Re: [PATCH 2/2] Compiler Attributes: naked can be shared

[Miguel Ojeda]

On Tue, Sep 18, 2018 at 9:30 AM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, Sep 17, 2018 at 08:19:50PM -0700, Stefan Agner wrote:
>> On 13.09.2018 16:59, Miguel Ojeda wrote:
>> > The naked attribute is supported by at least gcc >= 4.6 (for ARM,
>> > which is the only current user), gcc >= 8 (for x86), clang >= 3.1
>> > and icc >= 13. See https://godbolt.org/z/350Dyc
>> >
>> > Therefore, move it out of compiler-gcc.h so that the definition
>> > is shared by all compilers.
>> >
>> > This also fixes Clang support for ARM32 --- 815f0ddb346c
>> > ("include/linux/compiler*.h: make compiler-*.h mutually exclusive").
>> >
>> > Cc: Stefan Agner <stefan@xxxxxxxx>
>> > Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
>> > Cc: Eli Friedman <efriedma@xxxxxxxxxxxxxx>
>> > Cc: Christopher Li <sparse@xxxxxxxxxxx>
>> > Cc: Kees Cook <keescook@xxxxxxxxxxxx>
>> > Cc: Ingo Molnar <mingo@xxxxxxxxxx>
>> > Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> > Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
>> > Cc: Joe Perches <joe@xxxxxxxxxxx>
>> > Cc: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
>> > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
>> > Cc: linux-sparse@xxxxxxxxxxxxxxx
>> > Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
>> > Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
>> > Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
>> > Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
>>
>> Reviewed-by: Stefan Agner <stefan@xxxxxxxx>
>>
>> Ideally this two patches should go into v4.19. Not sure which path the patch should take, MAINTAINERS is not quite clear about that. This fixes 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h mutually exclusive") for ARM32, which has been merged directly by
>> Linus, afaict...
>
> Good point, can you resend these to me with all of the acks added so
> far?

Sure (I think only Stefan is the added ack, though).

Cheers,
Miguel