Michael Ellerman writes:
> Michal Suchánek writes:
>> Hello,
>>
>> On Wed, Dec 11, 2019 at 08:37:21PM +1100, Daniel Axtens wrote:
>>> > Fixes: 14cf11af6cf6 ("powerpc: Merge enough to start building in
>>> > arch/powerpc.")
>>>
>>> Wow, that's pretty ancient! I'm also not sure it's right - in th
Michal Suchánek writes:
> Hello,
>
> On Wed, Dec 11, 2019 at 08:37:21PM +1100, Daniel Axtens wrote:
>> > Fixes: 14cf11af6cf6 ("powerpc: Merge enough to start building in
>> > arch/powerpc.")
>>
>> Wow, that's pretty ancient! I'm also not sure it's right - in that same
>> patch, arch/ppc64/mm/faul
Hello,
On Wed, Dec 11, 2019 at 08:37:21PM +1100, Daniel Axtens wrote:
> > Fixes: 14cf11af6cf6 ("powerpc: Merge enough to start building in
> > arch/powerpc.")
>
> Wow, that's pretty ancient! I'm also not sure it's right - in that same
> patch, arch/ppc64/mm/fault.c contains:
>
> ^1da177e4c3f4 (L
On Wed, 11 Dec 2019 12:43:37 +1100
Daniel Axtens wrote:
> If a process page-faults trying to write beyond the end of its
> stack, we attempt to grow the stack.
>
> However, if the kernel attempts to write beyond the end of a
> process's stack, it takes a bad fault. This can occur when the
> kern
> Fixes: 14cf11af6cf6 ("powerpc: Merge enough to start building in
> arch/powerpc.")
Wow, that's pretty ancient! I'm also not sure it's right - in that same
patch, arch/ppc64/mm/fault.c contains:
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 213)
if (address + 2048 <
On Wed, Dec 11, 2019 at 12:43:37PM +1100, Daniel Axtens wrote:
> If a process page-faults trying to write beyond the end of its
> stack, we attempt to grow the stack.
>
> However, if the kernel attempts to write beyond the end of a
> process's stack, it takes a bad fault. This can occur when the
>
