From: Benjamin LaHaise <bcrl@kvack.org>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 4/9] x86-64 use task_thread_info()
Date: Tue, 29 Nov 2005 23:21:43 -0500 [thread overview]
Message-ID: <20051130042143.GE19112@kvack.org> (raw)
Prepare x86-64 for thread_info in task_struct by using the
task_thread_info() macro instead of struct task_struct->thread_info
directly.
---
arch/x86_64/kernel/i387.c | 2 +-
arch/x86_64/kernel/process.c | 2 +-
arch/x86_64/kernel/smpboot.c | 2 +-
include/asm-x86_64/i387.h | 8 ++++----
4 files changed, 7 insertions(+), 7 deletions(-)
applies-to: f7870b25d1df24c7f544559ea8c7295a3a636dd5
dd7b8a32d0da262a26934e79da8c08fcb2c80e89
diff --git a/arch/x86_64/kernel/i387.c b/arch/x86_64/kernel/i387.c
index d9b22b6..a5d7e16 100644
--- a/arch/x86_64/kernel/i387.c
+++ b/arch/x86_64/kernel/i387.c
@@ -95,7 +95,7 @@ int save_i387(struct _fpstate __user *bu
if (!used_math())
return 0;
clear_used_math(); /* trigger finit */
- if (tsk->thread_info->status & TS_USEDFPU) {
+ if (task_thread_info(tsk)->status & TS_USEDFPU) {
err = save_i387_checking((struct i387_fxsave_struct __user *)buf);
if (err) return err;
stts();
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 7519fc5..28ebe45 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -435,7 +435,7 @@ int copy_thread(int nr, unsigned long cl
p->thread.rsp0 = (unsigned long) (childregs+1);
p->thread.userrsp = me->thread.userrsp;
- set_ti_thread_flag(p->thread_info, TIF_FORK);
+ set_ti_thread_flag(task_thread_info(p), TIF_FORK);
p->thread.fs = me->thread.fs;
p->thread.gs = me->thread.gs;
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 683c33f..50d018a 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -785,7 +785,7 @@ do_rest:
init_rsp = c_idle.idle->thread.rsp;
per_cpu(init_tss,cpu).rsp0 = init_rsp;
initial_code = start_secondary;
- clear_ti_thread_flag(c_idle.idle->thread_info, TIF_FORK);
+ clear_ti_thread_flag(task_thread_info(c_idle.idle), TIF_FORK);
printk(KERN_INFO "Booting processor %d/%d APIC 0x%x\n", cpu,
cpus_weight(cpu_present_map),
diff --git a/include/asm-x86_64/i387.h b/include/asm-x86_64/i387.h
index aa39cfd..ae8b4c1 100644
--- a/include/asm-x86_64/i387.h
+++ b/include/asm-x86_64/i387.h
@@ -30,7 +30,7 @@ extern int save_i387(struct _fpstate __u
*/
#define unlazy_fpu(tsk) do { \
- if ((tsk)->thread_info->status & TS_USEDFPU) \
+ if (task_thread_info(tsk)->status & TS_USEDFPU) \
save_init_fpu(tsk); \
} while (0)
@@ -46,9 +46,9 @@ static inline void tolerant_fwait(void)
}
#define clear_fpu(tsk) do { \
- if ((tsk)->thread_info->status & TS_USEDFPU) { \
+ if (task_thread_info(tsk)->status & TS_USEDFPU) { \
tolerant_fwait(); \
- (tsk)->thread_info->status &= ~TS_USEDFPU; \
+ task_thread_info(tsk)->status &= ~TS_USEDFPU; \
stts(); \
} \
} while (0)
@@ -135,7 +135,7 @@ static inline void save_init_fpu( struct
{
asm volatile( "rex64 ; fxsave %0 ; fnclex"
: "=m" (tsk->thread.i387.fxsave));
- tsk->thread_info->status &= ~TS_USEDFPU;
+ task_thread_info(tsk)->status &= ~TS_USEDFPU;
stts();
}
---
0.99.9.GIT
reply other threads:[~2005-11-30 4:24 UTC|newest]
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