Messages in this thread Patch in this message | | | Date | Fri, 4 Oct 2002 16:03:34 -0700 | From | "Matt D. Robinson" <> | Subject | [PATCH] 2.5.40: lkcd (1/9): dump vector |
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This is the DUMP_VECTOR interrupt addition.
diff -urN -X /home/bharata/dontdiff linux-2.5.40/arch/i386/kernel/smp.c linux-2.5.40+lkcd/arch/i386/kernel/smp.c --- linux-2.5.40/arch/i386/kernel/smp.c Tue Oct 1 12:36:17 2002 +++ linux-2.5.40+lkcd/arch/i386/kernel/smp.c Thu Oct 3 07:29:17 2002 @@ -19,6 +19,7 @@ #include <linux/mc146818rtc.h> #include <linux/cache.h> #include <linux/interrupt.h> +#include <linux/dump.h> #include <asm/mtrr.h> #include <asm/pgalloc.h> @@ -143,6 +144,13 @@ */ cfg = __prepare_ICR(shortcut, vector); + if (vector == DUMP_VECTOR) { + /* + * Setup DUMP IPI to be delivered as an NMI + */ + cfg = (cfg&~APIC_VECTOR_MASK)|APIC_DM_NMI; + } + /* * Send the IPI. The write to APIC_ICR fires this off. */ @@ -504,6 +512,11 @@ do_flush_tlb_all_local(); } +void dump_send_ipi(void) +{ + send_IPI_allbutself(DUMP_VECTOR); +} + /* * this function sends a 'reschedule' IPI to another CPU. * it goes straight through and wastes no time serializing diff -urN -X /home/bharata/dontdiff linux-2.5.40/arch/i386/mach-generic/irq_vectors.h linux-2.5.40+lkcd/arch/i386/mach-generic/irq_vectors.h --- linux-2.5.40/arch/i386/mach-generic/irq_vectors.h Tue Oct 1 12:36:25 2002 +++ linux-2.5.40+lkcd/arch/i386/mach-generic/irq_vectors.h Thu Oct 3 07:18:35 2002 @@ -48,6 +48,7 @@ #define INVALIDATE_TLB_VECTOR 0xfd #define RESCHEDULE_VECTOR 0xfc #define CALL_FUNCTION_VECTOR 0xfb +#define DUMP_VECTOR 0xfa #define THERMAL_APIC_VECTOR 0xf0 /* - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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