diff options
| author | Martin Kepplinger <martink@posteo.de> | 2015-11-07 03:31:05 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-07 04:50:42 +0300 |
| commit | 06d8f8178c5709ff21cfbe16b6c078d2669b6e80 (patch) | |
| tree | de3dcab046b0edc9ac35c3ffada8ab807ed7a09f /arch/sh | |
| parent | 48e203e21b29cd4b2c58403fe8bca68e2e854895 (diff) | |
| download | linux-06d8f8178c5709ff21cfbe16b6c078d2669b6e80.tar.xz | |
arch/sh/kernel/traps_64.c: use sign_extend64() for sign extension
Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: George Spelvin <linux@horizon.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/cpu/sh5/unwind.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/traps_64.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/sh5/unwind.c b/arch/sh/kernel/cpu/sh5/unwind.c index 10aed41757fc..3a4fed406fc6 100644 --- a/arch/sh/kernel/cpu/sh5/unwind.c +++ b/arch/sh/kernel/cpu/sh5/unwind.c @@ -159,7 +159,7 @@ static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc, /* Sign extend */ regcache[dest] = - ((((s64)(u64)op >> 10) & 0xffff) << 54) >> 54; + sign_extend64((((u64)op >> 10) & 0xffff), 9); break; case (0xd0 >> 2): /* addi */ case (0xd4 >> 2): /* addi.l */ diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c index 112ea11c030d..d208c27ccc67 100644 --- a/arch/sh/kernel/traps_64.c +++ b/arch/sh/kernel/traps_64.c @@ -101,7 +101,7 @@ static int generate_and_check_address(struct pt_regs *regs, if (displacement_not_indexed) { __s64 displacement; displacement = (opcode >> 10) & 0x3ff; - displacement = ((displacement << 54) >> 54); /* sign extend */ + displacement = sign_extend64(displacement, 9); addr = (__u64)((__s64)base_address + (displacement << width_shift)); } else { __u64 offset; |