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authorZhang Yanfei <zhangyanfei@cn.fujitsu.com>2012-12-11 13:11:34 +0400
committerMarcelo Tosatti <mtosatti@redhat.com>2012-12-12 01:55:23 +0400
commit0ca0d818cbcbcac75a02833861b6fc42a98b904e (patch)
tree4cfaaa33cb3dcf860bd60a5b4559eb19ef777a08 /arch/x86/kernel/crash.c
parent49f8a1a5394d8baee5e56fb71e5cf993c228689a (diff)
downloadlinux-0ca0d818cbcbcac75a02833861b6fc42a98b904e.tar.xz
x86/kexec: crash_vmclear_local_vmcss needs __rcu
This removes the sparse warning: arch/x86/kernel/crash.c:49:32: sparse: incompatible types in comparison expression (different address spaces) Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kernel/crash.c')
-rw-r--r--arch/x86/kernel/crash.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 2f6b8e838d18..74467feb4dc5 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -38,12 +38,12 @@ int in_crash_kexec;
*
* protected by rcu.
*/
-void (*crash_vmclear_loaded_vmcss)(void) = NULL;
+crash_vmclear_fn __rcu *crash_vmclear_loaded_vmcss = NULL;
EXPORT_SYMBOL_GPL(crash_vmclear_loaded_vmcss);
static inline void cpu_crash_vmclear_loaded_vmcss(void)
{
- void (*do_vmclear_operation)(void) = NULL;
+ crash_vmclear_fn *do_vmclear_operation = NULL;
rcu_read_lock();
do_vmclear_operation = rcu_dereference(crash_vmclear_loaded_vmcss);