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From: Amit Pundir <amit.pundir@linaro.org>
To: gregkh@linuxfoundation.org
Cc: stable@vger.kernel.org, james.hogan@imgtec.com,
	Matt Redfearn <matt.redfearn@imgtec.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-mips@linux-mips.org, linux-kernel@vger.kernel.org,
	Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH for-4.4 5/7] MIPS: Select HAVE_IRQ_EXIT_ON_IRQ_STACK
Date: Thu,  6 Apr 2017 18:18:58 +0530	[thread overview]
Message-ID: <1491482940-1163-6-git-send-email-amit.pundir@linaro.org> (raw)
In-Reply-To: <1491482940-1163-1-git-send-email-amit.pundir@linaro.org>

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(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index db45961..49c276c 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
-- 
2.7.4

  parent reply	other threads:[~2017-04-06 12:49 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-06 12:48 [PATCH for-4.4 0/7] mips: IRQ stack patches from LEDE Amit Pundir
2017-04-06 12:48 ` [PATCH for-4.4 1/7] MIPS: Introduce irq_stack Amit Pundir
2017-04-06 12:48 ` [PATCH for-4.4 2/7] MIPS: Stack unwinding while on IRQ stack Amit Pundir
2017-04-06 12:48 ` [PATCH for-4.4 3/7] MIPS: Only change $28 to thread_info if coming from user mode Amit Pundir
2017-04-06 12:48 ` [PATCH for-4.4 4/7] MIPS: Switch to the irq_stack in interrupts Amit Pundir
2017-04-06 12:48 ` Amit Pundir [this message]
2017-04-06 12:48 ` [PATCH for-4.4 6/7] MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch Amit Pundir
2017-04-06 12:49 ` [PATCH for-4.4 7/7] MIPS: Lantiq: Fix cascaded IRQ setup Amit Pundir
2017-04-06 13:19   ` James Hogan
2017-04-06 13:19     ` James Hogan
2017-04-06 13:25     ` Amit Pundir

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