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Commit 6f58d795 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: exec PT_DTRACE
  [SPARC64]: Use shorter list_splice_init() for brevity.
  [SPARC64]: Remove most limitations to kernel image size.
parents ca1a6ba5 6d008153

arch/sparc64/kernel/ds.c

+1 −2
Original line number Diff line number Diff line
@@ -972,8 +972,7 @@ static void process_ds_work(void) 
	LIST_HEAD(todo);



	spin_lock_irqsave(&ds_lock, flags);

	list_splice(&ds_work_list, &todo);

	INIT_LIST_HEAD(&ds_work_list);

	list_splice_init(&ds_work_list, &todo);

	spin_unlock_irqrestore(&ds_lock, flags);



	list_for_each_entry_safe(qp, tmp, &todo, list) {

arch/sparc64/kernel/head.S

+6 −2
Original line number Diff line number Diff line
@@ -288,8 +288,12 @@ sun4v_chip_type: 
	/* Leave arg2 as-is, prom_mmu_ihandle_cache */

	mov	-1, %l3

	stx	%l3, [%sp + 2047 + 128 + 0x28]	! arg3: mode (-1 default)

	sethi	%hi(8 * 1024 * 1024), %l3

	stx	%l3, [%sp + 2047 + 128 + 0x30]	! arg4: size (8MB)

	/* 4MB align the kernel image size. */

	set	(_end - KERNBASE), %l3

	set	((4 * 1024 * 1024) - 1), %l4

	add	%l3, %l4, %l3

	andn	%l3, %l4, %l3

	stx	%l3, [%sp + 2047 + 128 + 0x30]	! arg4: roundup(ksize, 4MB)

	sethi	%hi(KERNBASE), %l3

	stx	%l3, [%sp + 2047 + 128 + 0x38]	! arg5: vaddr (KERNBASE)

	stx	%g0, [%sp + 2047 + 128 + 0x40]	! arg6: empty

arch/sparc64/kernel/process.c

+0 −3
Original line number Diff line number Diff line
@@ -731,9 +731,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs) 
		current_thread_info()->xfsr[0] = 0;

		current_thread_info()->fpsaved[0] = 0;

		regs->tstate &= ~TSTATE_PEF;

		task_lock(current);

		current->ptrace &= ~PT_DTRACE;

		task_unlock(current);

	}

out:

	return error;

arch/sparc64/kernel/smp.c

+9 −8
Original line number Diff line number Diff line
@@ -284,14 +284,17 @@ static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg) 
{

	extern unsigned long sparc64_ttable_tl0;

	extern unsigned long kern_locked_tte_data;

	extern int bigkernel;

	struct hvtramp_descr *hdesc;

	unsigned long trampoline_ra;

	struct trap_per_cpu *tb;

	u64 tte_vaddr, tte_data;

	unsigned long hv_err;

	int i;



	hdesc = kzalloc(sizeof(*hdesc), GFP_KERNEL);

	hdesc = kzalloc(sizeof(*hdesc) +

			(sizeof(struct hvtramp_mapping) *

			 num_kernel_image_mappings - 1),

			GFP_KERNEL);

	if (!hdesc) {

		printk(KERN_ERR "ldom_startcpu_cpuid: Cannot allocate "

		       "hvtramp_descr.\n");
@@ -299,7 +302,7 @@ static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg) 
	}



	hdesc->cpu = cpu;

	hdesc->num_mappings = (bigkernel ? 2 : 1);

	hdesc->num_mappings = num_kernel_image_mappings;



	tb = &trap_block[cpu];

	tb->hdesc = hdesc;
@@ -312,13 +315,11 @@ static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg) 
	tte_vaddr = (unsigned long) KERNBASE;

	tte_data = kern_locked_tte_data;



	hdesc->maps[0].vaddr = tte_vaddr;

	hdesc->maps[0].tte   = tte_data;

	if (bigkernel) {

	for (i = 0; i < hdesc->num_mappings; i++) {

		hdesc->maps[i].vaddr = tte_vaddr;

		hdesc->maps[i].tte   = tte_data;

		tte_vaddr += 0x400000;

		tte_data  += 0x400000;

		hdesc->maps[1].vaddr = tte_vaddr;

		hdesc->maps[1].tte   = tte_data;

	}



	trampoline_ra = kimage_addr_to_ra(hv_cpu_startup);

arch/sparc64/kernel/sys_sparc32.c

+0 −3
Original line number Diff line number Diff line
@@ -678,9 +678,6 @@ asmlinkage long sparc32_execve(struct pt_regs *regs) 
		current_thread_info()->xfsr[0] = 0;

		current_thread_info()->fpsaved[0] = 0;

		regs->tstate &= ~TSTATE_PEF;

		task_lock(current);

		current->ptrace &= ~PT_DTRACE;

		task_unlock(current);

	}

out:

	return error;