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 can complete.
>>
>> stsync just orders stores which means it can just
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 warning:
>
>
Fix the following coccicheck warning:
arch/powerpc/xmon/spu-dis.c:51:34-35: WARNING comparing pointer to 0
Signed-off-by: Yonggang Wu
---
arch/powerpc/xmon/spu-dis.c | 384 ++--
1 file changed, 193 insertions(+), 191 deletions(-)
diff --git
On Tue Jun 13, 2023 at 3:31 PM AEST, Joel Stanley wrote:
> On Fri, 9 Jun 2023 at 10:01, Nicholas Piggin wrote:
> >
> > ISA v3.1 introduces new sync types for store ordering.
> >
> > stncisync
> > stcisync
> > stsync
> >
> > Add ppc-opcode defines for these. This changes PPC_RAW_SYNC to take
"Aneesh Kumar K.V" writes:
> This patch series implements changes required to support DAX vmemmap
> optimization for ppc64. The vmemmap optimization is only enabled with radix
> MMU
> translation and 1GB PUD mapping with 64K page size. The patch series also
> split
> hugetlb vmemmap
On Wed, Jun 14, 2023 at 10:34:45AM +0800, baomingtong...@208suo.com wrote:
> 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 | 4 ++--
> 1 file changed, 2 insertions(+),
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 | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
On Tue, Jun 13, 2023 at 11:34:11PM -0300, Arnaldo Carvalho de Melo wrote:
[...]
> > Since have applied this patch, it's no need to give my review tag :)
>
> No, I usually can add a Reviewed-by tag even after having applied it to
> my local tree, as I still need to run tests before making it
Em Wed, Jun 14, 2023 at 09:59:14AM +0800, Leo Yan escreveu:
> On Tue, Jun 13, 2023 at 04:54:08PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Jun 13, 2023 at 10:11:29PM +0530, Athira Rajeev escreveu:
> > > From: Sourabh Jain
> > >
> > > Script doesn't use sys library, so remove it.
> >
>
Em Tue, Jun 13, 2023 at 10:11:34PM +0530, Athira Rajeev escreveu:
> From: Akanksha J N
>
> Fix the shellcheck warnings on powerpc and x86 for testcase
> trace+probe_vfs_getname.sh. Add quotes to prevent word splitting
> which are caused by unquoted command expansions.
>
> Before fix:
>
> $
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
fixes
branch HEAD: dfaed3e1fa7099de8de4e89cbe7eb9c1bca27dfe powerpc/64s/radix: Fix
exit lazy tlb mm switch with irqs enabled
elapsed time: 728m
configs tested: 5
configs skipped: 112
The following configs have
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
> crash options that were once in the
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 and CRASH options.
>
> Signed-off-by: Eric
On Tue, Jun 13, 2023 at 04:54:08PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 13, 2023 at 10:11:29PM +0530, Athira Rajeev escreveu:
> > From: Sourabh Jain
> >
> > Script doesn't use sys library, so remove it.
>
> Please Cc the persons working on that file, I added Leo to the CC list
>
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:
$ TESTNAME=sprs TIMEOUT=90s ACCEL= ./powerpc/run powerpc/sprs.elf
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)
---
arch/nios2/include/asm/pgalloc.h | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git
On 6/1/23 05:12, Mike Rapoport wrote:
From: "Mike Rapoport (IBM)"
nios2 uses kmalloc() to implement module_alloc() because CALL26/PCREL26
cannot reach all of vmalloc address space.
Define module space as 32MiB below the kernel base and switch nios2 to
use vmalloc for module allocations.
* Arnaldo Carvalho de Melo | 2023-06-13 17:07:52 [-0300]:
>> From: Aditya Gupta
>>
>> Instead of printing "perf command failed" everytime, print the exact
>> command that run earlier
>
>Looks like a nice improvement, added the test authors to the CC list on
>this message,
Thank you Aditya and
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!
> [...]
> - The boolean ARCH_HAS_ in effect allows the arch to determine
On Tue, 2023-06-13 at 09:19 +0200, Geert Uytterhoeven wrote:
> Acked-by: Geert Uytterhoeven
Thanks!
On Tue, 2023-06-13 at 10:43 +0300, Mike Rapoport wrote:
> On Mon, Jun 12, 2023 at 05:10:27PM -0700, Rick Edgecombe wrote:
> > The x86 Shadow stack feature includes a new type of memory called
> > shadow
> > stack. This shadow stack memory has some unusual properties, which
> > requires
> > some
On Tue, 2023-06-13 at 14:26 +0200, David Hildenbrand wrote:
>
> Acked-by: David Hildenbrand
Thanks!
On 13.06.23 02:10, Rick Edgecombe wrote:
The x86 Shadow stack feature includes a new type of memory called shadow
stack. This shadow stack memory has some unusual properties, which requires
some core mm changes to function properly.
One of these unusual properties is that shadow stack memory is
On Mon, Jun 12, 2023 at 05:10:27PM -0700, Rick Edgecombe wrote:
> The x86 Shadow stack feature includes a new type of memory called shadow
> stack. This shadow stack memory has some unusual properties, which requires
> some core mm changes to function properly.
>
> One of these unusual properties
+
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.
On Wed, Mar 15, 2023, Wei Wang wrote:
> KVM_CAP_DEVICE_CTRL allows userspace to check if the kvm_device
> framework (e.g. KVM_CREATE_DEVICE) is
On Tue, Jun 13, 2023 at 02:56:14PM -0400, Kent Overstreet wrote:
> On Thu, Jun 08, 2023 at 09:41:16PM +0300, Mike Rapoport wrote:
> > On Tue, Jun 06, 2023 at 11:21:59AM -0700, Song Liu wrote:
> > > On Mon, Jun 5, 2023 at 3:09 AM Mark Rutland wrote:
> > >
> > > [...]
> > >
> > > > > > > Can you
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 static
> analysis tool that can find semantic/syntax bugs in the shell scripts.
Em Tue, Jun 13, 2023 at 10:11:44PM +0530, Athira Rajeev escreveu:
> From: Aditya Gupta
>
> Instead of printing "perf command failed" everytime, print the exact
> command that run earlier
Looks like a nice improvement, added the test authors to the CC list on
this message,
Thanks, applied.
-
Em Tue, Jun 13, 2023 at 10:11:43PM +0530, Athira Rajeev escreveu:
> From: Aditya Gupta
>
> ${$1} gives bad substitution error on sh, bash, and zsh. This seems like
> a typo, and this patch modifies it to $1, since that is what it's usage
> looks like from wherever `check_exec_0` is called.
On Fri, Jun 09, 2023 at 11:38:51AM +0530, Aneesh Kumar K.V wrote:
Certain devices can possess non-standard memory capacities, not constrained
to multiples of 1GB. Provide a kernel parameter so that we can map the
device memory completely on memory hotplug.
Case in point; the memory block size
Em Tue, Jun 13, 2023 at 10:11:29PM +0530, Athira Rajeev escreveu:
> From: Sourabh Jain
>
> Script doesn't use sys library, so remove it.
Please Cc the persons working on that file, I added Leo to the CC list
of this message.
Thanks, applied.
- Arnaldo
> Report by pylint:
> W0611: Unused
On Fri, Jun 09, 2023 at 11:38:50AM +0530, Aneesh Kumar K.V wrote:
Parse the device tree in early init to find the memory block size to be
used by the kernel. Consolidate the memory block size device tree parsing
to one helper and use that on both powernv and pseries. We still want to
use
On Tue, Jun 13, 2023 at 04:42:40PM +, Christophe Leroy wrote:
>
>
> Le 13/06/2023 à 17:52, Catalin Marinas a écrit :
> > Hi,
> >
> > The ARCH_KMALLOC_MINALIGN reduction series defines a generic
> > ARCH_DMA_MINALIGN in linux/cache.h:
> >
> >
From: Spoorthy S
Running shellcheck -S on stat+shadow_stat.sh testcase, generates
SC2046 and SC2034 warnings,
$ shellcheck -S warning tests/shell/stat+shadow_stat.sh
res=`printf "%.2f" $(echo "scale=6; $num / $cyc" | bc -q)`
: Quote this to prevent word
From: Anushree Mathur
Fixed the following shellcheck issues in test_arm_coresight.sh file:
In tools/perf/tests/shell/test_arm_coresight.sh line 31:
trap - exit term int
^--^ SC2039: In POSIX sh, using lower/mixed case for signal
names is undefined.
On Thu, Jun 08, 2023 at 09:41:16PM +0300, Mike Rapoport wrote:
> On Tue, Jun 06, 2023 at 11:21:59AM -0700, Song Liu wrote:
> > On Mon, Jun 5, 2023 at 3:09 AM Mark Rutland wrote:
> >
> > [...]
> >
> > > > > > Can you give more detail on what parameters you need? If the only
> > > > > > extra
>
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 __read_mostly = CPU_SMT_ENABLED;
>>> +static unsigned int
From: Abhirup Deb
Use quotes around variables to prevent POSIX word expansion,
use uppercase for signals(INT, TERM, EXIT) to avoid mixed/lower case
naming of signals and replace "==" with "=" as "==" is not
supported by POSIX shell.
Signed-off-by: Athira Rajeev
Signed-off-by: Kajol Jain
Hello Michael,
I found this bug while going though the code. This bug is exposed when
DDW is smaller than the max memory of the LPAR. This will result in
creating DDW which will have Dynamically mapped TCEs (no direct mapping).
I would like to stress that this bug is exposed only in
From: Aboorva Devarajan
Fixed the following shellcheck issues in test_task_analyzer.sh file:
SC2086: Double quote to prevent globbing and word splitting
warnings in shell-check.
Fixes the following shellcheck issues,
SC2086: Double quote to prevent globbing and word splitting
warnings in
From: Geetika
Fix all the POSIX sh warnings in perf shell test test_brstack.sh
Warnings fixed :
* In POSIX sh, using lower/mixed case for signal names is undefined.
Correcting that in this script.
* In POSIX sh, 'local' is undefined.
local is supported in many shells, but it's not in POSIX.
In
From: Abhirup Deb
Running shellcheck -S on test_arm_spe.sh throws below warnings:
#shellcheck -S warning tests/shell/test_arm_spe.sh
In tests/shell/test_arm_spe.sh line 30:
trap cleanup_files exit term int
^--^ SC3049 (warning): In POSIX sh, using lower/mixed case
for
From: Sourabh Jain
Script doesn't use sys library, so remove it.
Report by pylint:
W0611: Unused import sys (unused-import)
Signed-off-by: Athira Rajeev
Signed-off-by: Kajol Jain
Signed-off-by: Sourabh Jain
---
tools/perf/scripts/python/arm-cs-trace-disasm.py | 1 -
1 file changed, 1
From: Aditya Gupta
${$1} gives bad substitution error on sh, bash, and zsh. This seems like
a typo, and this patch modifies it to $1, since that is what it's usage
looks like from wherever `check_exec_0` is called.
This issue due to ${$1} caused all function calls to give error in
From: Aditya Gupta
Test "perf script task-analyzer tests" fails in environment with missing
libtraceevent support, as perf record fails to create the perf.data
file, which further tests depend on.
Instead, when perf is not compiled with libtraceevent support, skip those
tests instead of failing
From: Disha Goel
Running shellcheck on stat+json_output testcase, generates below warning:
[ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt
$1 ]
^--^ SC2046 (warning): Quote this to prevent word splitting.
^-- SC2046
From: Shirisha G
Running shellcheck -S on daemon.sh throws below warnings:
Result from shellcheck:
# shellcheck -S warning daemon.sh
local line_name=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $2 }'`
^---^ SC2155: Declare and assign separately to avoid masking
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 __read_mostly = CPU_SMT_ENABLED;
>> +static unsigned int cpu_smt_max_threads __ro_after_init;
>> +unsigned int
When memory is dynamically added/removed, iommu_mem_notifier() is invoked. This
routine traverses through all the DMA windows (DDW only, not default windows)
to add/remove "direct" TCE mappings. The routines for this purpose are
tce_clearrange_multi_pSeriesLP() and
Patchset covers a set of fixes for coding/formatting issues observed while
running shellcheck tool on the perf test shell scripts. Shellcheck is a static
analysis tool that can find semantic/syntax bugs in the shell scripts.
Patches 1-14 fixes the issues found with shellcheck. Patch 15, 16
and
From: Spoorthy S
Running shellcheck -S on test_arm_calligraph_fp throws warnings SC2086 and
SC3049,
$shellcheck -S warning tests/shell/test_arm_callgraph_fp.sh
rm -f $PERF_DATA
: Double quote to prevent globbing and word splitting.
trap cleanup_files exit
From: Aditya Gupta
Instead of printing "perf command failed" everytime, print the exact
command that run earlier
Signed-off-by: Athira Rajeev
Signed-off-by: Kajol Jain
Signed-off-by: Aditya Gupta
---
tools/perf/tests/shell/test_task_analyzer.sh | 24 ++--
1 file changed, 12
From: Samir Mulani
Fixed the shellcheck warnings in buildid.sh, record+probe_libc_inet_pton.sh
and record+script_probe_vfs_getname.sh perf shell scripts:
1. Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.
2. Prefer [ p ] || [ q ] as [ p -o q ] is not well defined.
3. Used * argument to
From: Barnali Guha Thakurata
Fixed shellcheck warning SC2076 in stat_all_metrics.sh.
Before the patch:
shell$ shellcheck stat_all_metrics.sh
In stat_all_metrics.sh line 9:
if [[ "$result" =~ "${m:0:50}" ]] || [[ "$result" =~ "" ]]
^-^ SC2076: Don't quote
From: Korrapati Likhitha
Running the shellcheck on stat+csv_output resulted in the
following warning.
Result with shellcheck without patch:
=
$ shellcheck -S warning stat+csv_output.sh
In stat+csv_output.sh line 23:
[ $(uname -m) = "s390x" ] && exp='^[6-7]$'
From: Akanksha J N
Fix the shellcheck warnings on powerpc and x86 for testcase
trace+probe_vfs_getname.sh. Add quotes to prevent word splitting
which are caused by unquoted command expansions.
Before fix:
$ shellcheck -S warning trace+probe_vfs_getname.sh
In trace+probe_vfs_getname.sh
Le 13/06/2023 à 17:52, Catalin Marinas a écrit :
> Hi,
>
> The ARCH_KMALLOC_MINALIGN reduction series defines a generic
> ARCH_DMA_MINALIGN in linux/cache.h:
>
> https://lore.kernel.org/r/20230612153201.554742-2-catalin.mari...@arm.com/
>
> Unfortunately, this causes a duplicate definition
On 6/12/23 23:59, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20230609:
>
on PPC32:
../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
The microblaze architecture defines ARCH_DMA_MINALIGN in asm/page.h.
Move it to asm/cache.h to allow a generic ARCH_DMA_MINALIGN definition
in linux/cache.h without redefine errors/warnings.
While at it, also move ARCH_SLAB_MINALIGN to asm/cache.h for
consistency.
Signed-off-by: Catalin Marinas
The sh architecture defines ARCH_DMA_MINALIGN in asm/page.h. Move it to
asm/cache.h to allow a generic ARCH_DMA_MINALIGN definition in
linux/cache.h without redefine errors/warnings.
Signed-off-by: Catalin Marinas
Cc: Yoshinori Sato
Cc: Rich Felker
Cc: John Paul Adrian Glaubitz
Cc:
The powerpc architecture defines ARCH_DMA_MINALIGN in asm/page_32.h and
only if CONFIG_NOT_COHERENT_CACHE is enabled (32-bit platforms only).
Move this macro to asm/cache.h to allow a generic ARCH_DMA_MINALIGN
definition in linux/cache.h without redefine errors/warnings.
Signed-off-by: Catalin
Hi,
The ARCH_KMALLOC_MINALIGN reduction series defines a generic
ARCH_DMA_MINALIGN in linux/cache.h:
https://lore.kernel.org/r/20230612153201.554742-2-catalin.mari...@arm.com/
Unfortunately, this causes a duplicate definition warning for
microblaze, powerpc (32-bit only) and sh as these
Hi Stephen,
On Tue, Jun 13, 2023 at 04:21:19PM +1000, Stephen Rothwell wrote:
> After merging the mm tree, today's linux-next build (powerpc
> ppc44x_defconfig) failed like this:
>
> In file included from arch/powerpc/include/asm/page.h:247,
> from
On Mon, Jun 12, 2023 at 04:46:16PM -0400, Sean Anderson wrote:
> On 6/12/23 12:33, Vladimir Oltean wrote:
> > On Mon, Jun 12, 2023 at 10:35:21AM -0400, Sean Anderson wrote:
> >> > And if SERDES protocol switching was not physically possible, would this
> >> > patch set still have value?
>
> More
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 can complete.
>
> stsync just orders stores which means it can just be a barrer that
> goes down the
Uwe Kleine-König writes:
> On Tue, May 23, 2023 at 09:50:53PM +0200, Uwe Kleine-König wrote:
>> After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
>> call-back type"), all drivers being converted to .probe_new() and then
>> 03c835f498b5 ("i2c: Switch .probe() to not take an id
On Thu, 8 Jun 2023 12:27:22 -0700 (PDT)
Hugh Dickins wrote:
> In rare transient cases, not yet made possible, pte_offset_map() and
> pte_offset_map_lock() may not find a page table: handle appropriately.
>
> Add comment on mm's contract with s390 above __zap_zero_pages(),
> and fix old comment
On Tue, Jun 13, 2023 at 2:13 AM Rick Edgecombe
wrote:
> The x86 Shadow stack feature includes a new type of memory called shadow
> stack. This shadow stack memory has some unusual properties, which requires
> some core mm changes to function properly.
>
> One of these unusual properties is that
On Mon, Jun 12, 2023 at 11:05 PM 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
> these to
Hello,
On Thu, May 25, 2023 at 10:56:22PM +0200, Uwe Kleine-König wrote:
> After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
> call-back type"), all drivers being converted to .probe_new() and then
> 03c835f498b5 ("i2c: Switch .probe() to not take an id parameter")
> convert back
Hello,
On Tue, May 23, 2023 at 09:50:53PM +0200, Uwe Kleine-König wrote:
> After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
> call-back type"), all drivers being converted to .probe_new() and then
> 03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert
> back
Hi all,
After merging the mm tree, today's linux-next build (powerpc
ppc44x_defconfig) failed like this:
In file included from arch/powerpc/include/asm/page.h:247,
from arch/powerpc/include/asm/thread_info.h:13,
from include/linux/thread_info.h:60,
Le 13/06/2023 à 05:38, wuyonggang...@208suo.com a écrit :
>
>
> Fix the following coccicheck warning:
>
> arch/powerpc/xmon/spu-dis.c:51:34-35: WARNING comparing pointer to 0
Please send text messages, not html.
And please check your patch, a lot of lines have no modifications but
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