Le 08/09/2022 à 15:48, Segher Boessenkool a écrit :
> On Thu, Sep 08, 2022 at 06:00:24AM +, Christophe Leroy wrote:
>> Looking at it more deeply, I see strange things.
>
> I'll have to see full generated machine code to be able to see strange
> things, there isn't enough information at all h
Hi!
On Thu, Sep 08, 2022 at 05:07:24PM +0200, Arnd Bergmann wrote:
> - if the XOR code has its frame size explode like this, it's
> probably an indication of the compiler doing something wrong,
> not the kernel code.
On the contrary, it is most likely an indication that the kernel code
wants
On Thu, Sep 8, 2022, at 2:27 AM, Michael Ellerman wrote:
> Christophe Leroy writes:
>
> Yeah that would make some sense.
>
> On 64-bit the largest frame in that file is 1424, which is below the
> default 2048 byte limit.
>
> So maybe just increase it for 32-bit && KASAN.
>
> What would be nice is
On Thu, Sep 08, 2022 at 06:00:24AM +, Christophe Leroy wrote:
> Looking at it more deeply, I see strange things.
I'll have to see full generated machine code to be able to see strange
things, there isn't enough information at all here yet. Sorry.
Use private mail if it is too big or unintere
Le 08/09/2022 à 02:27, Michael Ellerman a écrit :
> Christophe Leroy writes:
>> Le 21/06/2019 à 10:58, Mathieu Malaterre a écrit :
>>> When building with clang-8 the frame size limit is hit:
>>>
>>> ../arch/powerpc/lib/xor_vmx.c:119:6: error: stack frame size of 1200
>>> bytes in function '
Christophe Leroy writes:
> Le 21/06/2019 à 10:58, Mathieu Malaterre a écrit :
>> When building with clang-8 the frame size limit is hit:
>>
>>../arch/powerpc/lib/xor_vmx.c:119:6: error: stack frame size of 1200
>> bytes in function '__xor_altivec_5' [-Werror,-Wframe-larger-than=]
>>
>> Foll
Le 21/06/2019 à 10:58, Mathieu Malaterre a écrit :
When building with clang-8 the frame size limit is hit:
../arch/powerpc/lib/xor_vmx.c:119:6: error: stack frame size of 1200 bytes
in function '__xor_altivec_5' [-Werror,-Wframe-larger-than=]
Follow the same approach as commit 9c87156cce
When building with clang-8 the frame size limit is hit:
../arch/powerpc/lib/xor_vmx.c:119:6: error: stack frame size of 1200 bytes in
function '__xor_altivec_5' [-Werror,-Wframe-larger-than=]
Follow the same approach as commit 9c87156cce5a ("powerpc/xmon: Relax
frame size for clang") until a p
