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[POWERPC] Fix wraparound problem in smp-tbsync on 32-bit

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The patch below fixes an arithmetic wrap-around issue on 32bit machines
using smp-tbsync. Without this patch a timebase value over
0x000000007fffffff will hang the boot process while bringing up
secondary CPUs.

Signed-off-by: Adrian Cox <adrian@humboldt.co.uk>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Adrian Cox 2006-11-17 14:35:48 +00:00 committed by Paul Mackerras
parent 35af89eb49
commit 9a06c3b176
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kernel/smp-tbsync.c
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@ -78,7 +78,7 @@ static int __devinit start_contest(int cmd, long offset, int num)
{
int i, score=0;
u64 tb;
long mark;
u64 mark;
tbsync->cmd = cmd;