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authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>2021-03-04 07:34:11 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2021-03-09 22:13:26 +1100
commitcea15316ceee2d4a51dfdecd79e08a438135416c (patch)
tree3c5af5a5296cee2208588fd278b4fe273f94cdc2 /arch
parentfbda7904302499dd7ffc073a3c84eb7c9275db0a (diff)
downloadlinux-cea15316ceee2d4a51dfdecd79e08a438135416c.tar.bz2
powerpc/64s: Fix instruction encoding for lis in ppc_function_entry()
'lis r2,N' is 'addis r2,0,N' and the instruction encoding in the macro LIS_R2 is incorrect (it currently maps to 'addis r0,r2,N'). Fix the same. Fixes: c71b7eff426f ("powerpc: Add ABIv2 support to ppc_function_entry") Cc: stable@vger.kernel.org # v3.16+ Reported-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Acked-by: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210304020411.16796-1-naveen.n.rao@linux.vnet.ibm.com
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/code-patching.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index eacc9102c251..d5b3c3bb95b4 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -73,7 +73,7 @@ void __patch_exception(int exc, unsigned long addr);
#endif
#define OP_RT_RA_MASK 0xffff0000UL
-#define LIS_R2 0x3c020000UL
+#define LIS_R2 0x3c400000UL
#define ADDIS_R2_R12 0x3c4c0000UL
#define ADDI_R2_R2 0x38420000UL