diff options
| author | Paul Burton <paul.burton@imgtec.com> | 2016-11-07 15:07:07 +0000 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-06-17 15:52:25 +0200 |
| commit | 014e656e781a22a4d01400cc1249517380fa525d (patch) | |
| tree | 5989c2c731881f8d816a2178838c618c107b3b7a /arch/mips/kernel/process.c | |
| parent | 012ae80bb456d88b265f5b42a73d643ffa451540 (diff) | |
MIPS: Handle microMIPS jumps in the same way as MIPS32/MIPS64 jumps
commit 096a0de427ea333f56f0ee00328cff2a2731bcf1 upstream.
is_jump_ins() checks for plain jump ("j") instructions since commit
e7438c4b893e ("MIPS: Fix sibling call handling in get_frame_info") but
that commit didn't make the same change to the microMIPS code, leaving
it inconsistent with the MIPS32/MIPS64 code. Handle the microMIPS
encoding of the jump instruction too such that it behaves consistently.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Fixes: e7438c4b893e ("MIPS: Fix sibling call handling in get_frame_info")
Cc: Tony Wu <tung7970@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14533/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 5a9336997..3cfa3bc28 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -312,6 +312,8 @@ static inline int is_jump_ins(union mips_instruction *ip) return 0; } + if (ip->j_format.opcode == mm_j32_op) + return 1; if (ip->j_format.opcode == mm_jal32_op) return 1; if (ip->r_format.opcode != mm_pool32a_op || |