Commit c31f7134 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman

powerpc/64s/exception: Fix DAR load for handle_page_fault error case

This buglet goes back to before the 64/32 arch merge, but it does not
seem to have had practical consequences because bad_page_fault does
not use the 2nd argument, but rather regs->dar/nip.
Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-18-npiggin@gmail.com
parent b3fe3526
...@@ -2335,7 +2335,7 @@ handle_page_fault: ...@@ -2335,7 +2335,7 @@ handle_page_fault:
bl save_nvgprs bl save_nvgprs
mr r5,r3 mr r5,r3
addi r3,r1,STACK_FRAME_OVERHEAD addi r3,r1,STACK_FRAME_OVERHEAD
lwz r4,_DAR(r1) ld r4,_DAR(r1)
bl bad_page_fault bl bad_page_fault
b ret_from_except b ret_from_except
......
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