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Re: [PATCH 06/15] mips64: Consolidate Linux sysdep.h
On 10/02/2020 19:48, Joseph Myers wrote:
> On Mon, 10 Feb 2020, Adhemerval Zanella wrote:
>
>> The mips64 Linux syscall macros only differs argument type and
>> the requirement of zero-extending values on n32. The headers
>
> It's sign-extension, not zero-extension (because that's the
> architecturally-defined rule for how 32-bit values must be represented in
> 64-bit registers for 32-bit instructions to work correctly - though
> current Linux kernels ensure syscall arguments are properly extended
> before they reach any C functions in the kernel).
>
Thanks, I corrected the patch description.