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authorRavi Bangoria <ravi.bangoria@linux.ibm.com>2020-10-11 10:39:05 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-11 00:09:09 +1100
commit1817de2f141c718f1a0ae59927ec003e9b144349 (patch)
treef5414f9664d30d8fb4911402828f6d2b248513b7 /arch/powerpc/lib
parentef6879f8c8053cc3b493f400a06d452d7fb13650 (diff)
downloadlinux-1817de2f141c718f1a0ae59927ec003e9b144349.tar.bz2
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/powerpc/lib')
-rw-r--r--arch/powerpc/lib/sstep.c4
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 */