Gitweb: http://git.kernel.org/linus/ab310b5edb8b601bcb02491ed6f7676da4fd1757
Commit: ab310b5edb8b601bcb02491ed6f7676da4fd1757
Parent: e49a5bd38159dfb1928fd25b173bc9de4bbadb21
Author: Jason Wessel <jason.wessel@windriver.com>
AuthorDate: Tue Mar 30 14:05:07 2010 -0500
Committer: Frederic Weisbecker <fweisbec@gmail.com>
CommitDate: Thu Apr 1 08:26:32 2010 +0200
x86,kgdb: Always initialize the hw breakpoint attribute
It is required to call hw_breakpoint_init() on an attr before using it
in any other calls. This fixes the problem where kgdb will sometimes
fail to initialize on x86_64.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: 2.6.33 <stable@kernel.org>
LKML-Reference: <1269975907-27602-1-git-send-email-jason.wessel@windriver.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
arch/x86/kernel/kgdb.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index bfba601..b2258ca 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -618,8 +618,8 @@ int kgdb_arch_init(void)
* portion of kgdb because this operation requires mutexs to
* complete.
*/
+ hw_breakpoint_init(&attr);
attr.bp_addr = (unsigned long)kgdb_arch_init;
- attr.type = PERF_TYPE_BREAKPOINT;
attr.bp_len = HW_BREAKPOINT_LEN_1;
attr.bp_type = HW_BREAKPOINT_W;
attr.disabled = 1;
--
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