Re: [PATCH v2 2/2] Compiler Attributes: naked can be shared
From: Greg Kroah-Hartman
Date: Tue Sep 18 2018 - 13:37:29 EST
On Tue, Sep 18, 2018 at 06:55:42PM +0200, 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").
So, with this applied, does clang really build an arm32 kernel
successfully? No other problem at all? And this isn't really a
regression, arm32 never really worked with clang yet, right?