lkml.org 
[lkml]   [2017]   [Jan]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] crypto: camellia: add missing declarations
On Mon, Jan 23, 2017 at 10:02:37PM +0800, Herbert Xu wrote:
> On Mon, Jan 16, 2017 at 05:06:51PM +0100, Nicholas Mc Guire wrote:
> > Add declarations for the camellia substitution box to allow a clean build.
> >
> > Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
> > ---
> > Problem reported by sparse
> > arch/x86/crypto/camellia_glue.c:65:21: warning: symbol 'camellia_sp10011110' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:154:21: warning: symbol 'camellia_sp22000222' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:243:21: warning: symbol 'camellia_sp03303033' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:332:21: warning: symbol 'camellia_sp00444404' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:421:21: warning: symbol 'camellia_sp02220222' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:510:21: warning: symbol 'camellia_sp30333033' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:599:21: warning: symbol 'camellia_sp44044404' was not declared. Should it be static?
> > arch/x86/crypto/camellia_glue.c:688:21: warning: symbol 'camellia_sp11101110' was not declared. Should it be static?
> >
> > Patch was compile tested with: x86_64_defconfig +
> > CONFIG_CRYPTO_CAMELLIA_X86_64=m
> >
> > Patch is against 4.10-rc3 (localversion-next is next-20170116)
>
> This is arguably a sparse bug. These variables are only referenced
> by assembly code and already carries the __visible tag. So sparse
> should learn to suppress this warning when __visible is present.

I had assumed that __visible only would apply to LTO not to non-LTO
builds so the externally_visible attributed would not resolve this
and thus this warning seems correct.

Is this interpretation incorect ?

thx!
hofrat

\
 
 \ /
  Last update: 2017-01-27 11:04    [W:0.041 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site