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Message-ID: <1345632192-19810-1-git-send-email-tiejun.chen@windriver.com>
Date: Wed, 22 Aug 2012 18:43:10 +0800
From: Tiejun Chen <tiejun.chen@...driver.com>
To: <benh@...nel.crashing.org>
CC: <jason.wessel@...driver.com>, <linuxppc-dev@...ts.ozlabs.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] kgdb,ppc: do not set kgdb_single_step on ppc
The kgdb_single_step flag has the possibility to indefinitely
hang the system on an SMP system.
The x86 arch have the same problem, and that problem was fixed by
commit 8097551d9ab9b9e3630(kgdb,x86: do not set kgdb_single_step
on x86). This patch does the same behaviors as x86's patch.
Signed-off-by: Dongdong Deng <dongdong.deng@...driver.com>
Signed-off-by: Jason Wessel <jason.wessel@...driver.com>
Signed-off-by: Tiejun Chen <tiejun.chen@...driver.com>
---
arch/powerpc/kernel/kgdb.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 782bd0a..bbabc5a 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -410,7 +410,6 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
#else
linux_regs->msr |= MSR_SE;
#endif
- kgdb_single_step = 1;
atomic_set(&kgdb_cpu_doing_single_step,
raw_smp_processor_id());
}
--
1.5.6
--
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