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powerpc: Add const qual to local_read() parameter

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A patch in net-next triggered a compile error on powerpc:

  include/linux/u64_stats_sync.h: In function 'u64_stats_read':
  include/asm-generic/local64.h:30:37: warning: passing argument 1 of 'local_read' discards 'const' qualifier from pointer target type

This seems reasonable to relax powerpc local_read() requirements.

Fixes: 316580b69d ("u64_stats: provide u64_stats_t type")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: kbuild test robot <lkp@intel.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> # build only
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
Eric Dumazet 2019-11-20 12:14:51 +11:00 committed by Jakub Kicinski
parent c98dfcd306
commit c392bccf2c
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/include/asm/local.h
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@ -17,7 +17,7 @@ typedef struct
#define LOCAL_INIT(i) { (i) }
static __inline__ long local_read(local_t *l)
static __inline__ long local_read(const local_t *l)
{
return READ_ONCE(l->v);
}