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| author | Zhang Zhuoyu <Zhuoyu.Zhang@freescale.com> | 2014-11-07 08:41:05 (GMT) |
|---|---|---|
| committer | Matthew Weigel <Matthew.Weigel@freescale.com> | 2014-12-11 18:40:46 (GMT) |
| commit | dec5da2ead58cd5d16dc0b2f975b9f1877bab703 (patch) | |
| tree | 96e6bfeed13ed927285fe03080a7e71207699ed6 | |
| parent | 848bd2ca142638debffb775b66b589709f5b9611 (diff) | |
| download | linux-fsl-qoriq-dec5da2ead58cd5d16dc0b2f975b9f1877bab703.tar.xz | |
powerpc/smp: fix cluster enter PCL10 issue when SMT disable on e6500
When CPU SMT feature disabled on e6500, cluster can't enter PCL10.
This patch fix it.
Signed-off-by: Zhang Zhuoyu <Zhuoyu.Zhang@freescale.com>
Change-Id: I362be661ceefd78e5d8b1d6f36331add4e9ef0af
Reviewed-on: http://git.am.freescale.net:8181/23341
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Hongtao Jia <hongtao.jia@freescale.com>
Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
| -rw-r--r-- | arch/powerpc/platforms/85xx/smp.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 81f6899..1c16f2b 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -405,15 +405,13 @@ static void init_cpu_cluster_map(void) { struct device_node *l2_cache, *np; int cpu, i; - char buf[20]; - ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf; - for_each_cpu(cpu, cpu_present_mask) { + for_each_cpu(cpu, cpu_online_mask) { l2_cache = cpu_to_l2cache(cpu); if (!l2_cache) continue; - for_each_cpu(i, cpu_present_mask) { + for_each_cpu(i, cpu_online_mask) { np = cpu_to_l2cache(i); if (!np) continue; @@ -424,7 +422,6 @@ static void init_cpu_cluster_map(void) of_node_put(np); } of_node_put(l2_cache); - cpumask_scnprintf(buf, len-2, cpu_cluster_mask(cpu)); } } |