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
mariux64 · Feb 27, 2020 · 840371b · 840371b
1 parent 55ba18d
commit 840371b
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diff --git 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
@@ -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
@@ -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,