diff options
| author | Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2021-03-04 05:04:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-17 19:03:57 +0300 |
| commit | 106fea9ad246830090bb8397792cfe7e66063c45 (patch) | |
| tree | 331a967aca42b981698ab814a93f031cc0c0447f | |
| parent | 907f7f2cf0ff7739350c02f4ccdd8233828e4beb (diff) | |
| download | linux-106fea9ad246830090bb8397792cfe7e66063c45.tar.xz | |
powerpc/64s: Fix instruction encoding for lis in ppc_function_entry()
commit cea15316ceee2d4a51dfdecd79e08a438135416c upstream.
'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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/powerpc/include/asm/code-patching.h | 2 |
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 898b54262881..be0f7257b13c 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -72,7 +72,7 @@ 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 |