flush_windows(rs1, rs2, rd, from_kernel);
return (fetch_reg(rs1, regs) + fetch_reg(rs2, regs));
addr = (fetch_reg(rs1, regs) + fetch_reg(rs2, regs));
}
if (!from_kernel && test_thread_flag(TIF_32BIT))
addr &= 0xffffffff;
return addr;
}
/* This is just to make gcc think die_if_kernel does return... */

84
arch/sparc/mm/fault_64.c
View File

@ -96,38 +96,51 @@ static unsigned int get_user_insn(unsigned long tpc)
pte_t *ptep, pte;
unsigned long pa;
u32 insn = 0;
unsigned long pstate;
if (pgd_none(*pgdp))
goto outret;
if (pgd_none(*pgdp) || unlikely(pgd_bad(*pgdp)))
goto out;
pudp = pud_offset(pgdp, tpc);
if (pud_none(*pudp))
goto outret;
pmdp = pmd_offset(pudp, tpc);
if (pmd_none(*pmdp))
goto outret;
/* This disables preemption for us as well. */
__asm__ __volatile__("rdpr %%pstate, %0" : "=r" (pstate));
__asm__ __volatile__("wrpr %0, %1, %%pstate"
: : "r" (pstate), "i" (PSTATE_IE));
ptep = pte_offset_map(pmdp, tpc);
pte = *ptep;
if (!pte_present(pte))
if (pud_none(*pudp) || unlikely(pud_bad(*pudp)))
goto out;
pa = (pte_pfn(pte) << PAGE_SHIFT);
pa += (tpc & ~PAGE_MASK);
/* This disables preemption for us as well. */
local_irq_disable();
/* Use phys bypass so we don't pollute dtlb/dcache. */
__asm__ __volatile__("lduwa [%1] %2, %0"
: "=r" (insn)
: "r" (pa), "i" (ASI_PHYS_USE_EC));
pmdp = pmd_offset(pudp, tpc);
if (pmd_none(*pmdp) || unlikely(pmd_bad(*pmdp)))
goto out_irq_enable;
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
if (pmd_trans_huge(*pmdp)) {
if (pmd_trans_splitting(*pmdp))
goto out_irq_enable;
pa = pmd_pfn(*pmdp) << PAGE_SHIFT;
pa += tpc & ~HPAGE_MASK;
/* Use phys bypass so we don't pollute dtlb/dcache. */
__asm__ __volatile__("lduwa [%1] %2, %0"
: "=r" (insn)
: "r" (pa), "i" (ASI_PHYS_USE_EC));
} else
#endif
{
ptep = pte_offset_map(pmdp, tpc);
pte = *ptep;
if (pte_present(pte)) {
pa = (pte_pfn(pte) << PAGE_SHIFT);
pa += (tpc & ~PAGE_MASK);
/* Use phys bypass so we don't pollute dtlb/dcache. */
__asm__ __volatile__("lduwa [%1] %2, %0"
: "=r" (insn)
: "r" (pa), "i" (ASI_PHYS_USE_EC));
}
pte_unmap(ptep);
}
out_irq_enable:
local_irq_enable();
out:
pte_unmap(ptep);
__asm__ __volatile__("wrpr %0, 0x0, %%pstate" : : "r" (pstate));
outret:
return insn;
}
@ -153,7 +166,8 @@ show_signal_msg(struct pt_regs *regs, int sig, int code,
}
static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
unsigned int insn, int fault_code)
unsigned long fault_addr, unsigned int insn,
int fault_code)
{
unsigned long addr;
siginfo_t info;
@ -161,10 +175,18 @@ static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
info.si_code = code;
info.si_signo = sig;
info.si_errno = 0;
if (fault_code & FAULT_CODE_ITLB)
if (fault_code & FAULT_CODE_ITLB) {
addr = regs->tpc;
else
addr = compute_effective_address(regs, insn, 0);
} else {
/* If we were able to probe the faulting instruction, use it
* to compute a precise fault address. Otherwise use the fault
* time provided address which may only have page granularity.
*/
if (insn)
addr = compute_effective_address(regs, insn, 0);
else
addr = fault_addr;
}
info.si_addr = (void __user *) addr;
info.si_trapno = 0;
@ -239,7 +261,7 @@ static void __kprobes do_kernel_fault(struct pt_regs *regs, int si_code,
/* The si_code was set to make clear whether
* this was a SEGV_MAPERR or SEGV_ACCERR fault.
*/
do_fault_siginfo(si_code, SIGSEGV, regs, insn, fault_code);
do_fault_siginfo(si_code, SIGSEGV, regs, address, insn, fault_code);
return;
}
@ -525,7 +547,7 @@ do_sigbus:
* Send a sigbus, regardless of whether we were in kernel
* or user mode.
*/
do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, insn, fault_code);
do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, address, insn, fault_code);
/* Kernel mode? Handle exceptions or die */
if (regs->tstate & TSTATE_PRIV)

2
arch/sparc/mm/gup.c
View File

@ -73,7 +73,7 @@ static int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
struct page *head, *page, *tail;
int refs;
if (!pmd_large(pmd))
if (!(pmd_val(pmd) & _PAGE_VALID))
return 0;
if (write && !pmd_write(pmd))

12
arch/sparc/mm/init_64.c
View File

@ -588,7 +588,7 @@ static void __init remap_kernel(void)
int i, tlb_ent = sparc64_highest_locked_tlbent();
tte_vaddr = (unsigned long) KERNBASE;
phys_page = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
phys_page = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB;
tte_data = kern_large_tte(phys_page);
kern_locked_tte_data = tte_data;
@ -1881,7 +1881,7 @@ void __init paging_init(void)
BUILD_BUG_ON(NR_CPUS > 4096);
kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
kern_base = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB;
kern_size = (unsigned long)&_end - (unsigned long)KERNBASE;
/* Invalidate both kernel TSBs. */
@ -1937,7 +1937,7 @@ void __init paging_init(void)
shift = kern_base + PAGE_OFFSET - ((unsigned long)KERNBASE);
real_end = (unsigned long)_end;
num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << 22);
num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << ILOG2_4MB);
printk("Kernel: Using %d locked TLB entries for main kernel image.\n",
num_kernel_image_mappings);
@ -2094,7 +2094,7 @@ static void __init setup_valid_addr_bitmap_from_pavail(unsigned long *bitmap)
if (new_start <= old_start &&
new_end >= (old_start + PAGE_SIZE)) {
set_bit(old_start >> 22, bitmap);
set_bit(old_start >> ILOG2_4MB, bitmap);
goto do_next_page;
}
}
@ -2143,7 +2143,7 @@ void __init mem_init(void)
addr = PAGE_OFFSET + kern_base;
last = PAGE_ALIGN(kern_size) + addr;
while (addr < last) {
set_bit(__pa(addr) >> 22, sparc64_valid_addr_bitmap);
set_bit(__pa(addr) >> ILOG2_4MB, sparc64_valid_addr_bitmap);
addr += PAGE_SIZE;
}
@ -2267,7 +2267,7 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,
void *block;
if (!(*vmem_pp & _PAGE_VALID)) {
block = vmemmap_alloc_block(1UL << 22, node);
block = vmemmap_alloc_block(1UL << ILOG2_4MB, node);
if (!block)
return -ENOMEM;

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