* Jarek Poplawski <jarkao2@xxxxx> 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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