From: Al Viro <viro@ftp.linux.org.uk>
To: torvalds@osdl.org
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: [PATCH 07/50] amd64: task_stack_page()
Date: Tue, 03 Jan 2006 21:07:38 +0000 [thread overview]
Message-ID: <E1EttNa-0008PQ-6k@ZenIV.linux.org.uk> (raw)
References: <20060103210515.5135@ftp.linux.org.uk>
In-Reply-To: <20060103210515.5135@ftp.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/x86_64/kernel/process.c | 6 +++---
arch/x86_64/kernel/smpboot.c | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
c93c0d97f1334d04b0f0ac98acc40e8b6ffc2ff1
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 08e578f..334cecc 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -423,7 +423,7 @@ int copy_thread(int nr, unsigned long cl
struct task_struct *me = current;
childregs = ((struct pt_regs *)
- (THREAD_SIZE + (unsigned long) p->thread_info)) - 1;
+ (THREAD_SIZE + task_stack_page(p))) - 1;
*childregs = *regs;
childregs->rax = 0;
@@ -562,7 +562,7 @@ __switch_to(struct task_struct *prev_p,
write_pda(oldrsp, next->userrsp);
write_pda(pcurrent, next_p);
write_pda(kernelstack,
- (unsigned long)next_p->thread_info + THREAD_SIZE - PDA_STACKOFFSET);
+ task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
/*
* Now maybe reload the debug registers
@@ -676,7 +676,7 @@ unsigned long get_wchan(struct task_stru
if (!p || p == current || p->state==TASK_RUNNING)
return 0;
- stack = (unsigned long)p->thread_info;
+ stack = (unsigned long)task_stack_page(p);
if (p->thread.rsp < stack || p->thread.rsp > stack+THREAD_SIZE)
return 0;
fp = *(u64 *)(p->thread.rsp);
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index e92eec2..fe94a69 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -747,7 +747,7 @@ static int __cpuinit do_boot_cpu(int cpu
if (c_idle.idle) {
c_idle.idle->thread.rsp = (unsigned long) (((struct pt_regs *)
- (THREAD_SIZE + (unsigned long) c_idle.idle->thread_info)) - 1);
+ (THREAD_SIZE + task_stack_page(c_idle.idle))) - 1);
init_idle(c_idle.idle, cpu);
goto do_rest;
}
--
0.99.9.GIT
reply other threads:[~2006-01-03 21:07 UTC|newest]
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