From: Al Viro Date: Thu, 12 Jan 2006 09:05:55 +0000 (-0800) Subject: [PATCH] parisc: task_stack_page(), task_thread_info() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=40f1f0deaff90b78b81dbba109bfa1cef241ec16;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [PATCH] parisc: task_stack_page(), task_thread_info() Signed-off-by: Al Viro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 4eb70a40ec7e..5da41677e70b 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -295,7 +295,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp, struct task_struct * p, struct pt_regs * pregs) { struct pt_regs * cregs = &(p->thread.regs); - struct thread_info *ti = p->thread_info; + void *stack = task_stack_page(p); /* We have to use void * instead of a function pointer, because * function pointers aren't a pointer to the function on 64-bit. @@ -322,7 +322,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp, */ if (usp == 1) { /* kernel thread */ - cregs->ksp = (((unsigned long)(ti)) + THREAD_SZ_ALGN); + cregs->ksp = (unsigned long)stack + THREAD_SZ_ALGN; /* Must exit via ret_from_kernel_thread in order * to call schedule_tail() */ @@ -344,7 +344,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp, */ /* Use same stack depth as parent */ - cregs->ksp = ((unsigned long)(ti)) + cregs->ksp = (unsigned long)stack + (pregs->gr[21] & (THREAD_SIZE - 1)); cregs->gr[30] = usp; if (p->personality == PER_HPUX) { diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 17f23c26f1ca..25564b7ca6bb 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -517,7 +517,7 @@ int __init smp_boot_one_cpu(int cpuid) if (IS_ERR(idle)) panic("SMP: fork failed for CPU:%d", cpuid); - idle->thread_info->cpu = cpuid; + task_thread_info(idle)->cpu = cpuid; /* Let _start know what logical CPU we're booting ** (offset into init_tasks[],cpu_data[])