From 9062d888aa448318e38792b6879a795dd10adda4 Mon Sep 17 00:00:00 2001 From: "Fernando Luis [** ISO-8859-1 charset **] VázquezCao" Date: Wed, 2 May 2007 19:27:18 +0200 Subject: [PATCH] x86-64: __send_IPI_dest_field - x86_64 Implement __send_IPI_dest_field which can be used to send IPIs when the "destination shorthand" field of the ICR is set to 00 (destination field). Use it whenever possible. Signed-off-by: Fernando Luis Vazquez Cao Signed-off-by: Andi Kleen --- arch/x86_64/kernel/genapic_flat.c | 23 +---------------------- 1 file changed, 1 insertion(+), 22 deletions(-) (limited to 'arch/x86_64/kernel/genapic_flat.c') diff --git a/arch/x86_64/kernel/genapic_flat.c b/arch/x86_64/kernel/genapic_flat.c index 9e0a552f0e4a..01d3939e3a9c 100644 --- a/arch/x86_64/kernel/genapic_flat.c +++ b/arch/x86_64/kernel/genapic_flat.c @@ -61,31 +61,10 @@ static void flat_init_apic_ldr(void) static void flat_send_IPI_mask(cpumask_t cpumask, int vector) { unsigned long mask = cpus_addr(cpumask)[0]; - unsigned long cfg; unsigned long flags; local_irq_save(flags); - - /* - * Wait for idle. - */ - apic_wait_icr_idle(); - - /* - * prepare target chip field - */ - cfg = __prepare_ICR2(mask); - apic_write(APIC_ICR2, cfg); - - /* - * program the ICR - */ - cfg = __prepare_ICR(0, vector, APIC_DEST_LOGICAL); - - /* - * Send the IPI. The write to APIC_ICR fires this off. - */ - apic_write(APIC_ICR, cfg); + __send_IPI_dest_field(mask, vector, APIC_DEST_LOGICAL); local_irq_restore(flags); } -- cgit v1.2.3-59-g8ed1b