diff --git a/arch/x86/kernel/apic/local.h b/arch/x86/kernel/apic/local.h index 69ba777cef98..04797f05ce94 100644 --- a/arch/x86/kernel/apic/local.h +++ b/arch/x86/kernel/apic/local.h @@ -23,6 +23,7 @@ unsigned int x2apic_get_apic_id(unsigned long id); u32 x2apic_set_apic_id(unsigned int id); int x2apic_phys_pkg_id(int initial_apicid, int index_msb); void x2apic_send_IPI_self(int vector); +void __x2apic_send_IPI_shorthand(int vector, u32 which); /* IPI */ diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index d0a13c88f777..45e92cba92f5 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -82,12 +82,12 @@ x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) static void x2apic_send_IPI_allbutself(int vector) { - __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT); + __x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLBUT); } static void x2apic_send_IPI_all(int vector) { - __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); + __x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLINC); } static u32 x2apic_calc_apicid(unsigned int cpu) diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 5d50e1f9d4bf..bc9693841353 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -75,12 +75,12 @@ static void static void x2apic_send_IPI_allbutself(int vector) { - __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT); + __x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLBUT); } static void x2apic_send_IPI_all(int vector) { - __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); + __x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLINC); } static void init_x2apic_ldr(void) @@ -112,6 +112,14 @@ void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) native_x2apic_icr_write(cfg, apicid); } +void __x2apic_send_IPI_shorthand(int vector, u32 which) +{ + unsigned long cfg = __prepare_ICR(which, vector, 0); + + x2apic_wrmsr_fence(); + native_x2apic_icr_write(cfg, 0); +} + unsigned int x2apic_get_apic_id(unsigned long id) { return id;