| To: | ralf@linux-mips.org |
|---|---|
| Subject: | [PATCH] MIPS:CMP Fix physical core number calculation logic |
| From: | jerin jacob <jerinjacobk@gmail.com> |
| Date: | Thu, 11 Oct 2012 22:18:51 +0530 |
| Cc: | jerin jacob <jerinjacobk@gmail.com>, linux-mips@linux-mips.org |
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CPUNum Field in EBase register is 10bit wide, so after 1 bit right shift, mask
value should be 0x1ff
Signed-off-by: jerin jacob <jerinjacobk@gmail.com>
---
arch/mips/kernel/smp-cmp.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index afc379c..06cd0c6 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -97,7 +97,7 @@ static void cmp_init_secondary(void)
/* Enable per-cpu interrupts: platform specific */
- c->core = (read_c0_ebase() >> 1) & 0xff;
+ c->core = (read_c0_ebase() >> 1) & 0x1ff;
#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE;
#endif
--
1.7.6.5
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