Commit-ID: a1ddc74a23c89ae236b163a3b0887f8c344aaa4a
Gitweb: http://git.kernel.org/tip/a1ddc74a23c89ae236b163a3b0887f8c344aaa4a
Author: Marc Zyngier <marc.zyngier@xxxxxxx>
AuthorDate: Tue, 26 Aug 2014 11:03:17 +0100
Committer: Jason Cooper <jason@xxxxxxxxxxxxxx>
CommitDate: Wed, 3 Sep 2014 12:58:13 +0000
arm64: Convert handle_IRQ to use __handle_domain_irq
In order to limit code duplication, convert the architecture specific
handle_IRQ to use the generic __handle_domain_irq function.
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Link: https://lkml.kernel.org/r/1409047421-27649-3-git-send-email-marc.zyngier@xxxxxxx
Signed-off-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
---
arch/arm64/Kconfig | 1 +
arch/arm64/kernel/irq.c | 18 +-----------------
2 files changed, 2 insertions(+), 17 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index fd4e81a..1f16ed9 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -30,6 +30,7 @@ config ARM64
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select GENERIC_TIME_VSYSCALL
+ select HANDLE_DOMAIN_IRQ
select HARDIRQS_SW_RESEND
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_JUMP_LABEL
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 0f08dfd..2c0e2a7 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -48,23 +48,7 @@ int arch_show_interrupts(struct seq_file *p, int prec)
*/
void handle_IRQ(unsigned int irq, struct pt_regs *regs)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
-
- irq_enter();
-
- /*
- * Some hardware gives randomly wrong interrupts. Rather
- * than crashing, do something sensible.
- */
- if (unlikely(irq >= nr_irqs)) {
- pr_warn_ratelimited("Bad IRQ%u\n", irq);
- ack_bad_irq(irq);
- } else {
- generic_handle_irq(irq);
- }
-
- irq_exit();
- set_irq_regs(old_regs);
+ __handle_domain_irq(NULL, irq, false, regs);
}
void __init set_handle_irq(void (*handle_irq)(struct pt_regs *))
--
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