[PATCH v2 24/44] powerpc/64s/exception: Add the virt variant of the denorm interrupt handler
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2019-08-02 11:55:13
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
All other virt handlers have the prolog code in the virt vector rather than branch to the real vector. Follow this pattern in the denorm virt handler. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/kernel/exceptions-64s.S | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 58bfd4827750..45e9f8bd551d 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S@@ -1853,7 +1853,11 @@ EXC_REAL_END(denorm_exception_hv, 0x1500, 0x100) #ifdef CONFIG_PPC_DENORMALISATION EXC_VIRT_BEGIN(denorm_exception, 0x5500, 0x100) - b exc_real_0x1500_denorm_exception_hv + INT_HANDLER denorm_exception, 0x1500, 0, 2, 1, EXC_HV, PACA_EXGEN, 1, 0, 0, 0, 0 + mfspr r10,SPRN_HSRR1 + andis. r10,r10,(HSRR1_DENORM)@h /* denorm? */ + bne+ denorm_assist + INT_VIRT_SAVE_SRR_AND_JUMP denorm_common, EXC_HV EXC_VIRT_END(denorm_exception, 0x5500, 0x100) #else EXC_VIRT_NONE(0x5500, 0x100)
--
2.22.0