The patch titled
kernel/sys.c: fix compat uname machine
has been added to the -mm tree. Its filename is
kernel-sysc-fix-compat-uname-machine.patch
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------------------------------------------------------
Subject: kernel/sys.c: fix compat uname machine
From: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
On ppc64 you get this error:
$ setarch ppc -R true
setarch: ppc: Unrecognized architecture
because uname still reports ppc64 as the machine.
So mask off the personality flags when checking for PER_LINUX32.
Signed-off-by: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sys.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/sys.c~kernel-sysc-fix-compat-uname-machine kernel/sys.c
--- a/kernel/sys.c~kernel-sysc-fix-compat-uname-machine
+++ a/kernel/sys.c
@@ -1118,7 +1118,7 @@ DECLARE_RWSEM(uts_sem);
#ifdef COMPAT_UTS_MACHINE
#define override_architecture(name) \
- (current->personality == PER_LINUX32 && \
+ (personality(current->personality) == PER_LINUX32 && \
copy_to_user(name->machine, COMPAT_UTS_MACHINE, \
sizeof(COMPAT_UTS_MACHINE)))
#else
_
Patches currently in -mm which might be from schwab@xxxxxxxxxxxxxx are
kernel-sysc-fix-compat-uname-machine.patch
vfs-o_-bit-numbers-uniqueness-check.patch
improve-sys_personality-for-compat-architectures.patch
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