Messages in this thread Patch in this message | | | Date | Tue, 09 Apr 2013 18:51:09 +0800 | From | Zhenzhong Duan <> | Subject | [PATCH] xen: minor fix in apic ipi interface func |
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xen_send_IPI_mask_allbutself uses native vector as input other than xen_vector.
xen_send_IPI_one need to be called to pass xen_vector in xen_send_IPI_mask_allbutself.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com> --- arch/x86/xen/smp.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 09ea61d..bf27868 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -565,6 +565,10 @@ void xen_send_IPI_mask_allbutself(const struct cpumask *mask, { unsigned cpu; unsigned int this_cpu = smp_processor_id(); + int xen_vector = xen_map_vector(vector); + + if (xen_vector < 0) + return; if (!(num_online_cpus() > 1)) return; @@ -573,16 +577,13 @@ void xen_send_IPI_mask_allbutself(const struct cpumask *mask, if (this_cpu == cpu) continue; - xen_smp_send_call_function_single_ipi(cpu); + xen_send_IPI_one(cpu, xen_vector); } } void xen_send_IPI_allbutself(int vector) { - int xen_vector = xen_map_vector(vector); - - if (xen_vector >= 0) - xen_send_IPI_mask_allbutself(cpu_online_mask, xen_vector); + xen_send_IPI_mask_allbutself(cpu_online_mask, vector); } static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id) -- 1.7.3
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