summaryrefslogtreecommitdiffstats
path: root/arch/sparc
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-09-26 23:44:24 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2012-10-15 01:26:53 +0200
commit5230429ab1c20c348e17069230c24db8a6b53ca3 (patch)
tree452f1f33451d0e85136cef1c65ba3da654847acd /arch/sparc
parentsparc64: switch to generic kernel_thread() (diff)
downloadlinux-5230429ab1c20c348e17069230c24db8a6b53ca3.tar.xz
linux-5230429ab1c20c348e17069230c24db8a6b53ca3.zip
sparc64: take fprs_write() and friends to start_thread()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/processor_64.h9
-rw-r--r--arch/sparc/kernel/process_64.c6
-rw-r--r--arch/sparc/kernel/sys_sparc32.c7
3 files changed, 9 insertions, 13 deletions
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index 5d81ff6b6933..0305d56d9b1a 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -94,6 +94,7 @@ struct thread_struct {
#ifndef __ASSEMBLY__
#include <linux/types.h>
+#include <asm/fpumacro.h>
/* Return saved PC of a blocked thread. */
struct task_struct;
@@ -143,6 +144,10 @@ do { \
: \
: "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \
"i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
+ fprs_write(0); \
+ current_thread_info()->xfsr[0] = 0; \
+ current_thread_info()->fpsaved[0] = 0; \
+ regs->tstate &= ~TSTATE_PEF; \
} while (0)
#define start_thread32(regs, pc, sp) \
@@ -183,6 +188,10 @@ do { \
: \
: "r" (regs), "r" (sp - sizeof(struct reg_window32)), \
"i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
+ fprs_write(0); \
+ current_thread_info()->xfsr[0] = 0; \
+ current_thread_info()->fpsaved[0] = 0; \
+ regs->tstate &= ~TSTATE_PEF; \
} while (0)
/* Free all resources held by a thread. */
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index e37512319296..55aa68da213b 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -692,12 +692,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs)
(const char __user *const __user *)
regs->u_regs[base + UREG_I2], regs);
putname(filename);
- if (!error) {
- fprs_write(0);
- current_thread_info()->xfsr[0] = 0;
- current_thread_info()->fpsaved[0] = 0;
- regs->tstate &= ~TSTATE_PEF;
- }
out:
return error;
}
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index c3239811a1b5..2f116ff46b11 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -421,13 +421,6 @@ asmlinkage long sparc32_execve(struct pt_regs *regs)
compat_ptr(regs->u_regs[base + UREG_I2]), regs);
putname(filename);
-
- if (!error) {
- fprs_write(0);
- current_thread_info()->xfsr[0] = 0;
- current_thread_info()->fpsaved[0] = 0;
- regs->tstate &= ~TSTATE_PEF;
- }
out:
return error;
}