linux-kernel - [PATCH 2/8] MIPS: BMIPS: delay irq enable to ->smp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1337580008-7280-3-git-send-email-yong.zhang0@gmail.com>
Date:	Mon, 21 May 2012 14:00:02 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Cc:	ralf@...ux-mips.org, sshtylyov@...sta.com, david.daney@...ium.com
Subject: [PATCH 2/8] MIPS: BMIPS: delay irq enable to ->smp_finish()

From: Yong Zhang <yong.zhang@...driver.com>

To prepare for smoothing set_cpu_[active|online]() mess up

Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Acked-by: David Daney <david.daney@...ium.com>
---
 arch/mips/kernel/smp-bmips.c |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 3046e29..298b437 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -197,13 +197,6 @@ static void bmips_init_secondary(void)
 
 	write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0));
 #endif
-
-	/* make sure there won't be a timer interrupt for a little while */
-	write_c0_compare(read_c0_count() + mips_hpt_frequency / HZ);
-
-	irq_enable_hazard();
-	set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ1 | IE_IRQ5 | ST0_IE);
-	irq_enable_hazard();
 }
 
 /*
@@ -212,6 +205,13 @@ static void bmips_init_secondary(void)
 static void bmips_smp_finish(void)
 {
 	pr_info("SMP: CPU%d is running\n", smp_processor_id());
+
+	/* make sure there won't be a timer interrupt for a little while */
+	write_c0_compare(read_c0_count() + mips_hpt_frequency / HZ);
+
+	irq_enable_hazard();
+	set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ1 | IE_IRQ5 | ST0_IE);
+	irq_enable_hazard();
 }
 
 /*
-- 
1.7.5.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/