[PATCH 2/2] x86-64/swapcontext: Restore the pointer into %rdx after syscall

[H.J. Lu]

On Sun, Apr 29, 2018 at 2:10 PM, Florian Weimer <fweimer@redhat.com> wrote:
> On 04/26/2018 02:17 PM, H.J. Lu wrote:
>>
>> +       /* Restore destroyed register into RDX which is preserved by
>> +          the syscall.  */
>> +       movq    %r12, %rdx
>
>
> Again, this comment does not make sense without the other upcoming changes.
>

Here is the patch to use it:

https://github.com/hjl-tools/glibc/commit/182ce0987aada98b2d606276d4aa4fbd2527031b

-- 
H.J.