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authorSuresh Siddha <suresh.b.siddha@intel.com>2009-01-13 18:43:03 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-14 08:51:06 +0100
commita4a0acf8e17e3d08e28b721ceceb898fbc959ceb (patch)
treea26542ccfc55e1cb330662da63e70d0d24ace4cf
parent28e08861b9afab4168b758fb7b95aa7a4da0f668 (diff)
x86: fix broken flush_tlb_others_ipi()
This commit broke flush_tlb_others_ipi() causing boot hangs on a 16 logical cpu system: > commit 4595f9620cda8a1e973588e743cf5f8436dd20c6 > Author: Rusty Russell <rusty@rustcorp.com.au> > Date: Sat Jan 10 21:58:09 2009 -0800 > > x86: change flush_tlb_others to take a const struct cpumask This change resulted in sending the invalidate tlb vector to the sender itself causing the hang. flush_tlb_others_ipi() should exclude the sender itself from the destination list. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/tlb_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/tlb_64.c b/arch/x86/kernel/tlb_64.c
index 7a3f9891302..54ee2ecb5e2 100644
--- a/arch/x86/kernel/tlb_64.c
+++ b/arch/x86/kernel/tlb_64.c
@@ -188,7 +188,7 @@ static void flush_tlb_others_ipi(const struct cpumask *cpumask,
* We have to send the IPI only to
* CPUs affected.
*/
- send_IPI_mask(cpumask, INVALIDATE_TLB_VECTOR_START + sender);
+ send_IPI_mask(f->flush_cpumask, INVALIDATE_TLB_VECTOR_START + sender);
while (!cpumask_empty(to_cpumask(f->flush_cpumask)))
cpu_relax();