The "oprofile" user-space tools don't use the kernel OPROFILE support
any more, and haven't in a long time. User-space has been converted to
the perf interfaces.
This commits stops building oprofile for powerpc and removes any
reference to it from directories in arch/powerpc/ apart from
arch/powerpc/oprofile, which will be removed in the next commit (this is
broken into two commits as the size of the commit became very big, ~5k
lines).
Note that the member "oprofile_cpu_type" in "struct cpu_spec" isn't
removed as it was also used by other parts of the code.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: William Cohen <wcohen@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
This gives us OF_PMEM which is useful in mambo.
This adds 153K to the text of ppc64le_defconfig which 0.8% of the
total text.
LIBNVDIMM text data bss dec hex
Without 18574833 5518150 1539240 25632223 1871ddf
With 18727834 5546206 1539368 25813408 189e1a0
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200519043009.3081885-1-mikey@neuling.org
This adds the CPU or thread number to printk messages. This helps a
lot when deciphering concurrent oopses that have been interleaved.
Example output, of PID1 (T1) triggering a warning:
[ 1.581678][ T1] WARNING: CPU: 0 PID: 1 at crypto/rsa-pkcs1pad.c:539 pkcs1pad_verify+0x38/0x140
[ 1.581681][ T1] Modules linked in:
[ 1.581693][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.5.0-rc5-gcc-8.2.0-00121-gf84c2e595927-dirty #1515
[ 1.581700][ T1] NIP: c000000000207d64 LR: c000000000207d3c CTR: c000000000207d2c
[ 1.581708][ T1] REGS: c0000000fd2e7560 TRAP: 0700 Not tainted (5.5.0-rc5-gcc-8.2.0-00121-gf84c2e595927-dirty)
[ 1.581712][ T1] MSR: 9000000000029033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 44000222 XER: 00040000
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200520121257.961112-1-mpe@ellerman.id.au
This kernel configuration is basically enabling/disabling sr driver quirks
detection. While these quirks are for fairly rare devices (very old CD
burners, and a glucometer), the additional detection of these models is a
very minimal amount of code.
The logic behind the quirks is always built into the sr driver.
This also removes the config from all the defconfig files that are enabling
this already.
Link: https://lore.kernel.org/r/20200223191144.726-1-flameeyes@flameeyes.com
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The QLGE driver moved to staging in commit 955315b0dc ("qlge: Move
drivers/net/ethernet/qlogic/qlge/ to drivers/staging/qlge/"), meaning
our defconfigs that enable it have no effect as we don't enable
CONFIG_STAGING.
It sounds like the device is obsolete, so drop the driver.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20200121043000.16212-1-mpe@ellerman.id.au
Enables running as a secure guest in platforms with an Ultravisor.
Signed-off-by: Ryan Grimm <grimm@linux.vnet.ibm.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190820021326.6884-17-bauerman@linux.ibm.com
Enable CONFIG_IPV6 in ppc64_defconfig to enable
certain network functionalities required for tests.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
latencytop adds almost 4kB to each and every task struct and as such
it doesn't deserve to be in our defconfigs.
Signed-off-by: Anton Blanchard <anton@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Remove the CONFIG_UEVENT_HELPER_PATH because:
1. It is disabled since commit 1be01d4a57 ("driver: base: Disable
CONFIG_UEVENT_HELPER by default") as its dependency (UEVENT_HELPER) was
made default to 'n',
2. It is not recommended (help message: "This should not be used today
[...] creates a high system load") and was kept only for ancient
userland,
3. Certain userland specifically requests it to be disabled (systemd
README: "Legacy hotplug slows down the system and confuses udev").
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This reverts the remains of commit b9ef7d6b11 ("powerpc: Update
default configurations").
That commit was proceeded by a commit which added a config option to
control use of BOOTX for early debug, ie. PPC_EARLY_DEBUG_BOOTX, and
then the update of the defconfigs was intended to not change behaviour
by then enabling the new config option.
However enabling PPC_EARLY_DEBUG had other consequences, notably
causing us to register the udbg console at the end of udbg_early_init().
This means on a system which doesn't have anything that BOOTX can
use (most systems), we register the udbg console very early but the
bootx code just throws everything away, meaning early boot messages
are never printed to the console.
What we want to happen is for the udbg console to only be registered
later (from setup_arch()) once we've setup udbg_putc, and then all
early boot messages will be replayed.
Fixes: b9ef7d6b11 ("powerpc: Update default configurations")
Reported-by: Torsten Duwe <duwe@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This patch adds missing config symbols for ppc64_defconfig
to enable cgroups, memhotplug, numa balancing and XFS
in core kernel image.
Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
CONFIG_NR_CPUS is not set in ppc64_defconfig, So it gets default of 32
which is quite small for modern powerpc systems. Instead set a default
of 2048 like other powerpc defconfigs.
Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Update ppc64_defconfig with savedefconfig. No symbols are added or
removed, this is 100% movement.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit 539df7fcb3 ("powerpc/configs: Enable function trace by
default") we added:
CONFIG_FTRACE=y
CONFIG_FUNCTION_TRACER=y
CONFIG_FUNCTION_GRAPH_TRACER=y
To ppc64_defconfig, powernv_defconfig and pseries_defconfig.
But only CONFIG_FUNCTION_TRACER=y is required, CONFIG_FTRACE is
default y if DEBUG_KERNEL is enabled, which we have. And then
CONFIG_FUNCTION_GRAPH_TRACER is default y when CONFIG_FUNCTION_TRACER
is enabled.
The extra symbols were already removed from powernv_defconfig in
commit 9a018fb1e1 ("powerpc/config: powernv_defconfig updates").
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
for 64bit configs which use for CONFIG_LOG_BUF_SHIFT the same
or higher value than the default (currently 17).
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Deciding wich govenors should be built into the kernel can be left to
users to configure.
Fixes: 81f359027a ("cpufreq: powernv: Select CPUFreq related Kconfig options for powernv")
Signed-off-by: Joel Stanley <joel@jms.id.au>
[mpe: Update powernv/ppc64 defconfigs to enable them by default]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
CONFIG_IRQ_DOMAIN_DEBUG is similar to CONFIG_GENERIC_IRQ_DEBUGFS,
just with less information.
Spring cleanup time.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yang Shunyong <shunyong.yang@hxt-semitech.com>
Link: https://lkml.kernel.org/r/20180117142647.23622-1-marc.zyngier@arm.com
Commit eb3b705aae ("ALSA: Make CONFIG_SND_OSSEMUL user-selectable")
means we need to set CONFIG_SND_OSSEMUL in our configs, otherwise we
lose some of the SND symbols.
And commit 0181307abc ("ALSA: seq: Reorganize kconfig and build")
reorganised things, which causes the churn.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Enable 64K page size and THP. I use ppc64le_defconfig when I need
a single config across guest and host, but having 4K page size
as default is not what I expect. I could move these over to
server.config and merge if ppc64_defconfig is meant for systems
that use 4k pages by default.
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Most (all?) distros turn these on, so it makes sense to enable them
for testing coverage, and they're also useful for developers.
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
[mpe: Reword change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit e3c4ff6d8c ("EDAC: Remove EDAC_MM_EDAC") CONFIG_EDAC grew
a dependency on CONFIG_RAS. Some of our defconfigs don't have the
latter, which means we lose CONFIG_EDAC, so add CONFIG_RAS to fix
that.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit bf4981a006 ("powerpc: Remove the celleb support") we
dropped the celleb support, which made these symbols unselectable
because we no longer select HAS_TX99_SERIAL. So drop them from the
defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
xxxx
In commit 577ec789a7 ("powerpc/cell: Drop select of MEMORY_HOTPLUG")
we removed the last traces of any dependency between
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit 40e275653e ("powerpc/powernv: Always enable SMP when
building powernv") and 270e2dc9b8 ("powerpc/pseries: Always enable
SMP when building pseries") we forced CONFIG_SMP on for some configs.
Therefore we don't need to set it in those configs anymore.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit 6b0b755142 ("perf/core: Rename CONFIG_[UK]PROBE_EVENT to
CONFIG_[UK]PROBE_EVENTS") it was renamed to CONFIG_UPROBE_EVENTS.
Additionally it's default y, and we have the prerequisites enabled, so
we don't need it in our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Since commit ccf5c442a1 ("crypto: vmx - Convert to CPU feature based
module autoloading") we no longer need to set
CONFIG_CRYPTO_DEV_VMX_ENCRYPT in our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Since commit f76be61755 ("Make CONFIG_FHANDLE default y") we no
longer need to set CONFIG_FHANDLE in our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit 73d8ef7600 ("Input: mousedev - stop offering PS/2 to userspace by
default") (Jan 2017), CONFIG_INPUT_MOUSEDEV was switched from default y to
default n, with the explanation:
Evdev interface has been available for many years and by now everyone
is switched to using it, so let's stop offering /dev/input/mouseN
and /dev/psaux by default.
We had a number of configs which had it enabled, but going by the above
explanation probably don't need it enabled anymore.
So drop the last remnants of it from our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Since commit 401e4238f3 ("crypto: rng - Make DRBG the default RNG") we no longer need to set CONFIG_CRYPTO_ANSI_CPRNG in our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In commit 05a4a95279 ("kernel/watchdog: split up config options"),
CONFIG_LOCKUP_DETECTOR was split into two separate config options,
CONFIG_HARDLOCKUP_DETECTOR and CONFIG_SOFTLOCKUP_DETECTOR.
Our defconfigs still have CONFIG_LOCKUP_DETECTOR=y, but that is no longer
user selectable, and we don't mention the new options, so we end up with
none of them enabled.
So update the defconfigs to turn on the new SOFT and HARD options, the
end result being the same as what we had previously.
Fixes: 05a4a95279 ("kernel/watchdog: split up config options")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Highlights include:
- Larger virtual address space on 64-bit server CPUs. By default we use a 128TB
virtual address space, but a process can request access to the full 512TB by
passing a hint to mmap().
- Support for the new Power9 "XIVE" interrupt controller.
- TLB flushing optimisations for the radix MMU on Power9.
- Support for CAPI cards on Power9, using the "Coherent Accelerator Interface
Architecture 2.0".
- The ability to configure the mmap randomisation limits at build and runtime.
- Several small fixes and cleanups to the kprobes code, as well as support for
KPROBES_ON_FTRACE.
- Major improvements to handling of system reset interrupts, correctly treating
them as NMIs, giving them a dedicated stack and using a new hypervisor call
to trigger them, all of which should aid debugging and robustness.
Many fixes and other minor enhancements.
Thanks to:
Alastair D'Silva, Alexey Kardashevskiy, Alistair Popple, Andrew Donnellan,
Aneesh Kumar K.V, Anshuman Khandual, Anton Blanchard, Balbir Singh, Ben
Hutchings, Benjamin Herrenschmidt, Bhupesh Sharma, Chris Packham, Christian
Zigotzky, Christophe Leroy, Christophe Lombard, Daniel Axtens, David Gibson,
Gautham R. Shenoy, Gavin Shan, Geert Uytterhoeven, Guilherme G. Piccoli,
Hamish Martin, Hari Bathini, Kees Cook, Laurent Dufour, Madhavan Srinivasan,
Mahesh J Salgaonkar, Mahesh Salgaonkar, Masami Hiramatsu, Matt Brown, Matthew
R. Ochs, Michael Neuling, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran,
Pan Xinhui, Paul Mackerras, Rashmica Gupta, Russell Currey, Sukadev
Bhattiprolu, Thadeu Lima de Souza Cascardo, Tobin C. Harding, Tyrel Datwyler,
Uma Krishnan, Vaibhav Jain, Vipin K Parashar, Yang Shi.
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Merge tag 'powerpc-4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights include:
- Larger virtual address space on 64-bit server CPUs. By default we
use a 128TB virtual address space, but a process can request access
to the full 512TB by passing a hint to mmap().
- Support for the new Power9 "XIVE" interrupt controller.
- TLB flushing optimisations for the radix MMU on Power9.
- Support for CAPI cards on Power9, using the "Coherent Accelerator
Interface Architecture 2.0".
- The ability to configure the mmap randomisation limits at build and
runtime.
- Several small fixes and cleanups to the kprobes code, as well as
support for KPROBES_ON_FTRACE.
- Major improvements to handling of system reset interrupts,
correctly treating them as NMIs, giving them a dedicated stack and
using a new hypervisor call to trigger them, all of which should
aid debugging and robustness.
- Many fixes and other minor enhancements.
Thanks to: Alastair D'Silva, Alexey Kardashevskiy, Alistair Popple,
Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual, Anton
Blanchard, Balbir Singh, Ben Hutchings, Benjamin Herrenschmidt,
Bhupesh Sharma, Chris Packham, Christian Zigotzky, Christophe Leroy,
Christophe Lombard, Daniel Axtens, David Gibson, Gautham R. Shenoy,
Gavin Shan, Geert Uytterhoeven, Guilherme G. Piccoli, Hamish Martin,
Hari Bathini, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mahesh J
Salgaonkar, Mahesh Salgaonkar, Masami Hiramatsu, Matt Brown, Matthew
R. Ochs, Michael Neuling, Naveen N. Rao, Nicholas Piggin, Oliver
O'Halloran, Pan Xinhui, Paul Mackerras, Rashmica Gupta, Russell
Currey, Sukadev Bhattiprolu, Thadeu Lima de Souza Cascardo, Tobin C.
Harding, Tyrel Datwyler, Uma Krishnan, Vaibhav Jain, Vipin K Parashar,
Yang Shi"
* tag 'powerpc-4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (214 commits)
powerpc/64s: Power9 has no LPCR[VRMASD] field so don't set it
powerpc/powernv: Fix TCE kill on NVLink2
powerpc/mm/radix: Drop support for CPUs without lockless tlbie
powerpc/book3s/mce: Move add_taint() later in virtual mode
powerpc/sysfs: Move #ifdef CONFIG_HOTPLUG_CPU out of the function body
powerpc/smp: Document irq enable/disable after migrating IRQs
powerpc/mpc52xx: Don't select user-visible RTAS_PROC
powerpc/powernv: Document cxl dependency on special case in pnv_eeh_reset()
powerpc/eeh: Clean up and document event handling functions
powerpc/eeh: Avoid use after free in eeh_handle_special_event()
cxl: Mask slice error interrupts after first occurrence
cxl: Route eeh events to all drivers in cxl_pci_error_detected()
cxl: Force context lock during EEH flow
powerpc/64: Allow CONFIG_RELOCATABLE if COMPILE_TEST
powerpc/xmon: Teach xmon oops about radix vectors
powerpc/mm/hash: Fix off-by-one in comment about kernel contexts ids
powerpc/pseries: Enable VFIO
powerpc/powernv: Fix iommu table size calculation hook for small tables
powerpc/powernv: Check kzalloc() return value in pnv_pci_table_alloc
powerpc: Add arch/powerpc/tools directory
...
Move all the EDAC core functionality behind CONFIG_EDAC and get rid of
that indirection. Update defconfigs which had it.
While at it, fix dependencies such that EDAC depends on RAS for the
tracepoints.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: linux-edac@vger.kernel.org
The config option for the POWER8 crc32c recently changed from
CONFIG_CRYPT_CRC32C_VPMSUM to CONFIG_CRYPTO_CRC32C_VPMSUM. Update
the configs.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Most people use perf these days, so save about 31kB by making oprofile
a module.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
It turns out cloud-config uses ISO9660 filesystems to inject
configuration data into cloud images. The cloud-config failures when
ISO9660_FS is not enabled are cryptic, and building it in makes
mainline testing easier, so re-enable it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Enable CONFIG_KEXEC_FILE in powernv_defconfig, ppc64_defconfig and
pseries_defconfig.
It depends on CONFIG_CRYPTO_SHA256=y, so add that as well.
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
These are the PPC optimised versions of various crypto algorithms, so we
should turn them on by default to get test coverage.
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
IDE subsystem has been deprecated since 2009 and the majority
(if not all) of Linux distributions have switched to use
libata for ATA support exclusively. However there are still
some users (mostly old or/and embedded non-x86 systems) that
have not converted from using IDE subsystem to libata PATA
drivers. This doesn't seem to be good thing in the long-term
for Linux as while there is less and less PATA systems left
in use:
* testing efforts are divided between two subsystems
* having duplicate drivers for same hardware confuses users
This patch converts ppc64_defconfig to use libata PATA
drivers.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
We are starting to see i40e adapters in recent machines, so enable
it in our configs.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Change a few devices and filesystems that are seldom used any more
from built in to modules. This reduces our vmlinux about 500kB.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
When we issue a system reset, every CPU in the box prints an Oops,
including a backtrace. Each of these can be quite large (over 4kB)
and we may end up wrapping the ring buffer and losing important
information.
Bump the base size from 128kB to 256kB and the per CPU size from
4kB to 8kB.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
We see big improvements with the VMX crypto functions (often 10x or more),
so enable it as a module.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
All users of QPACE have upgraded to QPACE2 so remove the Cell QPACE code.
Signed-off-by: Rashmica Gupta <rashmicy@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Commit 086b91d052 ("scsi_dh: integrate into the core SCSI code")
changed CONFIG_SCSI_DH from tristate to bool.
Our defconfigs have CONFIG_SCSI_DH=m, which the kconfig machinery warns
us is invalid, but instead of converting it to =y it leaves it unset.
This means we loose the CONFIG_SCSI_DH code and everything that depends
on it.
So convert the values in the defconfigs to =y.
Fixes: 086b91d052 ("scsi_dh: integrate into the core SCSI code")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Michael Ellerman