linux-kernel - [patch 03/10] x86/entry/32: Force MCE through do

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Date:   Tue, 25 Feb 2020 22:36:39 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Steven Rostedt <rostedt@...dmis.org>,
        Brian Gerst <brgerst@...il.com>,
        Juergen Gross <jgross@...e.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: [patch 03/10] 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@...utronix.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(-)

--- 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
--- 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);
 
 /*
--- 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,