[PATCH 3/3] powerpc/powernv: Use FIXUP_ENDIAN_HV in OPAL return
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2017-10-23 07:08:35
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
Close the recoverability gap for OPAL calls by using FIXUP_ENDIAN_HV in the return path. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/platforms/powernv/opal-wrappers.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 37cd170201a2..6f4b00a2ac46 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S@@ -94,7 +94,7 @@ opal_return: * bytes (always BE) since MSR:LE will end up fixed up as a side * effect of the rfid. */ - FIXUP_ENDIAN + FIXUP_ENDIAN_HV ld r2,PACATOC(r13); lwz r4,8(r1); ld r5,PPC_LR_STKOFF(r1);
@@ -120,7 +120,7 @@ opal_real_call: hrfid opal_return_realmode: - FIXUP_ENDIAN + FIXUP_ENDIAN_HV ld r2,PACATOC(r13); lwz r11,8(r1); ld r12,PPC_LR_STKOFF(r1)
--
2.13.3