On Tue, 8 Jun 2021 23:46:05 +1000, Michael Ellerman wrote:
> In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
> to minimise uaccess switches") the 64-bit signal code was rearranged to
> use user_write_access_begin/end().
>
> As part of that change the call to
Excerpts from Christophe Leroy's message of June 14, 2021 5:22 pm:
>
>
> Le 14/06/2021 à 07:55, Nicholas Piggin a écrit :
>> Excerpts from Christophe Leroy's message of June 14, 2021 3:31 pm:
>>>
>>>
>>> Le 14/06/2021 à 03:29, Nicholas Piggin a écrit :
Excerpts from Nicholas Piggin's
Nicholas Piggin writes:
> Excerpts from Nicholas Piggin's message of June 14, 2021 10:47 am:
>> Excerpts from Michael Ellerman's message of June 8, 2021 11:46 pm:
>>> In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
>>> to minimise uaccess switches") the 64-bit signal code
Nicholas Piggin writes:
> Excerpts from Michael Ellerman's message of June 8, 2021 11:46 pm:
>> In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
>> to minimise uaccess switches") the 64-bit signal code was rearranged to
>> use user_write_access_begin/end().
>>
>> As part
Le 14/06/2021 à 07:55, Nicholas Piggin a écrit :
Excerpts from Christophe Leroy's message of June 14, 2021 3:31 pm:
Le 14/06/2021 à 03:29, Nicholas Piggin a écrit :
Excerpts from Nicholas Piggin's message of June 14, 2021 10:47 am:
Excerpts from Michael Ellerman's message of June 8, 2021
Excerpts from Christophe Leroy's message of June 14, 2021 3:31 pm:
>
>
> Le 14/06/2021 à 03:29, Nicholas Piggin a écrit :
>> Excerpts from Nicholas Piggin's message of June 14, 2021 10:47 am:
>>> Excerpts from Michael Ellerman's message of June 8, 2021 11:46 pm:
In commit 96d7a4e06fab
Le 14/06/2021 à 03:29, Nicholas Piggin a écrit :
Excerpts from Nicholas Piggin's message of June 14, 2021 10:47 am:
Excerpts from Michael Ellerman's message of June 8, 2021 11:46 pm:
In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
to minimise uaccess switches") the
Excerpts from Nicholas Piggin's message of June 14, 2021 10:47 am:
> Excerpts from Michael Ellerman's message of June 8, 2021 11:46 pm:
>> In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
>> to minimise uaccess switches") the 64-bit signal code was rearranged to
>> use
Excerpts from Michael Ellerman's message of June 8, 2021 11:46 pm:
> In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
> to minimise uaccess switches") the 64-bit signal code was rearranged to
> use user_write_access_begin/end().
>
> As part of that change the call to
In commit 96d7a4e06fab ("powerpc/signal64: Rewrite handle_rt_signal64()
to minimise uaccess switches") the 64-bit signal code was rearranged to
use user_write_access_begin/end().
As part of that change the call to copy_siginfo_to_user() was moved
later in the function, so that it could be done
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