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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-05-21 13:16:44 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-05-21 13:16:44 -0400
commit791be9b976ba621b21745c30a7fca225fada9110 (patch)
tree9e3c8d3a0bbb0b614de7daac35f7452f077464fd /arch
parent706fdd9faaad5bd52c774190a54c0fd1dfc0f418 (diff)
[PATCH] ARM SMP: add IPI support
Add support for inter-processor interrupts to the main IRQ handling code. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/entry-armv.S14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 8ff82bc75eb1..a99e686c0b83 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -34,6 +34,20 @@
34 @ 34 @
35 adrne lr, 1b 35 adrne lr, 1b
36 bne asm_do_IRQ 36 bne asm_do_IRQ
37
38#ifdef CONFIG_SMP
39 /*
40 * XXX
41 *
42 * this macro assumes that irqstat (r6) and base (r5) are
43 * preserved from get_irqnr_and_base above
44 */
45 test_for_ipi r0, r6, r5, lr
46 movne r0, sp
47 adrne lr, 1b
48 bne do_IPI
49#endif
50
37 .endm 51 .endm
38 52
39/* 53/*