Check keylen before copying salt to avoid wrap around of Integer.
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.
Cc: <stable@vger.kernel.org>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Reviewed-by: Stephan Müller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When aesni is built as a module together with pcbc, the pcbc module
must be present for aesni to load. However, the pcbc module may not
be present for reasons such as its absence on initramfs. This patch
allows the aesni to function even if the pcbc module is enabled but
not present.
Reported-by: Arkadiusz Miśkiewicz <arekm@maven.pl>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Eliminate a double-add by creating a new list to manage
command descriptors when created; move the descriptor to
the pending list when the command is submitted.
Cc: <stable@vger.kernel.org>
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
An I/O page fault occurs when the IOMMU is enabled on a
system that supports the v5 CCP. DMA operations use a
Request ID value that does not match what is expected by
the IOMMU, resulting in the I/O page fault. Setting the
Request ID value to 0 corrects this issue.
Cc: <stable@vger.kernel.org>
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Ensure dev is allocated for crypto uld context before using the device
for crypto operations.
Cc: <stable@vger.kernel.org>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Save DMA mapped sg list addresses to request context buffer.
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Martin KaFai Lau says:
====================
mlx4: Misc bug fixes after reinitializing queues
This patchset fixes misc bugs after reinitializing
queues (e.g. by ethtool -L).
v2:
* Add another fix to mem leak in tx_ring[t] and tx_cq[t]
* In mlx4_en_try_alloc_resources(),
move all xdp_prog logic after calling mlx4_en_alloc_resources()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
After calling mlx4_en_try_alloc_resources (e.g. by changing the
number of rx-queues with ethtool -L), the existing xdp_prog becomes
inactive.
The bug is that the xdp_prog ptr has not been carried over from
the old rx-queues to the new rx-queues
Fixes: 47a38e1550 ("net/mlx4_en: add support for fast rx drop bpf program")
Cc: Brenden Blanco <bblanco@plumgrid.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
two amd fixes.
* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: Fix vram_size/visible values in DRM_RADEON_GEM_INFO ioctl
drm/amdgpu/si: fix crash on headless asics
here's Maarten's backport of the vma fixes for v4.10.
* tag 'topic/vma-fix-for-4.10-2017-02-02' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: Track pinned vma in intel_plane_state
drm/atomic: Unconditionally call prepare_fb.
Pull x86 fixes from Ingo Molnar:
"Misc fixes:
- two microcode loader fixes
- two FPU xstate handling fixes
- an MCE timer handling related crash fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Make timer handling more robust
x86/microcode: Do not access the initrd after it has been freed
x86/fpu/xstate: Fix xcomp_bv in XSAVES header
x86/fpu: Set the xcomp_bv when we fake up a XSAVES area
x86/microcode/intel: Drop stashed AP patch pointer optimization
Pull perf fixes from Ingo Molnar:
"Five kernel fixes:
- an mmap tracing ABI fix for certain mappings
- a use-after-free fix, found via KASAN
- three CPU hotplug related x86 PMU driver fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Make package handling more robust
perf/x86/intel/uncore: Clean up hotplug conversion fallout
perf/x86/intel/rapl: Make package handling more robust
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
perf/core: Fix use-after-free bug
Pull EFI fixes from Ingo Molnar:
"Two EFI boot fixes, one for arm64 and one for x86 systems with certain
firmware versions"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/fdt: Avoid FDT manipulation after ExitBootServices()
x86/efi: Always map the first physical page into the EFI pagetables
Pull objtool fix from Ingo Molnar:
"A fix for a bad opcode in objtool's instruction decoder"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix IRET's opcode
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Merge tag 'nfsd-4.10-2' of git://linux-nfs.org/~bfields/linux
Pull nfsd fixes from Bruce Fields:
"Three more miscellaneous nfsd bugfixes"
* tag 'nfsd-4.10-2' of git://linux-nfs.org/~bfields/linux:
svcrpc: fix oops in absence of krb5 module
nfsd: special case truncates some more
NFSD: Fix a null reference case in find_or_create_lock_stateid()
- fix noMMU build on cores with MMU.
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Merge tag 'xtensa-20170202' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fix from Max Filippov:
"A for an Xtensa build error introduced in reset code refactoring
series in v4.9:
- fix noMMU build on cores with MMU"
* tag 'xtensa-20170202' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: fix noMMU build on cores with MMU
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Merge tag 'pci-v4.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Configure ASPM on the link from a PCI-to-PCIe bridge (avoids a NULL
pointer dereference on topologies including these bridges)"
* tag 'pci-v4.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/ASPM: Handle PCI-to-PCIe bridges as roots of PCIe hierarchies
The rename of orion5x-lschl.dts needs to be reflected in the Makefile:
make[3]: *** No rule to make target 'arch/arm/boot/dts/orion5x-lschl.dtb', needed by '__build'.
Fixes: 6cfd3cd8d8 ("ARM: dts: orion5x-lschl: More consistent naming on linkstation series")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Bart reported a problem wіth an out of bounds access in the low-level IRQ
affinity code, which we root caused to the qla2xxx driver assigning all its
MSI-X vectors to the pre and post vectors, and not having any left for the
actually spread IRQs.
Fix this issue by not asking for affinity assignment when there are no
vectors to assign left.
Fixes: 402723ad5c ("PCI/MSI: Provide pci_alloc_irq_vectors_affinity()")
Link: https://lkml.kernel.org/r/1485359225.3093.3.camel@sandisk.com
Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Tested-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
vram_size is supposed to be the total amount of VRAM that can be used by
userspace, which corresponds to the TTM VRAM manager size (which is
normally the full amount of VRAM, but can be just the visible VRAM when
DMA can't be used for BO migration for some reason).
The above was incorrectly used for vram_visible before, resulting in
generally too large values being reported.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
clang complains about "__init" being attached to a struct name:
kernel/trace/trace_kprobe.c:1375:15: error: '__section__' attribute only applies to functions and global variables
The intention must have been to mark the function as __init instead of
the type, so move the attribute there.
Link: http://lkml.kernel.org/r/20170201165826.2625888-1-arnd@arndb.de
Fixes: f18f97ac43 ("tracing/kprobes: Add a helper method to return number of probe hits")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Zero embedded ram in DH85x devices. This is not
needed for newer generations as it is done by HW.
Cc: <stable@vger.kernel.org>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Some accelerators of the c62x series have only two bars.
This patch skips BAR0 if the accelerator does not have it.
Cc: <stable@vger.kernel.org>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Some AArch64 UEFI implementations disable the MMU in ExitBootServices(),
after which unaligned accesses to RAM are no longer supported.
Commit:
abfb7b686a ("efi/libstub/arm*: Pass latest memory map to the kernel")
fixed an issue in the memory map handling of the stub FDT code, but
inadvertently created an issue with such firmware, by moving some
of the FDT manipulation to after the invocation of ExitBootServices().
Given that the stub's libfdt implementation uses the ordinary, accelerated
string functions, which rely on hardware handling of unaligned accesses,
manipulating the FDT with the MMU off may result in alignment faults.
So fix the situation by moving the update_fdt_memmap() call into the
callback function invoked by efi_exit_boot_services() right before it
calls the ExitBootServices() UEFI service (which is arguably a better
place for it anyway)
Note that disabling the MMU in ExitBootServices() is not compliant with
the UEFI spec, and carries great risk due to the fact that switching from
cached to uncached memory accesses halfway through compiler generated code
(i.e., involving a stack) can never be done in a way that is architecturally
safe.
Fixes: abfb7b686a ("efi/libstub/arm*: Pass latest memory map to the kernel")
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Riku Voipio <riku.voipio@linaro.org>
Cc: <stable@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: linux-efi@vger.kernel.org
Cc: matt@codeblueprint.co.uk
Cc: leif.lindholm@linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1485971102-23330-2-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Pull networking fixes from David Miller:
1) Fix handling of interrupt status in stmmac driver. Just because we
have masked the event from generating interrupts, doesn't mean the
bit won't still be set in the interrupt status register. From Alexey
Brodkin.
2) Fix DMA API debugging splats in gianfar driver, from Arseny Solokha.
3) Fix off-by-one error in __ip6_append_data(), from Vlad Yasevich.
4) cls_flow does not match on icmpv6 codes properly, from Simon Horman.
5) Initial MAC address can be set incorrectly in some scenerios, from
Ivan Vecera.
6) Packet header pointer arithmetic fix in ip6_tnl_parse_tlv_end_lim(),
from Dan Carpenter.
7) Fix divide by zero in __tcp_select_window(), from Eric Dumazet.
8) Fix crash in iwlwifi when unregistering thermal zone, from Jens
Axboe.
9) Check for DMA mapping errors in starfire driver, from Alexey
Khoroshilov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (31 commits)
tcp: fix 0 divide in __tcp_select_window()
ipv6: pointer math error in ip6_tnl_parse_tlv_enc_lim()
net: fix ndo_features_check/ndo_fix_features comment ordering
net/sched: matchall: Fix configuration race
be2net: fix initial MAC setting
ipv6: fix flow labels when the traffic class is non-0
net: thunderx: avoid dereferencing xcv when NULL
net/sched: cls_flower: Correct matching on ICMPv6 code
ipv6: Paritially checksum full MTU frames
net/mlx4_core: Avoid command timeouts during VF driver device shutdown
gianfar: synchronize DMA API usage by free_skb_rx_queue w/ gfar_new_page
net: ethtool: add support for 2500BaseT and 5000BaseT link modes
can: bcm: fix hrtimer/tasklet termination in bcm op removal
net: adaptec: starfire: add checks for dma mapping errors
net: phy: micrel: KSZ8795 do not set SUPPORTED_[Asym_]Pause
can: Fix kernel panic at security_sock_rcv_skb
net: macb: Fix 64 bit addressing support for GEM
stmmac: Discard masked flags in interrupt status register
net/mlx5e: Check ets capability before ets query FW command
net/mlx5e: Fix update of hash function/key via ethtool
...
If user tries to initialize uinput device mixing old and new style
initialization (i.e. using old UI_SET_ABSBIT instead of UI_ABS_SETUP,
we forget to allocate input->absinfo and will crash when trying to send
absolute events:
ioctl(ui, UI_DEV_SETUP, &us);
ioctl(ui, UI_SET_PHYS, "Test");
ioctl(ui, UI_SET_EVBIT, EV_ABS);
ioctl(ui, UI_SET_ABSBIT, ABS_X);
ioctl(ui, UI_SET_ABSBIT, ABS_Y);
ioctl(ui, UI_DEV_CREATE, 0);
Reported-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=191811
Fixes: fbae10db09 ("Input: uinput - rework ABS validation")
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull fscache fixes from Al Viro.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fscache: Fix dead object requeue
fscache: Clear outstanding writes when disabling a cookie
FS-Cache: Initialise stores_lock in netfs cookie
syszkaller fuzzer was able to trigger a divide by zero, when
TCP window scaling is not enabled.
SO_RCVBUF can be used not only to increase sk_rcvbuf, also
to decrease it below current receive buffers utilization.
If mss is negative or 0, just return a zero TCP window.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Casting is a high precedence operation but "off" and "i" are in terms of
bytes so we need to have some parenthesis here.
Fixes: fbfa743a9d ("ipv6: fix ip6_tnl_parse_tlv_enc_lim()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull crypto fixes from Herbert Xu:
"This fixes a bug in CBC/CTR on ARM64 that breaks chaining as well as a
bug in the core API that causes registration failures when a driver
unloads and then reloads an algorithm"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg
Few late fixes for this cycle
- pl330 double lock fix
- more fixes for runtime pm handling on cppi
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Merge tag 'dmaengine-fix-4.10-rc7' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"A couple of fixes showed up late in the cycle so sending them up and
sending early in the week and not on Friday :).
They fix a double lock in pl330 driver and runtime pm fixes for cppi
driver"
* tag 'dmaengine-fix-4.10-rc7' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: pl330: fix double lock
dmaengine: cppi41: Clean up pointless warnings
dmaengine: cppi41: Fix oops in cppi41_runtime_resume
dmaengine: cppi41: Fix runtime PM timeouts with USB mass storage
Commit cdba756f58 ("net: move ndo_features_check() close to
ndo_start_xmit()") inadvertently moved the doc comment for
.ndo_fix_features instead of .ndo_features_check. Fix the comment
ordering.
Fixes: cdba756f58 ("net: move ndo_features_check() close to ndo_start_xmit()")
Signed-off-by: Dimitris Michailidis <dmichail@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the current version, the matchall internal state is split into two
structs: cls_matchall_head and cls_matchall_filter. This makes little
sense, as matchall instance supports only one filter, and there is no
situation where one exists and the other does not. In addition, that led
to some races when filter was deleted while packet was processed.
Unify that two structs into one, thus simplifying the process of matchall
creation and deletion. As a result, the new, delete and get callbacks have
a dummy implementation where all the work is done in destroy and change
callbacks, as was done in cls_cgroup.
Fixes: bf3994d2ed ("net/sched: introduce Match-all classifier")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit d9c728949d ("vfio/spapr: Postpone default window creation")
added an additional exit to the VFIO_IOMMU_SPAPR_TCE_CREATE case and
made it possible to return from tce_iommu_ioctl() without unlocking
container->lock; this fixes the issue.
Fixes: d9c728949d ("vfio/spapr: Postpone default window creation")
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Driver fixes only:
- One fix to the Berlin driver making the SD card work fully
again.
- One fix to the Allwinner/sunxi bias function: one premature
change needs to be partially reverted.
- The remaining four patches are to Intel embedded SoCs: baytrail
(three patches) and merrifield (one patch): register access
debounce fixes and a missing spinlock.
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Merge tag 'pinctrl-v4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Another week, another set of pin control fixes. The subsystem has seen
high patch-spot activity recently.
The majority of the patches are for Intel, I vaguely think it mostly
concern phones, tablets and maybe chromebooks and even laptops with
this Intel Atom family chips.
Driver fixes only:
- one fix to the Berlin driver making the SD card work fully again.
- one fix to the Allwinner/sunxi bias function: one premature change
needs to be partially reverted.
- the remaining four patches are to Intel embedded SoCs: baytrail
(three patches) and merrifield (one patch): register access
debounce fixes and a missing spinlock"
* tag 'pinctrl-v4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
pinctrl: baytrail: Debounce register is one per community
pinctrl: baytrail: Rectify debounce support (part 2)
pinctrl: intel: merrifield: Add missed check in mrfld_config_set()
pinctrl: sunxi: Don't enforce bias disable (for now)
pinctrl: berlin-bg4ct: fix the value for "sd1a" of pin SCRD0_CRD_PRES
Recent commit 3439352916 ("be2net: fix MAC addr setting on privileged
BE3 VFs") allows privileged BE3 VFs to set its MAC address during
initialization. Although the initial MAC for such VFs is already
programmed by parent PF the subsequent setting performed by VF is OK,
but in certain cases (after fresh boot) this command in VF can fail.
The MAC should be initialized only when:
1) no MAC is programmed (always except BE3 VFs during first init)
2) programmed MAC is different from requested (e.g. MAC is set when
interface is down). In this case the initial MAC programmed by PF
needs to be deleted.
The adapter->dev_mac contains MAC address currently programmed in HW so
it should be zeroed when the MAC is deleted from HW and should not be
filled when MAC is set when interface is down in be_mac_addr_set() as
no programming is performed in this case.
Example of failure without the fix (immediately after fresh boot):
# ip link set eth0 up <- eth0 is BE3 PF
be2net 0000:01:00.0 eth0: Link is Up
# echo 1 > /sys/class/net/eth0/device/sriov_numvfs <- Create 1 VF
...
be2net 0000:01:04.0: Emulex OneConnect(be3): VF port 0
# ip link set eth8 up <- eth8 is created privileged VF
be2net 0000:01:04.0: opcode 59-1 failed:status 1-76
RTNETLINK answers: Input/output error
# echo 0 > /sys/class/net/eth0/device/sriov_numvfs <- Delete VF
iommu: Removing device 0000:01:04.0 from group 33
...
# echo 1 > /sys/class/net/eth0/device/sriov_numvfs <- Create it again
iommu: Removing device 0000:01:04.0 from group 33
...
# ip link set eth8 up
be2net 0000:01:04.0 eth8: Link is Up
Initialization is now OK.
v2 - Corrected the comment and condition check suggested by Suresh & Harsha
Fixes: 3439352916 ("be2net: fix MAC addr setting on privileged BE3 VFs")
Cc: Sathya Perla <sathya.perla@broadcom.com>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Ivan Vecera <cera@cera.cz>
Acked-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Atomic drivers may set properties like rotation on the same fb, which
may require a call to prepare_fb even when framebuffer stays identical.
Instead of handling all the special cases in the core, let the driver
decide when prepare_fb and cleanup_fb are noops.
This is a revert of:
commit fcc60b413d
Author: Keith Packard <keithp@keithp.com>
Date: Sat Jun 4 01:16:22 2016 -0700
drm: Don't prepare or cleanup unchanging frame buffers [v3]
The original commit mentions that this prevents waiting in i915 on all
previous rendering during cursor updates, but there are better ways to
fix this.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/6d82f9b6-9d16-91d1-d176-4a37b09afc44@linux.intel.com
(cherry picked from commit 0532be078a)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1485854491-27389-2-git-send-email-maarten.lankhorst@linux.intel.com
The package management code in uncore relies on package mapping being
available before a CPU is started. This changed with:
9d85eb9119 ("x86/smpboot: Make logical package management more robust")
because the ACPI/BIOS information turned out to be unreliable, but that
left uncore in broken state. This was not noticed because on a regular boot
all CPUs are online before uncore is initialized.
Move the allocation to the CPU online callback and simplify the hotplug
handling. At this point the package mapping is established and correct.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Yasuaki Ishimatsu <yasu.isimatu@gmail.com>
Fixes: 9d85eb9119 ("x86/smpboot: Make logical package management more robust")
Link: http://lkml.kernel.org/r/20170131230141.377156255@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The recent conversion to the hotplug state machine kept two mechanisms from
the original code:
1) The first_init logic which adds the number of online CPUs in a package
to the refcount. That's wrong because the callbacks are executed for
all online CPUs.
Remove it so the refcounting is correct.
2) The on_each_cpu() call to undo box->init() in the error handling
path. That's bogus because when the prepare callback fails no box has
been initialized yet.
Remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Yasuaki Ishimatsu <yasu.isimatu@gmail.com>
Fixes: 1a246b9f58 ("perf/x86/intel/uncore: Convert to hotplug state machine")
Link: http://lkml.kernel.org/r/20170131230141.298032324@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The package management code in RAPL relies on package mapping being
available before a CPU is started. This changed with:
9d85eb9119 ("x86/smpboot: Make logical package management more robust")
because the ACPI/BIOS information turned out to be unreliable, but that
left RAPL in broken state. This was not noticed because on a regular boot
all CPUs are online before RAPL is initialized.
A possible fix would be to reintroduce the mess which allocates a package
data structure in CPU prepare and when it turns out to already exist in
starting throw it away later in the CPU online callback. But that's a
horrible hack and not required at all because RAPL becomes functional for
perf only in the CPU online callback. That's correct because user space is
not yet informed about the CPU being onlined, so nothing caan rely on RAPL
being available on that particular CPU.
Move the allocation to the CPU online callback and simplify the hotplug
handling. At this point the package mapping is established and correct.
This also adds a missing check for available package data in the
event_init() function.
Reported-by: Yasuaki Ishimatsu <yasu.isimatu@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Fixes: 9d85eb9119 ("x86/smpboot: Make logical package management more robust")
Link: http://lkml.kernel.org/r/20170131230141.212593966@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit bf15f86b34 ("xtensa: initialize MMU before jumping to reset
vector") calls MMU management functions even when CONFIG_MMU is not
selected. That breaks noMMU build on cores with MMU.
Don't manage MMU when CONFIG_MMU is not selected.
Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Given that the naming of pmem devices changes from the pmemX form to the
pmemX.Y form when namespace id is greater than 0, arrange for namespaces
with id-0 to be exempt from deletion. Otherwise a simple reconfiguration
of an existing namespace to a new mode results in a name change of the
resulting block device:
# ndctl list --namespace=namespace1.0
{
"dev":"namespace1.0",
"mode":"raw",
"size":2147483648,
"uuid":"3dadf3dc-89b9-4b24-b20e-abc8a4707ce3",
"blockdev":"pmem1"
}
# ndctl create-namespace --reconfig=namespace1.0 --mode=memory --force
{
"dev":"namespace1.1",
"mode":"memory",
"size":2111832064,
"uuid":"7b4a6341-7318-4219-a02c-fb57c0bbf613",
"blockdev":"pmem1.1"
}
This change does require tooling changes to explicitly look for
namespaceX.0 if the seed has already advanced to another namespace.
Cc: <stable@vger.kernel.org>
Fixes: 98a29c39dc ("libnvdimm, namespace: allow creation of multiple pmem-namespaces per region")
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Declare device_type structure as const as it is only stored in the
type field of a device structure. This field is of type const, so add
const to declaration of device_type structure.
File size before:
text data bss dec hex filename
19278 3199 16 22493 57dd nvdimm/namespace_devs.o
File size after:
text data bss dec hex filename
19929 3160 16 23105 5a41 nvdimm/namespace_devs.o
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
not migrate after the first instance. I found that there was as small
bug in the logic, and fixed it. It's minor, but should be fixed regardless.
There's not much impact outside the hwlat tracer.
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Merge tag 'trace-4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"It was reported to me that the thread created by the hwlat tracer does
not migrate after the first instance. I found that there was as small
bug in the logic, and fixed it. It's minor, but should be fixed
regardless. There's not much impact outside the hwlat tracer"
* tag 'trace-4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix hwlat kthread migration
2 patches to fix the oops Dave Hanse reported, plus a double kfree fix
Maarten discovered while backporting the fix for Linus.
For Linus' vma tracking oops the plan is to send you a dedicated pull with
the 2 patches we need, but since it's tricky we're letting CI beat on it a
bit more.
* tag 'drm-misc-fixes-2017-01-31' of git://anongit.freedesktop.org/git/drm-misc:
drm/atomic: Fix double free in drm_atomic_state_default_clear
drm: Don't race connector registration
drm: prevent double-(un)registration for connectors
Harsh Jain