Commit a1310757 authored Aug 06, 2012 by Mihai Caraman Committed by Benjamin Herrenschmidt Sep 05, 2012

powerpc/booke64: Fix machine check handler to use the right prolog



Machine check exception handler was using a wrong prolog. Hypervisors like
KVM which are called early from the exception handler rely on the interrupt
source.

Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

parent 8b7b80b9

arch/powerpc/kernel/exceptions-64e.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -297,7 +297,7 @@ interrupt_end_book3e:

		/* Machine Check Interrupt */
		START_EXCEPTION(machine_check);
		CRIT_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE)
		MC_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE)
		// EXCEPTION_COMMON(0x200, PACA_EXMC, INTS_DISABLE)
		// bl special_reg_save_mc
		// addi r3,r1,STACK_FRAME_OVERHEAD