Michael Ellerman's on September 5, 2019 2:14 pm:
> Nicholas Piggin writes:
>> System call entry and particularly exit code is beyond the limit of what
>> is reasonable to implement in asm.
>>
>> This conversion moves all conditional branches out of the asm code,
>> except for the case that all GPR
Nicholas Piggin writes:
> System call entry and particularly exit code is beyond the limit of what
> is reasonable to implement in asm.
>
> This conversion moves all conditional branches out of the asm code,
> except for the case that all GPRs should be restored at exit.
>
> Null syscall test is a
System call entry and particularly exit code is beyond the limit of what
is reasonable to implement in asm.
This conversion moves all conditional branches out of the asm code,
except for the case that all GPRs should be restored at exit.
Null syscall test is about 5% faster after this patch, beca
