diff options
| author | Ravi Bangoria <ravi.bangoria@linux.ibm.com> | 2020-10-11 10:39:05 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-11 00:09:09 +1100 |
| commit | 1817de2f141c718f1a0ae59927ec003e9b144349 (patch) | |
| tree | f5414f9664d30d8fb4911402828f6d2b248513b7 /arch | |
| parent | ef6879f8c8053cc3b493f400a06d452d7fb13650 (diff) | |
| download | linux-stable-1817de2f141c718f1a0ae59927ec003e9b144349.tar.gz linux-stable-1817de2f141c718f1a0ae59927ec003e9b144349.tar.bz2 linux-stable-1817de2f141c718f1a0ae59927ec003e9b144349.zip | |
powerpc/sstep: Cover new VSX instructions under CONFIG_VSX
Recently added Power10 prefixed VSX instruction are included
unconditionally in the kernel. If they are executed on a
machine without VSX support, it might create issues. Fix that.
Also fix one mnemonics spelling mistake in comment.
Fixes: 50b80a12e4cc ("powerpc sstep: Add support for prefixed load/stores")
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201011050908.72173-3-ravi.bangoria@linux.ibm.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index bf2cd3d42125..b18bce1a209f 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -2757,6 +2757,7 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, case 41: /* plwa */ op->type = MKOP(LOAD, PREFIXED | SIGNEXT, 4); break; +#ifdef CONFIG_VSX case 42: /* plxsd */ op->reg = rd + 32; op->type = MKOP(LOAD_VSX, PREFIXED, 8); @@ -2797,13 +2798,14 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, op->element_size = 16; op->vsx_flags = VSX_CHECK_VEC; break; +#endif /* CONFIG_VSX */ case 56: /* plq */ op->type = MKOP(LOAD, PREFIXED, 16); break; case 57: /* pld */ op->type = MKOP(LOAD, PREFIXED, 8); break; - case 60: /* stq */ + case 60: /* pstq */ op->type = MKOP(STORE, PREFIXED, 16); break; case 61: /* pstd */ |