From 6b64ee02da20d6c0d97115e0b1ab47f9fa2f0d8f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 30 Jan 2009 23:42:18 +0100 Subject: [PATCH] x86, apic, 32-bit: add self-IPI methods Impact: fix rare crash on 32-bit The 32-bit APIC drivers had their send_IPI_self vectors set to NULL, but ioapic_retrigger_irq() depends on it being always set. Fix it. Signed-off-by: Ingo Molnar --- arch/x86/kernel/bigsmp_32.c | 2 +- arch/x86/kernel/es7000_32.c | 2 +- arch/x86/kernel/numaq_32.c | 2 +- arch/x86/kernel/probe_32.c | 2 +- arch/x86/kernel/summit_32.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/bigsmp_32.c b/arch/x86/kernel/bigsmp_32.c index ab645c93a6e7..47a62f46afdb 100644 --- a/arch/x86/kernel/bigsmp_32.c +++ b/arch/x86/kernel/bigsmp_32.c @@ -252,7 +252,7 @@ struct genapic apic_bigsmp = { .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = bigsmp_send_IPI_allbutself, .send_IPI_all = bigsmp_send_IPI_all, - .send_IPI_self = NULL, + .send_IPI_self = default_send_IPI_self, .wakeup_cpu = NULL, .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c index b5b50e8b94a9..d6184c12a182 100644 --- a/arch/x86/kernel/es7000_32.c +++ b/arch/x86/kernel/es7000_32.c @@ -786,7 +786,7 @@ struct genapic apic_es7000 = { .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = es7000_send_IPI_allbutself, .send_IPI_all = es7000_send_IPI_all, - .send_IPI_self = NULL, + .send_IPI_self = default_send_IPI_self, .wakeup_cpu = NULL, diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c index c143b3292163..947748e17211 100644 --- a/arch/x86/kernel/numaq_32.c +++ b/arch/x86/kernel/numaq_32.c @@ -554,7 +554,7 @@ struct genapic apic_numaq = { .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = numaq_send_IPI_allbutself, .send_IPI_all = numaq_send_IPI_all, - .send_IPI_self = NULL, + .send_IPI_self = default_send_IPI_self, .wakeup_cpu = NULL, .trampoline_phys_low = NUMAQ_TRAMPOLINE_PHYS_LOW, diff --git a/arch/x86/kernel/probe_32.c b/arch/x86/kernel/probe_32.c index 3f12a4011822..22337b75de62 100644 --- a/arch/x86/kernel/probe_32.c +++ b/arch/x86/kernel/probe_32.c @@ -116,7 +116,7 @@ struct genapic apic_default = { .send_IPI_mask_allbutself = default_send_IPI_mask_allbutself_logical, .send_IPI_allbutself = default_send_IPI_allbutself, .send_IPI_all = default_send_IPI_all, - .send_IPI_self = NULL, + .send_IPI_self = default_send_IPI_self, .wakeup_cpu = NULL, .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c index ecb41b9d7aa0..1e733eff9b33 100644 --- a/arch/x86/kernel/summit_32.c +++ b/arch/x86/kernel/summit_32.c @@ -588,7 +588,7 @@ struct genapic apic_summit = { .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = summit_send_IPI_allbutself, .send_IPI_all = summit_send_IPI_all, - .send_IPI_self = NULL, + .send_IPI_self = default_send_IPI_self, .wakeup_cpu = NULL, .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, -- 2.34.1