Le 31/08/2022 à 17:20, Nathan Chancellor a écrit :
> When building with a recent version of clang, there are a couple of
> errors around the call to module_init():
>
>arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier missing,
> defaults to 'int'; ISO C99 and later do not
Le 01/09/2022 à 00:45, Segher Boessenkool a écrit :
> Hi!
>
> On Tue, Aug 30, 2022 at 09:10:02AM +, Christophe Leroy wrote:
>> Le 30/08/2022 à 11:01, Nicholas Piggin a écrit :
>>> On Tue Aug 30, 2022 at 3:24 PM AEST, Christophe Leroy wrote:
> This is still slightly concerning to me. Is
Pali Rohár writes:
> On Thursday 25 August 2022 17:49:28 Michael Ellerman wrote:
>> Pali Rohár writes:
>> > On 32-bit powerpc systems with more PCIe controllers and more PCI domains,
>> > where on more PCI domains are same PCI numbers, when kernel is compiled
>> > with CONFIG_PROC_FS=y and
Christophe Leroy writes:
> Le 31/08/2022 à 15:10, Michael Ellerman a écrit :
>> This reverts commit ef5b570d3700fbb8628a58da0487486ceeb713cd.
>>
>> Zhouyi reported that commit is causing crashes when running rcutorture
>> with KASAN enabled:
>>
>>BUG: using smp_processor_id() in preemptible
Joe Lawrence writes:
> On Thu, Sep 01, 2022 at 08:30:44AM +1000, Michael Ellerman wrote:
>> Joe Lawrence writes:
...
>
> Hi Michael,
>
> While we're on the topic of klp-relocations and Power, I saw a similar
> access problem when writing (late) relocations into
> .data..ro_after_init. I'm not
-20220831
m68k allmodconfig
x86_64randconfig-a006
x86_64rhel-8.3-kselftests
i386 allyesconfig
x86_64 rhel-8.3-syz
i386 randconfig-a016
x86_64
randconfig-r043-20220831
x86_64randconfig-a002
arm allyesconfig
arm64allyesconfig
x86_64randconfig-a004
s390 randconfig-r044-20220831
x86_64
virt_defconfig
powerpcwarp_defconfig
armmulti_v7_defconfig
arm64alldefconfig
s390 randconfig-r044-20220831
arc randconfig-r043-20220831
riscvrandconfig-r042
On Thu, Sep 01, 2022 at 08:30:44AM +1000, Michael Ellerman wrote:
> Joe Lawrence writes:
> > On Tue, Aug 30, 2022 at 11:53:13AM -0700, Song Liu wrote:
> >> From: Miroslav Benes
> >>
> >> Josh reported a bug:
> >>
> >> When the object to be patched is a module, and that module is
> >>
On Wed, Aug 31, 2022 at 03:48:26PM -0700, Song Liu wrote:
> On Wed, Aug 31, 2022 at 3:30 PM Michael Ellerman wrote:
> >
> > Joe Lawrence writes:
> > > On Tue, Aug 30, 2022 at 11:53:13AM -0700, Song Liu wrote:
> > >> From: Miroslav Benes
> > >>
> > >> Josh reported a bug:
> > >>
> > >> When
Systems using the hash MMU with a 4K page size don't support 4PB address
space, so skip the test because the bug it tests for can't be triggered.
Signed-off-by: Michael Ellerman
---
tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c | 2 ++
1 file changed, 2 insertions(+)
diff --git
My commit to add PAPR_SCM to pseries_defconfig failed to add the
required dependencies, meaning the driver doesn't get built.
Add the required LIBNVDIMM=m.
Fixes: d6481a7195df ("powerpc/configs: Add PAPR_SCM to pseries_defconfig")
Signed-off-by: Michael Ellerman
---
On Wed, Aug 31, 2022 at 02:02:48PM +, cgel@gmail.com wrote:
> From: Jinpeng Cui
>
> Return value directly from set_msg_len() instead of
> getting value from redundant variable rc.
>
> Reported-by: Zeal Robot
> Signed-off-by: Jinpeng Cui
Reviewed-by: Breno Leitao
> ---
>
On Wed, Aug 31, 2022 at 3:30 PM Michael Ellerman wrote:
>
> Joe Lawrence writes:
> > On Tue, Aug 30, 2022 at 11:53:13AM -0700, Song Liu wrote:
> >> From: Miroslav Benes
> >>
> >> Josh reported a bug:
> >>
> >> When the object to be patched is a module, and that module is
> >> rmmod'ed and
Hi!
On Tue, Aug 30, 2022 at 09:10:02AM +, Christophe Leroy wrote:
> Le 30/08/2022 à 11:01, Nicholas Piggin a écrit :
> > On Tue Aug 30, 2022 at 3:24 PM AEST, Christophe Leroy wrote:
> >>> This is still slightly concerning to me. Is there any guarantee that the
> >>> compiler would not use a
Joe Lawrence writes:
> On Tue, Aug 30, 2022 at 11:53:13AM -0700, Song Liu wrote:
>> From: Miroslav Benes
>>
>> Josh reported a bug:
>>
>> When the object to be patched is a module, and that module is
>> rmmod'ed and reloaded, it fails to load with:
>>
>> module: x86/modules: Skipping
On Wed, Aug 31, 2022 at 10:05:43AM -0700, Song Liu wrote:
> On Wed, Aug 31, 2022 at 1:01 AM Christophe Leroy
> wrote:
> >
> >
> >
> > Le 30/08/2022 à 20:53, Song Liu a écrit :
> > > From: Miroslav Benes
> > >
> > > Josh reported a bug:
> > >
> > >When the object to be patched is a module,
On 2022-08-30 17:28, Christian Göttsche wrote:
> Enable the new added extended attribute related syscalls.
>
> Signed-off-by: Christian Göttsche
I can't speak to the completeness of the arch list, but I'm glad to see
the audit attr change bits in there.
> ---
> TODO:
> - deprecate
On Tue, Aug 30, 2022 at 11:53:13AM -0700, Song Liu wrote:
> From: Miroslav Benes
>
> Josh reported a bug:
>
> When the object to be patched is a module, and that module is
> rmmod'ed and reloaded, it fails to load with:
>
> module: x86/modules: Skipping invalid relocation target,
On Thu, Aug 18, 2022 at 11:00 PM Wolfram Sang
wrote:
>
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
>
> Link:
>
On Wed, Aug 31, 2022 at 12:50:07PM +, Christophe Leroy wrote:
> Le 29/08/2022 à 07:52, Sathvika Vasireddy a écrit :
> > + opcode = insn >> 26;
> > +
> > + switch (opcode) {
> > + case 18: /* bl */
>
> case 18 is more than 'bl', it includes also 'b'.
> In both cases, the calculation of
Le 31/08/2022 à 19:05, Song Liu a écrit :
> On Wed, Aug 31, 2022 at 1:01 AM Christophe Leroy
> wrote:
>>
>>
>>
>> Le 30/08/2022 à 20:53, Song Liu a écrit :
>>> From: Miroslav Benes
>>>
>>> Josh reported a bug:
>>>
>>> When the object to be patched is a module, and that module is
>>>
On Wed, Aug 31, 2022 at 1:01 AM Christophe Leroy
wrote:
>
>
>
> Le 30/08/2022 à 20:53, Song Liu a écrit :
> > From: Miroslav Benes
> >
> > Josh reported a bug:
> >
> >When the object to be patched is a module, and that module is
> >rmmod'ed and reloaded, it fails to load with:
> >
> >
When building with a recent version of clang, there are a couple of
errors around the call to module_init():
arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier missing,
defaults to 'int'; ISO C99 and later do not support implicit int
[-Wimplicit-int]
From: Jinpeng Cui
Return value directly from set_msg_len() instead of
getting value from redundant variable rc.
Reported-by: Zeal Robot
Signed-off-by: Jinpeng Cui
---
drivers/crypto/nx/nx-aes-ccm.c | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git
Le 31/08/2022 à 14:26, Nicholas Piggin a écrit :
> Allow PTE changes to avoid flushing the TLB when access permissions are
> being relaxed, the dirty bit is being set, and the accessed bit is being
> changed.
>
> Relaxing access permissions and setting dirty and accessed bits do not
> require a
On Thu, 18 Aug 2022 22:59:46 +0200, Wolfram Sang wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
>
>
Applied to powerpc/next.
[1/1] powerpc: move from strlcpy with
On Thu, 18 Aug 2022 23:00:26 +0200, Wolfram Sang wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
>
>
Applied to powerpc/next.
[1/1] macintosh: move from strlcpy
On Wed, 24 Aug 2022 10:21:27 +0200, Wolfram Sang wrote:
> There were two DTs left specifying "spidev" directly. Remove them.
>
> Wolfram Sang (2):
> ARM: dts: stm32: argon: remove spidev node
> powerpc/82xx: remove spidev node from mgcoge
>
> arch/arm/boot/dts/stm32mp157c-emstamp-argon.dtsi
On Wed, 17 Aug 2022 15:06:39 +1000, Russell Currey wrote:
> Add support for execute-only memory (XOM) for the Radix MMU by using an
> execute-only mapping, as opposed to the RX mapping used by powerpc's
> other MMUs.
>
> The Hash MMU already supports XOM through the execute-only pkey,
> which is
On Wed, 3 Aug 2022 16:32:28 +1000, Michael Ellerman wrote:
> Add the NXP (nee Freescale) e5500 and e6500 to the ISA versions
> documentation.
>
>
Applied to powerpc/next.
[1/1] powerpc: Update ISA versions to mention e5500/e6500
On Thu, 18 Aug 2022 15:06:59 +1000, Michael Ellerman wrote:
> The definitions for the patch sites etc. don't belong in
> asm-prototypes.h, they are not EXPORT'ed asm symbols.
>
> Move them into sections.h which is traditionally used for asm symbols.
>
>
Applied to powerpc/next.
[1/1] powerpc:
On Fri, 19 Aug 2022 21:05:56 +1000, Michael Ellerman wrote:
> The last use of dummy.c was dropped in commit 2bf118197cb4 ("[POWERPC]
> Create a "wrapper" script and use it in arch/powerpc/boot").
>
>
Applied to powerpc/next.
[1/1] powerpc/boot: Drop unused dummy.c
On Fri, 19 Aug 2022 21:04:30 +1000, Michael Ellerman wrote:
> These files are all plain GPL 2.0, with a second sentence about being
> licensed as-is.
>
> Similar to the rule in commit 577b61cee5b2 ("treewide: Replace GPLv2
> boilerplate/reference with SPDX - gpl-2.0_398.RULE").
>
>
> [...]
On Thu, 4 Aug 2022 11:27:08 +0930, Joel Stanley wrote:
> Enable the LiteX MMC device and it's dependency the common clock
> framework.
>
>
Applied to powerpc/next.
[1/1] powerpc/microwatt: Add LiteX MMC driver
https://git.kernel.org/powerpc/c/0b9e534fcbf0a45e2ba08467de08a848a99ba2d6
On Thu, 18 Aug 2022 19:31:25 +0200, Christophe Leroy wrote:
> PPC64 removed default mapping address from VDSO in
> commit 30d0b3682887 ("powerpc: Move 64bit VDSO to improve context
> switch performance").
>
> Do like PPC64 and let get_unmapped_area() place the VDSO mapping
> at the address it
On Fri, 19 Aug 2022 16:23:43 +0200, Christophe Leroy wrote:
> rtas_size and rtas_data are not used anymore since at least
> commit 7c8c6b9776fb ("powerpc: Merge lmb.c and make MM initialization
> use it.")
>
> Remove them.
>
> Since commit 4b74a35fc7e9 ("powerpc/32s: Make Hash var static")
> the
On Fri, 19 Aug 2022 16:26:49 +0200, Christophe Leroy wrote:
> calc_cam_sz() is used only in fsl_book3e.c, make it static.
>
>
Applied to powerpc/next.
[1/1] powerpc/fsl_booke: Make calc_cam_sz() static
https://git.kernel.org/powerpc/c/f7d5f00702e2da656b2a8f975fdaa0d48329de36
cheers
Le 31/08/2022 à 15:10, Michael Ellerman a écrit :
> This reverts commit ef5b570d3700fbb8628a58da0487486ceeb713cd.
>
> Zhouyi reported that commit is causing crashes when running rcutorture
> with KASAN enabled:
>
>BUG: using smp_processor_id() in preemptible [] code:
>
On Sun, 21 Aug 2022 01:51:29 +0900, Masahiro Yamada wrote:
> Christophe Leroy reported that commit 7b4537199a4a ("kbuild: link
> symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS") broke
> mpc85xx_defconfig + CONFIG_RELOCATABLE=y.
>
> LD vmlinux
> SYSMAP System.map
>
On Tue, 23 Aug 2022 21:59:51 +1000, Michael Ellerman wrote:
> This reverts commit 79b74a68486765a4fe685ac4069bc71366c538f5.
>
> It broke booting on IBM Cell machines when the kernel is also built with
> CONFIG_PPC_PS3=y.
>
> That's because FW_FEATURE_NATIVE_ALWAYS = 0 does have an important
>
On Sat, 20 Aug 2022 13:51:13 +0200, Pali Rohár wrote:
> On 32-bit powerpc systems with more PCIe controllers and more PCI domains,
> where on more PCI domains are same PCI numbers, when kernel is compiled
> with CONFIG_PROC_FS=y and CONFIG_PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT=y
> options, kernel
On Thu, 4 Aug 2022 13:18:52 +0530, Kajol Jain wrote:
> Commit 4c08d4bbc089 ("powerpc/papr_scm: Add perf interface support")
> added performance monitoring support for papr-scm nvdimm devices via
> perf interface. Commit also added an array in papr_scm_priv
> structure called "nvdimm_events_map",
This reverts commit ef5b570d3700fbb8628a58da0487486ceeb713cd.
Zhouyi reported that commit is causing crashes when running rcutorture
with KASAN enabled:
BUG: using smp_processor_id() in preemptible [] code:
rcu_torture_rea/100
caller is rcu_preempt_deferred_qs_irqrestore+0x74/0xed0
Le 29/08/2022 à 07:52, Sathvika Vasireddy a écrit :
> This patch enables objtool --mcount on powerpc, and
> adds implementation specific to powerpc.
>
> Signed-off-by: Sathvika Vasireddy
> ---
> arch/powerpc/Kconfig | 1 +
> tools/objtool/arch/powerpc/decode.c
Allow PTE changes to avoid flushing the TLB when access permissions are
being relaxed, the dirty bit is being set, and the accessed bit is being
changed.
Relaxing access permissions and setting dirty and accessed bits do not
require a flush because the MMU will re-load the PTE and notice the
Le 31/08/2022 à 02:44, Jilin Yuan a écrit :
> Delete the redundant word 'that'.
>
> Signed-off-by: Jilin Yuan
This change was already proposed and rejected here :
https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20220724062920.1551-1-wangjia...@cdjrlc.com/
Please study history before
wii_memory_fixups() is not called anymore, remove it.
Also remove left-overs in mmu_decl.h which were forgotten by
commit 160985f3025b ("powerpc/wii: remove wii_mmu_mapin_mem2()")
Signed-off-by: Christophe Leroy
---
arch/powerpc/mm/mmu_decl.h | 8
A comment about the reservation of gigantic pages was left in MMU_init()
after commit 79cc38ded1e1 ("powerpc/mm/hugetlb: Add support for
reserving gigantic huge pages via kernel command line")
Remove it.
Signed-off-by: Christophe Leroy
---
arch/powerpc/mm/init_32.c | 4
1 file changed, 4
Since commit 9e849f231c3c ("powerpc/mm/32s: use generic mmu_mapin_ram()
for all blocks.") it is possible to map all blocks as RAM on any PPC32.
Remove related restrictions.
And remove call to wii_memory_fixups() which doesn't do anything else
than checks since commit 160985f3025b ("powerpc/wii:
This driver for the PPC Freescale SoC is using device tree
accessors and imperative GPIO semantics control using the old
GPIO API, switch it over to use GPIO descriptors.
Cc: Li Yang
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Zhao Qiang
Cc: Guilherme Maciel Ferreira
Signed-off-by: Linus Walleij
This new optional priority property allows to specify custom priority level
of reset device. Prior this change priority level was hardcoded to 192 and
not possible to specify or change. Specifying other value is needed for
some boards. Default level when not specified stays at 192 as before.
Read new optional device tree property priority for specifying priority
level of reset handler. Default value is 192 as before.
Signed-off-by: Pali Rohár
---
drivers/power/reset/syscon-reboot.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git
Due to CPLD firmware bugs, set CPLD syscon-reboot priority level to 64
(between rstcr and watchdog) to ensure that rstcr's global-utilities reset
method which is preferred stay as default one, and to ensure that CPLD
syscon-reboot is more preferred than watchdog reset method.
Fixes: 0531a4abd1c6
Le 30/08/2022 à 20:53, Song Liu a écrit :
> From: Miroslav Benes
>
> Josh reported a bug:
>
>When the object to be patched is a module, and that module is
>rmmod'ed and reloaded, it fails to load with:
>
>module: x86/modules: Skipping invalid relocation target, existing value is
On 31/08/2022 10:36, Pali Rohár wrote:
> On Wednesday 31 August 2022 10:31:22 Krzysztof Kozlowski wrote:
>> On 31/08/2022 02:00, Pali Rohár wrote:
>>> This new optional priority property allows to specify custom priority level
>>> of reset device. Default level was always 192.
>>
>> You still did
On Wednesday 31 August 2022 10:31:22 Krzysztof Kozlowski wrote:
> On 31/08/2022 02:00, Pali Rohár wrote:
> > This new optional priority property allows to specify custom priority level
> > of reset device. Default level was always 192.
>
> You still did not explain why do we need this. You only
On Wed, Aug 31, 2022, at 1:00 AM, Pali Rohár wrote:
> a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
> b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
> index da2509724812..4c8b0d0a0111 100644
> ---
On 31/08/2022 02:00, Pali Rohár wrote:
> This new optional priority property allows to specify custom priority level
> of reset device. Default level was always 192.
You still did not explain why do we need this. You only explained what
you did here, which is obvious and visible from the diff.
"Nicholas Piggin" writes:
> On Mon Aug 29, 2022 at 3:52 PM AEST, Sathvika Vasireddy wrote:
>> Powerpc instructions must be word-aligned. Currently,
>> there is an alignment of 16 bytes (by default), and it is
>> much more than what is required for powerpc (4 bytes).
>>
>> The default expansion of
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