summaryrefslogtreecommitdiff
path: root/arch/x86/lib
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/lib')
-rw-r--r--arch/x86/lib/insn.c6
-rw-r--r--arch/x86/lib/rwsem.S11
2 files changed, 13 insertions, 4 deletions
diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c
index 8f72b334aea0..1a416935bac9 100644
--- a/arch/x86/lib/insn.c
+++ b/arch/x86/lib/insn.c
@@ -374,7 +374,7 @@ void insn_get_displacement(struct insn *insn)
if (mod == 3)
goto out;
if (mod == 1) {
- insn->displacement.value = get_next(char, insn);
+ insn->displacement.value = get_next(signed char, insn);
insn->displacement.nbytes = 1;
} else if (insn->addr_bytes == 2) {
if ((mod == 0 && rm == 6) || mod == 2) {
@@ -532,7 +532,7 @@ void insn_get_immediate(struct insn *insn)
switch (inat_immediate_size(insn->attr)) {
case INAT_IMM_BYTE:
- insn->immediate.value = get_next(char, insn);
+ insn->immediate.value = get_next(signed char, insn);
insn->immediate.nbytes = 1;
break;
case INAT_IMM_WORD:
@@ -566,7 +566,7 @@ void insn_get_immediate(struct insn *insn)
goto err_out;
}
if (inat_has_second_immediate(insn->attr)) {
- insn->immediate2.value = get_next(char, insn);
+ insn->immediate2.value = get_next(signed char, insn);
insn->immediate2.nbytes = 1;
}
done:
diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S
index 40027db99140..be110efa0096 100644
--- a/arch/x86/lib/rwsem.S
+++ b/arch/x86/lib/rwsem.S
@@ -15,6 +15,7 @@
#include <linux/linkage.h>
#include <asm/alternative-asm.h>
+#include <asm/frame.h>
#define __ASM_HALF_REG(reg) __ASM_SEL(reg, e##reg)
#define __ASM_HALF_SIZE(inst) __ASM_SEL(inst##w, inst##l)
@@ -84,24 +85,29 @@
/* Fix up special calling conventions */
ENTRY(call_rwsem_down_read_failed)
+ FRAME_BEGIN
save_common_regs
__ASM_SIZE(push,) %__ASM_REG(dx)
movq %rax,%rdi
call rwsem_down_read_failed
__ASM_SIZE(pop,) %__ASM_REG(dx)
restore_common_regs
+ FRAME_END
ret
ENDPROC(call_rwsem_down_read_failed)
ENTRY(call_rwsem_down_write_failed)
+ FRAME_BEGIN
save_common_regs
movq %rax,%rdi
call rwsem_down_write_failed
restore_common_regs
+ FRAME_END
ret
ENDPROC(call_rwsem_down_write_failed)
ENTRY(call_rwsem_wake)
+ FRAME_BEGIN
/* do nothing if still outstanding active readers */
__ASM_HALF_SIZE(dec) %__ASM_HALF_REG(dx)
jnz 1f
@@ -109,15 +115,18 @@ ENTRY(call_rwsem_wake)
movq %rax,%rdi
call rwsem_wake
restore_common_regs
-1: ret
+1: FRAME_END
+ ret
ENDPROC(call_rwsem_wake)
ENTRY(call_rwsem_downgrade_wake)
+ FRAME_BEGIN
save_common_regs
__ASM_SIZE(push,) %__ASM_REG(dx)
movq %rax,%rdi
call rwsem_downgrade_wake
__ASM_SIZE(pop,) %__ASM_REG(dx)
restore_common_regs
+ FRAME_END
ret
ENDPROC(call_rwsem_downgrade_wake)