urther than trying to run init (busybox)? I'm trying to get a feel
> for whether the problem occurs under common or uncommon conditions.
>
> > Unfortunately, I can still
> > reproduce it with the existing fix you have for this change on the
> > mailing list, which is
Eric DeVolder writes:
> The kexec and crash kernel options are provided in the common
> kernel/Kconfig.kexec. Utilize the common options and provide
> the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the
> equivalent set of KEXEC and CRASH options.
>
> Signed-off-by: Eric DeVolder
>
Eric DeVolder writes:
> On 6/13/23 15:21, Kees Cook wrote:
>> On Mon, Jun 12, 2023 at 01:27:52PM -0400, Eric DeVolder wrote:
>>> The Kconfig is refactored to consolidate KEXEC and CRASH options from
>>> various arch//Kconfig files into new file kernel/Kconfig.kexec.
>>
>> This looks very nice!
>> [ 34.381788] Code: 5463063e 408201c8 38210080 4e800020 6000 6000
>> 6000 7c0802a6 fbe10078 7c7f1b78 f8010090 e9230728 2c2c
>> 41820020 7d8903a6
>
> 2c: 28 07 23 e9 ld r9,1832(r3)
> 30: 50 00 89 e9 ld r12,80(r9)
>
> Where r3 is *chip.
> r9 is NULL,
On Wed, 14 Jun 2023 21:02:33 -0700 Randy Dunlap wrote:
> On 6/14/23 20:52, Jakub Kicinski wrote:
> > Randy forwarded report from Stephen that on PowerPC:
>
> Stephen forwarded report from Randy?
>
> netdev & pantelis were cc-ed...
Ah, I misread, you were reporting to Stephen the status for
On 6/14/23 20:52, Jakub Kicinski wrote:
> Randy forwarded report from Stephen that on PowerPC:
Stephen forwarded report from Randy?
netdev & pantelis were cc-ed...
> drivers/net/ethernet/freescale/fs_enet/mii-fec.c: In function
> 'fs_enet_mdio_probe':
>
Randy forwarded report from Stephen that on PowerPC:
drivers/net/ethernet/freescale/fs_enet/mii-fec.c: In function
'fs_enet_mdio_probe':
drivers/net/ethernet/freescale/fs_enet/mii-fec.c:130:50: warning: format '%x'
expects argument of type 'unsigned int', but argument 4 has type
wuyonggang...@208suo.com writes:
> Fix the following coccicheck warning:
>
> tools/testing/selftests/powerpc/alignment/alignment_handler.c:558:5-7:
> Unneeded variable: "rc". Return "0"
The check is wrong.
> diff --git
> a/tools/testing/selftests/powerpc/alignment/alignment_handler.c
>
"Nicholas Piggin" writes:
> On Wed Jun 14, 2023 at 3:56 PM AEST, Michael Ellerman wrote:
>> Michael Ellerman writes:
>> > Nicholas Piggin writes:
>> >> The most expensive ordering for hwsync to provide is the store-load
>> >> barrier, because all prior stores have to be drained to the caches
>>
Sachin Sant writes:
> Following crash is observed during a kexec operation on
> IBM Power10 server:
>
> [ 34.381548] Kernel attempted to read user page (50) - exploit attempt? (uid:
> 0)
> [ 34.381562] BUG: Kernel NULL pointer dereference on read at 0x0050
> [ 34.381565] Faulting
On Wed Jun 14, 2023 at 11:09 AM AEST, Joel Stanley wrote:
> On Thu, 8 Jun 2023 at 07:58, Nicholas Piggin wrote:
> >
> > Posting again, a couple of patches were merged and accounted for review
> > comments from last time.
>
> I saw some failures in the spr tests running on a power9 powernv system:
Sachin Sant writes:
>> 1. First try to map things using PMD (2M)
>> 2. With altmap if altmap cross-boundary check returns true, fall back to
>> PAGE_SIZE
>> 3. IF we can't allocate PMD_SIZE backing memory for vmemmap, fallback to
>> PAGE_SIZE
>>
>> On removing vmemmap mapping, check if every
On Wed Jun 14, 2023 at 3:56 PM AEST, Michael Ellerman wrote:
> Michael Ellerman writes:
> > Nicholas Piggin writes:
> >> The most expensive ordering for hwsync to provide is the store-load
> >> barrier, because all prior stores have to be drained to the caches
> >> before subsequent instructions
successfully.
More configs may be tested in the coming days.
tested configs:
alphaallyesconfig gcc
alphabuildonly-randconfig-r005-20230614 gcc
alpha defconfig gcc
alpharandconfig-r002-20230612 gcc
alpha
On Wed, 14 Jun 2023, Bjorn Helgaas wrote:
> > This is v9 of the change to work around a PCIe link training phenomenon
> > where a pair of devices both capable of operating at a link speed above
> > 2.5GT/s seems unable to negotiate the link speed and continues training
> > indefinitely with
a MIPS machine in QEMU to
> this change as commit 8044511d3893 ("mips: update_mmu_cache() can
> replace __update_tlb()") in linux-next.
Thank you, Nathan, that's very helpful indeed. This patch certainly knew
that it wanted testing, and I'm glad to hear that it is now see
On 6/14/23 10:24, Alexander Gordeev wrote:
On Mon, Jun 12, 2023 at 01:27:53PM -0400, Eric DeVolder wrote:
...
+config KEXEC_FILE
+ bool "Enable kexec file based system call"
+ depends on ARCH_HAS_KEXEC_FILE
+ select KEXEC_CORE
+ help
+ This is new version of
On Mon, Jun 12, 2023 at 01:27:53PM -0400, Eric DeVolder wrote:
...
> +config KEXEC_FILE
> + bool "Enable kexec file based system call"
> + depends on ARCH_HAS_KEXEC_FILE
> + select KEXEC_CORE
> + help
> + This is new version of kexec system call. This system call is
> +
On 6/13/23 15:21, Kees Cook wrote:
On Mon, Jun 12, 2023 at 01:27:52PM -0400, Eric DeVolder wrote:
The Kconfig is refactored to consolidate KEXEC and CRASH options from
various arch//Kconfig files into new file kernel/Kconfig.kexec.
This looks very nice!
Thank you Kees!
[...]
- The
On 6/12/23 14:38, Geert Uytterhoeven wrote:
On Mon, Jun 12, 2023 at 7:29 PM Eric DeVolder wrote:
The kexec and crash kernel options are provided in the common
kernel/Kconfig.kexec. Utilize the common options and provide
the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the
equivalent set
On 6/13/23 20:22, Leizhen (ThunderTown) wrote:
On 2023/6/13 1:27, Eric DeVolder wrote:
The kexec and crash kernel options are provided in the common
kernel/Kconfig.kexec. Utilize the common options and provide
the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the
equivalent set of KEXEC
On 6/13/23 20:19, Leizhen (ThunderTown) wrote:
On 2023/6/13 1:27, Eric DeVolder wrote:
The config options for kexec and crash features are consolidated
into new file kernel/Kconfig.kexec. Under the "General Setup" submenu
is a new submenu "Kexec and crash handling" where all the kexec and
= pte_offset_map(pmdp, address);
> -
> #if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
> #ifdef CONFIG_XPA
> write_c0_entrylo0(pte_to_entrylo(ptep->pte_high));
> --
> 2.35.3
>
I just bisected a crash while powering down a MIPS
On Sun, Jun 11, 2023 at 06:19:08PM +0100, Maciej W. Rozycki wrote:
> Hi,
>
> This is v9 of the change to work around a PCIe link training phenomenon
> where a pair of devices both capable of operating at a link speed above
> 2.5GT/s seems unable to negotiate the link speed and continues
On 6/14/23 04:30, Geert Uytterhoeven wrote:
Hi Dinh,
On Wed, Jun 14, 2023 at 12:17 AM Dinh Nguyen wrote:
On 6/12/23 16:04, Vishal Moola (Oracle) wrote:
Part of the conversions to replace pgtable constructor/destructors with
ptdesc equivalents.
Signed-off-by: Vishal Moola (Oracle)
---
On Mon, Jun 12, 2023 at 12:12:53PM -0400, Frank Li wrote:
> On Mon, May 15, 2023 at 11:10:49AM -0400, Frank Li wrote:
> > Layerscape has PME interrupt, which can be used as linkup notifier.
> > Set CFG_READY bit of PEX_PF0_CONFIG to enable accesses from root complex
> > when linkup detected.
> >
In some builds, the mpc52xx_pm_prepare()/lite5200_pm_prepare() functions
generate stack size warnings. The addition of 'struct resource' in commit
2500763dd3db ("powerpc: Use of_address_to_resource()") grew the stack size
and is blamed for the warnings. However, the real issue is there's no
reason
On Mon, Jun 12, 2023 at 02:04:10PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Catalin Marinas
On Mon, Jun 12, 2023 at 02:04:23PM -0700, Vishal Moola (Oracle) wrote:
> These functions are no longer necessary. Remove them and cleanup
> Documentation referencing them.
>
> Signed-off-by: Vishal Moola (Oracle)
I've found one stale reference in riscv:
$ git grep -n pgtable_pmd_page_ctor
On Mon, Jun 12, 2023 at 02:04:22PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents. Also cleans up some spacing issues.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
>
On Mon, Jun 12, 2023 at 02:04:21PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable pte constructor/destructors with
> ptdesc equivalents.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> arch/sparc/mm/srmmu.c | 5 +++--
> 1 file
On Mon, Jun 12, 2023 at 02:04:20PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
On Mon, Jun 12, 2023 at 02:04:19PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents. Also cleans up some spacing issues.
>
> Signed-off-by: Vishal Moola (Oracle)
> Reviewed-by: Geert Uytterhoeven
> Acked-by: John
On Mon, Jun 12, 2023 at 02:04:18PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
>
On Mon, Jun 12, 2023 at 02:04:17PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> arch/openrisc/include/asm/pgalloc.h | 8
On Mon, Jun 12, 2023 at 02:04:16PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> arch/nios2/include/asm/pgalloc.h | 8
On Mon, Jun 12, 2023 at 02:04:15PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
>
On Mon, Jun 12, 2023 at 02:04:14PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
>
Following crash is observed during a kexec operation on
IBM Power10 server:
[ 34.381548] Kernel attempted to read user page (50) - exploit attempt? (uid: 0)
[ 34.381562] BUG: Kernel NULL pointer dereference on read at 0x0050
[ 34.381565] Faulting instruction address: 0xc09db1e4
[
On Mon, Jun 12, 2023 at 02:04:13PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
>
On Mon, Jun 12, 2023 at 02:04:12PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> arch/hexagon/include/asm/pgalloc.h | 8
On Mon, Jun 12, 2023 at 02:04:11PM -0700, Vishal Moola (Oracle) wrote:
> Part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents.
>
> Signed-off-by: Vishal Moola (Oracle)
> Acked-by: Guo Ren
Acked-by: Mike Rapoport (IBM)
> ---
>
On Mon, Jun 12, 2023 at 02:04:10PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
On Mon, Jun 12, 2023 at 02:04:09PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> late_alloc() also uses the __get_free_pages() helper function. Convert
On Mon, Jun 12, 2023 at 02:04:08PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
>
On Mon, Jun 12, 2023 at 02:04:07PM -0700, Vishal Moola (Oracle) wrote:
> The page table members are now split out into their own ptdesc struct.
> Remove them from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> include/linux/mm_types.h | 14
On Mon, Jun 12, 2023 at 02:04:06PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
>
On Mon, Jun 12, 2023 at 02:04:05PM -0700, Vishal Moola (Oracle) wrote:
> In order to split struct ptdesc from struct page, convert various
> functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
> these to use pagetable_alloc() and ptdesc_address()
On Mon, Jun 12, 2023 at 02:04:04PM -0700, Vishal Moola (Oracle) wrote:
> In order to split struct ptdesc from struct page, convert various
> functions to use ptdescs.
>
> Some of the functions use the *get*page*() helper functions. Convert
Nit: *get_free_page*()
>
On Mon, Jun 12, 2023 at 02:04:03PM -0700, Vishal Moola (Oracle) wrote:
> In order to split struct ptdesc from struct page, convert various
> functions to use ptdescs.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> arch/powerpc/mm/book3s64/mmu_context.c | 10
On Mon, Jun 12, 2023 at 02:04:02PM -0700, Vishal Moola (Oracle) wrote:
> Creates pagetable_pte_ctor(), pagetable_pmd_ctor(), pagetable_pte_dtor(),
> and pagetable_pmd_dtor() and make the original pgtable
> constructor/destructors wrappers.
Nit: either "creates ... makes" or "create ... make"
I
On Mon, Jun 12, 2023 at 02:04:01PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> include/linux/mm.h | 10
On Mon, Jun 12, 2023 at 02:04:00PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> include/linux/mm.h | 10
On Mon, Jun 12, 2023 at 02:03:59PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> include/linux/mm.h | 14
On Mon, Jun 12, 2023 at 02:03:58PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> include/linux/mm.h | 10
On Mon, Jun 12, 2023 at 02:03:57PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> arch/x86/xen/mmu_pv.c | 2
On Mon, Jun 12, 2023 at 02:03:56PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport (IBM)
> ---
> include/linux/mm.h | 6
On Mon, Jun 12, 2023 at 02:03:55PM -0700, Vishal Moola (Oracle) wrote:
> Converts pmd_pgtable_page() to pmd_ptdesc() and all its callers. This
> removes some direct accesses to struct page, working towards splitting
> out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle)
On Mon, Jun 12, 2023 at 02:03:54PM -0700, Vishal Moola (Oracle) wrote:
> Introduce utility functions setting the foundation for ptdescs. These
> will also assist in the splitting out of ptdesc from struct page.
>
> Functions that focus on the descriptor are prefixed with ptdesc_* while
>
Hi,
On Wed, Jun 14, 2023 at 3:29 AM Petr Mladek wrote:
>
> It seems that we have entered into a bike shedding mode.
> The following questions come to my mind:
>
>1. Does this patchset improve the current state?
>
>2. Maybe, it is not black Is it possible to summarize
> what exactly
On Mon, Jun 12, 2023 at 02:03:53PM -0700, Vishal Moola (Oracle) wrote:
> Currently, page table information is stored within struct page. As part
> of simplifying struct page, create struct ptdesc for page table
> information.
>
> Signed-off-by: Vishal Moola (Oracle)
Acked-by: Mike Rapoport
On Mon, Jun 12, 2023 at 02:03:52PM -0700, Vishal Moola (Oracle) wrote:
> s390 currently uses _refcount to identify fragmented page tables.
> The page table struct already has a member pt_frag_refcount used by
> powerpc, so have s390 use that instead of the _refcount field as well.
> This improves
On Mon, Jun 12, 2023 at 02:03:51PM -0700, Vishal Moola (Oracle) wrote:
> s390 uses page->index to keep track of page tables for the guest address
> space. In an attempt to consolidate the usage of page fields in s390,
> replace _pt_pad_2 with _pt_s390_gaddr to replace page->index in gmap.
>
>
On Mon, Jun 12, 2023 at 02:03:50PM -0700, Vishal Moola (Oracle) wrote:
> No folio equivalents for page type operations have been defined, so
> define them for later folio conversions.
>
> Also changes the Page##uname macros to take in const struct page* since
> we only read the memory here.
>
>
On 13/06/2023 20:53:56, Thomas Gleixner wrote:
> On Tue, Jun 13 2023 at 19:16, Laurent Dufour wrote:
>> On 10/06/2023 23:26:18, Thomas Gleixner wrote:
>>> On Thu, May 25 2023 at 01:56, Michael Ellerman wrote:
#ifdef CONFIG_HOTPLUG_SMT
enum cpuhp_smt_control cpu_smt_control
On Tue, Jun 13, 2023 at 02:16:16PM -0700, Sean Christopherson wrote:
> +
>
> Please use scripts/get_maintainer.pl to generate the To/Cc lists. This may be
> trivial, but it still needs eyeballs from the relevant maintainers.
+1000. I'd buy someone a beer if they made a bot that just ran
devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: b86ef5367761 ("ASoC: fsl: Add Audio Mixer machine driver")
Signed-off-by: Claudiu Beznea
---
Hi,
> 1. First try to map things using PMD (2M)
> 2. With altmap if altmap cross-boundary check returns true, fall back to
> PAGE_SIZE
> 3. IF we can't allocate PMD_SIZE backing memory for vmemmap, fallback to
> PAGE_SIZE
>
> On removing vmemmap mapping, check if every subsection that is using
On Thu 2023-06-08 06:55:23, Doug Anderson wrote:
> Hi,
>
> On Thu, Jun 8, 2023 at 4:02 AM Petr Mladek wrote:
> >
> > > > config HARDLOCKUP_DETECTOR
> > > > bool "Detect Hard Lockups"
> > > > depends on DEBUG_KERNEL && !S390
> > > > - depends on
> On 14-Jun-2023, at 2:04 AM, Arnaldo Carvalho de Melo wrote:
>
> Em Tue, Jun 13, 2023 at 10:11:28PM +0530, Athira Rajeev escreveu:
>> Patchset covers a set of fixes for coding/formatting issues observed while
>> running shellcheck tool on the perf test shell scripts. Shellcheck is a
>>
Hi Dinh,
On Wed, Jun 14, 2023 at 12:17 AM Dinh Nguyen wrote:
> On 6/12/23 16:04, Vishal Moola (Oracle) wrote:
> > Part of the conversions to replace pgtable constructor/destructors with
> > ptdesc equivalents.
> >
> > Signed-off-by: Vishal Moola (Oracle)
> > ---
> >
When creating a kprobe on function entry through tracefs, enable
arguments to be recorded to be specified using $argN syntax.
Signed-off-by: Naveen N Rao
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/ptrace.h | 17 +
2 files changed, 18 insertions(+)
Christophe Leroy writes:
> Le 14/06/2023 à 07:48, wuyonggang...@208suo.com a écrit :
>> [Vous ne recevez pas souvent de courriers de wuyonggang...@208suo.com.
>> D?couvrez pourquoi ceci est important ?
>> https://aka.ms/LearnAboutSenderIdentification ]
>>
>> Fix the following coccicheck
Fix the following coccicheck warning:
tools/testing/selftests/powerpc/alignment/alignment_handler.c:558:5-7:
Unneeded variable: "rc". Return "0"
Signed-off-by: Yonggang Wu
---
.../powerpc/alignment/alignment_handler.c | 24 +--
1 file changed, 12 insertions(+), 12
fix the following coccicheck warning:
tools/testing/selftests/powerpc/alignment/alignment_handler.c:530:5-7:
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:558:5-7:
Unneeded variable: "rc". Return "0".
fix the following coccicheck warning:
arch/powerpc/kvm/book3s_pr.c:424:5-6: Unneeded variable: "r".
Signed-off-by: Mingtong Bao
---
arch/powerpc/kvm/book3s_pr.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
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