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[for-4.9,5/7] MIPS: Select HAVE_IRQ_EXIT_ON_IRQ_STACK

Message ID 1491484573-6228-6-git-send-email-amit.pundir@linaro.org
State Superseded
Headers show
Series mips: IRQ stack patches from LEDE | expand

Commit Message

Amit Pundir April 6, 2017, 1:16 p.m. UTC 
From: Matt Redfearn <matt.redfearn@imgtec.com>


Since do_IRQ is now invoked on a separate IRQ stack, we select
HAVE_IRQ_EXIT_ON_IRQ_STACK so that softirq's may be invoked directly
from irq_exit(), rather than requiring do_softirq_own_stack.

Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>

Acked-by: Jason A. Donenfeld <jason@zx2c4.com>

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14744/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

(cherry picked from commit 3cc3434fd6307d06b53b98ce83e76bf9807689b9)
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>

---
 arch/mips/Kconfig | 1 +
 1 file changed, 1 insertion(+)

-- 
2.7.4
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Patch

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b3c5bde..80832aa 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -9,6 +9,7 @@  config MIPS
 	select HAVE_CONTEXT_TRACKING
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_IDE
+	select HAVE_IRQ_EXIT_ON_IRQ_STACK
 	select HAVE_OPROFILE
 	select HAVE_PERF_EVENTS
 	select PERF_USE_VMALLOC