Commit 9a06c3b1 authored Nov 17, 2006 by Adrian Cox Committed by Paul Mackerras Dec 04, 2006

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



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>

parent 35af89eb

arch/powerpc/kernel/smp-tbsync.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;