Re: 2.6.23-rc2: WARNING: at kernel/irq/resend.c:70 check_irq_resend()

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* Jarek Poplawski <[email protected]> wrote:

> Ingo: I think, you have to do this in x86_64, and there is probably 
> send_IPI_mask used for this (but I can miss something...).

indeed - full patch below.

	Ingo

---
 arch/i386/kernel/io_apic.c   |    3 ++-
 arch/x86_64/kernel/genapic.c |    3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

Index: linux/arch/i386/kernel/io_apic.c
===================================================================
--- linux.orig/arch/i386/kernel/io_apic.c
+++ linux/arch/i386/kernel/io_apic.c
@@ -735,7 +735,8 @@ void fastcall send_IPI_self(int vector)
 	 * Wait for idle.
 	 */
 	apic_wait_icr_idle();
-	cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL;
+	cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL |
+		APIC_INT_LEVELTRIG;
 	/*
 	 * Send the IPI. The write to APIC_ICR fires this off.
 	 */
Index: linux/arch/x86_64/kernel/genapic.c
===================================================================
--- linux.orig/arch/x86_64/kernel/genapic.c
+++ linux/arch/x86_64/kernel/genapic.c
@@ -62,5 +62,6 @@ void __init setup_apic_routing(void)
 
 void send_IPI_self(int vector)
 {
-	__send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL);
+	__send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL |
+			    APIC_INT_LEVELTRIG);
 }
-
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