linux-kernel - Re: [PATCH 12/16] asm-generic: siginfo: remove obsolete #ifdefs

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Date:   Thu, 15 Mar 2018 05:06:29 -0500
From:   ebiederm@...ssion.com (Eric W. Biederman)
To:     Arnd Bergmann <arnd@...db.de>
Cc:     linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        Al Viro <viro@...iv.linux.org.uk>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 12/16] asm-generic: siginfo: remove obsolete #ifdefs

Arnd Bergmann <arnd@...db.de> writes:

> The frv, tile and blackfin architectures are being removed, so
> we can clean up this header by removing all the special cases
> except those for ia64.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  include/uapi/asm-generic/siginfo.h | 36 ++----------------------------------
>  1 file changed, 2 insertions(+), 34 deletions(-)
>

If I am reading siginfo.h correctly after this cleanup patch
we can perform another cleanup and unconditionally define
all of the ia64 si_codes except for __SEGV_PSTKOVF which
aliases SEGV_PKUERR.

Which has the advantage that no one is tempted to define any further
aliased si_codes.

Eric