[PATCH 11/50] sparc64: task_thread_info()

From: Al Viro
Date: Tue Jan 03 2006 - 16:10:07 EST

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References: <20060103210515.5135@xxxxxxxxxxxxxxxx>
In-Reply-To: <20060103210515.5135@xxxxxxxxxxxxxxxx>

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

---

arch/sparc64/kernel/process.c | 4 ++--
arch/sparc64/kernel/ptrace.c | 34 +++++++++++++++++-----------------
arch/sparc64/kernel/setup.c | 2 +-
arch/sparc64/kernel/smp.c | 2 +-
include/asm-sparc64/mmu_context.h | 2 +-
include/asm-sparc64/system.h | 4 ++--
6 files changed, 24 insertions(+), 24 deletions(-)

6cfb2e0b76db8ba49229addfc686169d48ba9e1a
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 02f9dec..1bc7724 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -390,7 +390,7 @@ void show_regs32(struct pt_regs32 *regs)

unsigned long thread_saved_pc(struct task_struct *tsk)
{
- struct thread_info *ti = tsk->thread_info;
+ struct thread_info *ti = task_thread_info(tsk);
unsigned long ret = 0xdeadbeefUL;

if (ti && ti->ksp) {
@@ -847,7 +847,7 @@ unsigned long get_wchan(struct task_stru

thread_info_base = (unsigned long) task->thread_info;
bias = STACK_BIAS;
- fp = task->thread_info->ksp + bias;
+ fp = task_thread_info(task)->ksp + bias;

do {
/* Bogus frame pointer? */
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 774ecbb..7cdb897 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -348,7 +348,7 @@ asmlinkage void do_ptrace(struct pt_regs
unsigned long tpc = cregs->tpc;
int rval;

- if ((child->thread_info->flags & _TIF_32BIT) != 0)
+ if ((task_thread_info(child)->flags & _TIF_32BIT) != 0)
tpc &= 0xffffffff;
if (__put_user(cregs->tstate, (&pregs->tstate)) ||
__put_user(tpc, (&pregs->tpc)) ||
@@ -419,7 +419,7 @@ asmlinkage void do_ptrace(struct pt_regs
pt_error_return(regs, EFAULT);
goto out_tsk;
}
- if ((child->thread_info->flags & _TIF_32BIT) != 0) {
+ if ((task_thread_info(child)->flags & _TIF_32BIT) != 0) {
tpc &= 0xffffffff;
tnpc &= 0xffffffff;
}
@@ -454,11 +454,11 @@ asmlinkage void do_ptrace(struct pt_regs
} fpq[16];
};
struct fps __user *fps = (struct fps __user *) addr;
- unsigned long *fpregs = child->thread_info->fpregs;
+ unsigned long *fpregs = task_thread_info(child)->fpregs;

if (copy_to_user(&fps->regs[0], fpregs,
(32 * sizeof(unsigned int))) ||
- __put_user(child->thread_info->xfsr[0], (&fps->fsr)) ||
+ __put_user(task_thread_info(child)->xfsr[0], (&fps->fsr)) ||
__put_user(0, (&fps->fpqd)) ||
__put_user(0, (&fps->flags)) ||
__put_user(0, (&fps->extra)) ||
@@ -476,11 +476,11 @@ asmlinkage void do_ptrace(struct pt_regs
unsigned long fsr;
};
struct fps __user *fps = (struct fps __user *) addr;
- unsigned long *fpregs = child->thread_info->fpregs;
+ unsigned long *fpregs = task_thread_info(child)->fpregs;

if (copy_to_user(&fps->regs[0], fpregs,
(64 * sizeof(unsigned int))) ||
- __put_user(child->thread_info->xfsr[0], (&fps->fsr))) {
+ __put_user(task_thread_info(child)->xfsr[0], (&fps->fsr))) {
pt_error_return(regs, EFAULT);
goto out_tsk;
}
@@ -501,7 +501,7 @@ asmlinkage void do_ptrace(struct pt_regs
} fpq[16];
};
struct fps __user *fps = (struct fps __user *) addr;
- unsigned long *fpregs = child->thread_info->fpregs;
+ unsigned long *fpregs = task_thread_info(child)->fpregs;
unsigned fsr;

if (copy_from_user(fpregs, &fps->regs[0],
@@ -510,11 +510,11 @@ asmlinkage void do_ptrace(struct pt_regs
pt_error_return(regs, EFAULT);
goto out_tsk;
}
- child->thread_info->xfsr[0] &= 0xffffffff00000000UL;
- child->thread_info->xfsr[0] |= fsr;
- if (!(child->thread_info->fpsaved[0] & FPRS_FEF))
- child->thread_info->gsr[0] = 0;
- child->thread_info->fpsaved[0] |= (FPRS_FEF | FPRS_DL);
+ task_thread_info(child)->xfsr[0] &= 0xffffffff00000000UL;
+ task_thread_info(child)->xfsr[0] |= fsr;
+ if (!(task_thread_info(child)->fpsaved[0] & FPRS_FEF))
+ task_thread_info(child)->gsr[0] = 0;
+ task_thread_info(child)->fpsaved[0] |= (FPRS_FEF | FPRS_DL);
pt_succ_return(regs, 0);
goto out_tsk;
}
@@ -525,17 +525,17 @@ asmlinkage void do_ptrace(struct pt_regs
unsigned long fsr;
};
struct fps __user *fps = (struct fps __user *) addr;
- unsigned long *fpregs = child->thread_info->fpregs;
+ unsigned long *fpregs = task_thread_info(child)->fpregs;

if (copy_from_user(fpregs, &fps->regs[0],
(64 * sizeof(unsigned int))) ||
- __get_user(child->thread_info->xfsr[0], (&fps->fsr))) {
+ __get_user(task_thread_info(child)->xfsr[0], (&fps->fsr))) {
pt_error_return(regs, EFAULT);
goto out_tsk;
}
- if (!(child->thread_info->fpsaved[0] & FPRS_FEF))
- child->thread_info->gsr[0] = 0;
- child->thread_info->fpsaved[0] |= (FPRS_FEF | FPRS_DL | FPRS_DU);
+ if (!(task_thread_info(child)->fpsaved[0] & FPRS_FEF))
+ task_thread_info(child)->gsr[0] = 0;
+ task_thread_info(child)->fpsaved[0] |= (FPRS_FEF | FPRS_DL | FPRS_DU);
pt_succ_return(regs, 0);
goto out_tsk;
}
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 4818053..2507458 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -520,7 +520,7 @@ void __init setup_arch(char **cmdline_p)
rd_doload = ((ram_flags & RAMDISK_LOAD_FLAG) != 0);
#endif

- init_task.thread_info->kregs = &fake_swapper_regs;
+ task_thread_info(&init_task)->kregs = &fake_swapper_regs;

#ifdef CONFIG_IP_PNP
if (!ic_set_manually) {
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 6efc03d..1fb6323 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -335,7 +335,7 @@ static int __devinit smp_boot_one_cpu(un

p = fork_idle(cpu);
callin_flag = 0;
- cpu_new_thread = p->thread_info;
+ cpu_new_thread = task_thread_info(p);
cpu_set(cpu, cpu_callout_map);

cpu_find_by_mid(cpu, &cpu_node);
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 08ba72d..57ee7b3 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -60,7 +60,7 @@ do { \
register unsigned long pgd_cache asm("o4"); \
paddr = __pa((__mm)->pgd); \
pgd_cache = 0UL; \
- if ((__tsk)->thread_info->flags & _TIF_32BIT) \
+ if (task_thread_info(__tsk)->flags & _TIF_32BIT) \
pgd_cache = get_pgd_cache((__mm)->pgd); \
__asm__ __volatile__("wrpr %%g0, 0x494, %%pstate\n\t" \
"mov %3, %%g4\n\t" \
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index b541752..f380da0 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -212,7 +212,7 @@ do { if (test_thread_flag(TIF_PERFCTR))
/* If you are tempted to conditionalize the following */ \
/* so that ASI is only written if it changes, think again. */ \
__asm__ __volatile__("wr %%g0, %0, %%asi" \
- : : "r" (__thread_flag_byte_ptr(next->thread_info)[TI_FLAG_BYTE_CURRENT_DS]));\
+ : : "r" (__thread_flag_byte_ptr(task_thread_info(next))[TI_FLAG_BYTE_CURRENT_DS]));\
__asm__ __volatile__( \
"mov %%g4, %%g7\n\t" \
"wrpr %%g0, 0x95, %%pstate\n\t" \
@@ -242,7 +242,7 @@ do { if (test_thread_flag(TIF_PERFCTR))
"b,a ret_from_syscall\n\t" \
"1:\n\t" \
: "=&r" (last) \
- : "0" (next->thread_info), \
+ : "0" (task_thread_info(next)), \
"i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD), \
"i" (TI_CWP), "i" (TI_TASK) \
: "cc", \
--
0.99.9.GIT

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Next message: Al Viro: "[PATCH 48/50] mips: task_thread_info()"
Previous message: Al Viro: "[PATCH 25/50] m32r: task_pt_regs(), task_stack_page(), task_thread_info()"
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