[tip: x86/entry] x86/entry/32: Force MCE through do_mce()

tip-bot2 for Thomas Gleixner
2020-02-27T14:22:12Z

The following commit has been merged into the x86/entry branch of tip:

Commit-ID: 840371bea19e85f30d19909171248cf8c5845fd7
Gitweb: https://git.kernel.org/tip/840371bea19e85f30d19909171248cf8c5845fd7
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 25 Feb 2020 22:36:39 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Thu, 27 Feb 2020 14:48:39 +01:00

x86/entry/32: Force MCE through do_mce()

Remove the pointless difference between 32 and 64 bit to make further
unifications simpler.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200225220216.428188397@linutronix.de

---
arch/x86/entry/entry_32.S | 2 +-
arch/x86/include/asm/mce.h | 3 ---
arch/x86/kernel/cpu/mce/internal.h | 3 +++
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 39243df..a8b4438 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -1365,7 +1365,7 @@ SYM_CODE_END(divide_error)
SYM_CODE_START(machine_check)
ASM_CLAC
pushl $0
- pushl machine_check_vector
+ pushl $do_mce
jmp common_exception
SYM_CODE_END(machine_check)
#endif
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 4359b95..a7e0b9d 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -238,9 +238,6 @@ extern void mce_disable_bank(int bank);
/*
* Exception handler
*/
-
-/* Call the installed machine check handler for this CPU setup. */
-extern void (*machine_check_vector)(struct pt_regs *, long error_code);
void do_machine_check(struct pt_regs *, long);

/*
diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h
index b785c0d..c1cda0b 100644
--- a/arch/x86/kernel/cpu/mce/internal.h
+++ b/arch/x86/kernel/cpu/mce/internal.h
@@ -8,6 +8,9 @@
#include <linux/device.h>
#include <asm/mce.h>

+/* Pointer to the installed machine check handler for this CPU setup. */
+extern void (*machine_check_vector)(struct pt_regs *, long error_code);
+
enum severity_level {
MCE_NO_SEVERITY,
MCE_DEFERRED_SEVERITY,