diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-12-20 20:51:31 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-12-22 22:13:05 +0300 |
| commit | 92a0f81d89571e3e8759366e050ee05cc545ef99 (patch) | |
| tree | e91c882e3a4ee2ab80673473389067adf9dd7807 /arch/x86/kernel/dumpstack.c | |
| parent | ed1bbc40a0d10e0c5c74fe7bdc6298295cf40255 (diff) | |
| download | linux-92a0f81d89571e3e8759366e050ee05cc545ef99.tar.xz | |
x86/cpu_entry_area: Move it out of the fixmap
Put the cpu_entry_area into a separate P4D entry. The fixmap gets too big
and 0-day already hit a case where the fixmap PTEs were cleared by
cleanup_highmap().
Aside of that the fixmap API is a pain as it's all backwards.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/dumpstack.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 1dd3f533d78c..36b17e0febe8 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -18,6 +18,7 @@ #include <linux/nmi.h> #include <linux/sysfs.h> +#include <asm/cpu_entry_area.h> #include <asm/stacktrace.h> #include <asm/unwind.h> |