---

yaml --- r: 299055 b: refs/heads/master c: 174808a h: refs/heads/master i: 299053: e75ef57 299051: 719d11c 299047: f3556a6 299039: 58835cd v: v3
git-mirror · Apr 12, 2012 · a23e860 · a23e860
1 parent d043e40
commit a23e860
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5d949944229b0a08e218723be231731cd86b94f3
+refs/heads/master: 174808af90a06ee59ffedd60c00c252f1f887f25
diff --git a/trunk/Documentation/filesystems/vfs.txt b/trunk/Documentation/filesystems/vfs.txt
@@ -114,7 +114,7 @@ members are defined:
 struct file_system_type {
 	const char *name;
 	int fs_flags;
-        struct dentry (*mount) (struct file_system_type *, int,
+        struct dentry *(*mount) (struct file_system_type *, int,
                        const char *, void *);
         void (*kill_sb) (struct super_block *);
         struct module *owner;

diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -228,7 +228,7 @@ M:	Len Brown <lenb@kernel.org>
 L:	linux-acpi@vger.kernel.org
 W:	http://www.lesswatts.org/projects/acpi/
 Q:	http://patchwork.kernel.org/project/linux-acpi/list/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
 S:	Supported
 F:	drivers/acpi/
 F:	drivers/pnp/pnpacpi/
@@ -2450,53 +2450,53 @@ F:	fs/ecryptfs/
 
 EDAC-CORE
 M:	Doug Thompson <dougthompson@xmission.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Supported
 F:	Documentation/edac.txt
-F:	drivers/edac/edac_*
+F:	drivers/edac/
 F:	include/linux/edac.h
 
 EDAC-AMD64
 M:	Doug Thompson <dougthompson@xmission.com>
 M:	Borislav Petkov <borislav.petkov@amd.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Supported
 F:	drivers/edac/amd64_edac*
 
 EDAC-E752X
 M:	Mark Gross <mark.gross@intel.com>
 M:	Doug Thompson <dougthompson@xmission.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/e752x_edac.c
 
 EDAC-E7XXX
 M:	Doug Thompson <dougthompson@xmission.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/e7xxx_edac.c
 
 EDAC-I82443BXGX
 M:	Tim Small <tim@buttersideup.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/i82443bxgx_edac.c
 
 EDAC-I3000
 M:	Jason Uhlenkott <juhlenko@akamai.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/i3000_edac.c
 
 EDAC-I5000
 M:	Doug Thompson <dougthompson@xmission.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/i5000_edac.c
@@ -2525,21 +2525,21 @@ F:	drivers/edac/i7core_edac.c
 EDAC-I82975X
 M:	Ranganathan Desikan <ravi@jetztechnologies.com>
 M:	"Arvind R." <arvino55@gmail.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/i82975x_edac.c
 
 EDAC-PASEMI
 M:	Egor Martovetsky <egor@pasemi.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/pasemi_edac.c
 
 EDAC-R82600
 M:	Tim Small <tim@buttersideup.com>
-L:	bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:	linux-edac@vger.kernel.org
 W:	bluesmoke.sourceforge.net
 S:	Maintained
 F:	drivers/edac/r82600_edac.c
@@ -4802,6 +4802,7 @@ F:	arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
 F:	arch/arm/mach-omap2/clockdomain44xx.c
 
 OMAP AUDIO SUPPORT
+M:	Peter Ujfalusi <peter.ujfalusi@ti.com>
 M:	Jarkko Nikula <jarkko.nikula@bitmer.com>
 L:	alsa-devel@alsa-project.org (subscribers-only)
 L:	linux-omap@vger.kernel.org
@@ -7460,8 +7461,7 @@ F:	include/linux/wm97xx.h
 
 WOLFSON MICROELECTRONICS DRIVERS
 M:	Mark Brown <broonie@opensource.wolfsonmicro.com>
-M:	Ian Lartey <ian@opensource.wolfsonmicro.com>
-M:	Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
+L:	patches@opensource.wolfsonmicro.com
 T:	git git://opensource.wolfsonmicro.com/linux-2.6-asoc
 T:	git git://opensource.wolfsonmicro.com/linux-2.6-audioplus
 W:	http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices

diff --git a/trunk/Makefile b/trunk/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 4
 SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*

diff --git a/trunk/arch/c6x/include/asm/irq.h b/trunk/arch/c6x/include/asm/irq.h
@@ -42,10 +42,6 @@
 /* This number is used when no interrupt has been assigned */
 #define NO_IRQ		0
 
-struct irq_data;
-extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d);
-extern irq_hw_number_t virq_to_hw(unsigned int virq);
-
 extern void __init init_pic_c64xplus(void);
 
 extern void init_IRQ(void);

diff --git a/trunk/arch/c6x/kernel/irq.c b/trunk/arch/c6x/kernel/irq.c
@@ -130,16 +130,3 @@ int arch_show_interrupts(struct seq_file *p, int prec)
 	seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
 	return 0;
 }
-
-irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
-{
-	return d->hwirq;
-}
-EXPORT_SYMBOL_GPL(irqd_to_hwirq);
-
-irq_hw_number_t virq_to_hw(unsigned int virq)
-{
-	struct irq_data *irq_data = irq_get_irq_data(virq);
-	return WARN_ON(!irq_data) ? 0 : irq_data->hwirq;
-}
-EXPORT_SYMBOL_GPL(virq_to_hw);
diff --git a/trunk/arch/powerpc/include/asm/irq.h b/trunk/arch/powerpc/include/asm/irq.h
@@ -33,8 +33,6 @@ extern atomic_t ppc_n_lost_interrupts;
 /* Same thing, used by the generic IRQ code */
 #define NR_IRQS_LEGACY		NUM_ISA_INTERRUPTS
 
-struct irq_data;
-extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d);
 extern irq_hw_number_t virq_to_hw(unsigned int virq);
 
 /**

diff --git a/trunk/arch/powerpc/kernel/entry_32.S b/trunk/arch/powerpc/kernel/entry_32.S
@@ -206,40 +206,43 @@ reenable_mmu:				/* re-enable mmu so we can */
 	andi.	r10,r10,MSR_EE		/* Did EE change? */
 	beq	1f
 
-	/* Save handler and return address into the 2 unused words
-	 * of the STACK_FRAME_OVERHEAD (sneak sneak sneak). Everything
-	 * else can be recovered from the pt_regs except r3 which for
-	 * normal interrupts has been set to pt_regs and for syscalls
-	 * is an argument, so we temporarily use ORIG_GPR3 to save it
-	 */
-	stw	r9,8(r1)
-	stw	r11,12(r1)
-	stw	r3,ORIG_GPR3(r1)
 	/*
 	 * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
 	 * If from user mode there is only one stack frame on the stack, and
 	 * accessing CALLER_ADDR1 will cause oops. So we need create a dummy
 	 * stack frame to make trace_hardirqs_off happy.
+	 *
+	 * This is handy because we also need to save a bunch of GPRs,
+	 * r3 can be different from GPR3(r1) at this point, r9 and r11
+	 * contains the old MSR and handler address respectively,
+	 * r4 & r5 can contain page fault arguments that need to be passed
+	 * along as well. r12, CCR, CTR, XER etc... are left clobbered as
+	 * they aren't useful past this point (aren't syscall arguments),
+	 * the rest is restored from the exception frame.
 	 */
+	stwu	r1,-32(r1)
+	stw	r9,8(r1)
+	stw	r11,12(r1)
+	stw	r3,16(r1)
+	stw	r4,20(r1)
+	stw	r5,24(r1)
 	andi.	r12,r12,MSR_PR
-	beq	11f
-	stwu	r1,-16(r1)
+	b	11f
 	bl	trace_hardirqs_off
-	addi	r1,r1,16
 	b	12f
-
 11:
 	bl	trace_hardirqs_off
 12:
+	lwz	r5,24(r1)
+	lwz	r4,20(r1)
+	lwz	r3,16(r1)
+	lwz	r11,12(r1)
+	lwz	r9,8(r1)
+	addi	r1,r1,32
 	lwz	r0,GPR0(r1)
-	lwz	r3,ORIG_GPR3(r1)
-	lwz	r4,GPR4(r1)
-	lwz	r5,GPR5(r1)
 	lwz	r6,GPR6(r1)
 	lwz	r7,GPR7(r1)
 	lwz	r8,GPR8(r1)
-	lwz	r9,8(r1)
-	lwz	r11,12(r1)
 1:	mtctr	r11
 	mtlr	r9
 	bctr				/* jump to handler */

diff --git a/trunk/arch/powerpc/kernel/irq.c b/trunk/arch/powerpc/kernel/irq.c
@@ -560,12 +560,6 @@ void do_softirq(void)
 	local_irq_restore(flags);
 }
 
-irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
-{
-	return d->hwirq;
-}
-EXPORT_SYMBOL_GPL(irqd_to_hwirq);
-
 irq_hw_number_t virq_to_hw(unsigned int virq)
 {
 	struct irq_data *irq_data = irq_get_irq_data(virq);

diff --git a/trunk/arch/powerpc/kernel/process.c b/trunk/arch/powerpc/kernel/process.c
@@ -1235,7 +1235,7 @@ void __ppc64_runlatch_on(void)
 	ctrl |= CTRL_RUNLATCH;
 	mtspr(SPRN_CTRLT, ctrl);
 
-	ti->local_flags |= TLF_RUNLATCH;
+	ti->local_flags |= _TLF_RUNLATCH;
 }
 
 /* Called with hard IRQs off */
@@ -1244,7 +1244,7 @@ void __ppc64_runlatch_off(void)
 	struct thread_info *ti = current_thread_info();
 	unsigned long ctrl;
 
-	ti->local_flags &= ~TLF_RUNLATCH;
+	ti->local_flags &= ~_TLF_RUNLATCH;
 
 	ctrl = mfspr(SPRN_CTRLF);
 	ctrl &= ~CTRL_RUNLATCH;

diff --git a/trunk/arch/powerpc/kvm/book3s_hv_builtin.c b/trunk/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -173,21 +173,22 @@ static void __init kvm_linear_init_one(ulong size, int count, int type)
 
 static struct kvmppc_linear_info *kvm_alloc_linear(int type)
 {
-	struct kvmppc_linear_info *ri;
+	struct kvmppc_linear_info *ri, *ret;
 
-	ri = NULL;
+	ret = NULL;
 	spin_lock(&linear_lock);
 	list_for_each_entry(ri, &free_linears, list) {
 		if (ri->type != type)
 			continue;
 
 		list_del(&ri->list);
 		atomic_inc(&ri->use_count);
+		memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT);
+		ret = ri;
 		break;
 	}
 	spin_unlock(&linear_lock);
-	memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT);
-	return ri;
+	return ret;
 }
 
 static void kvm_release_linear(struct kvmppc_linear_info *ri)

diff --git a/trunk/arch/powerpc/kvm/book3s_hv_interrupts.S b/trunk/arch/powerpc/kvm/book3s_hv_interrupts.S
@@ -46,8 +46,10 @@ _GLOBAL(__kvmppc_vcore_entry)
 	/* Save host state to the stack */
 	stdu	r1, -SWITCH_FRAME_SIZE(r1)
 
-	/* Save non-volatile registers (r14 - r31) */
+	/* Save non-volatile registers (r14 - r31) and CR */
 	SAVE_NVGPRS(r1)
+	mfcr	r3
+	std	r3, _CCR(r1)
 
 	/* Save host DSCR */
 BEGIN_FTR_SECTION
@@ -157,8 +159,10 @@ kvmppc_handler_highmem:
 	 * R13      = PACA
 	 */
 
-	/* Restore non-volatile host registers (r14 - r31) */
+	/* Restore non-volatile host registers (r14 - r31) and CR */
 	REST_NVGPRS(r1)
+	ld	r4, _CCR(r1)
+	mtcr	r4
 
 	addi    r1, r1, SWITCH_FRAME_SIZE
 	ld	r0, PPC_LR_STKOFF(r1)

diff --git a/trunk/arch/powerpc/kvm/book3s_interrupts.S b/trunk/arch/powerpc/kvm/book3s_interrupts.S
@@ -84,6 +84,10 @@ kvm_start_entry:
 	/* Save non-volatile registers (r14 - r31) */
 	SAVE_NVGPRS(r1)
 
+	/* Save CR */
+	mfcr	r14
+	stw	r14, _CCR(r1)
+
 	/* Save LR */
 	PPC_STL	r0, _LINK(r1)
 
@@ -165,6 +169,9 @@ kvm_exit_loop:
 	PPC_LL	r4, _LINK(r1)
 	mtlr	r4
 
+	lwz	r14, _CCR(r1)
+	mtcr	r14
+
 	/* Restore non-volatile host registers (r14 - r31) */
 	REST_NVGPRS(r1)
 

diff --git a/trunk/arch/powerpc/kvm/book3s_pr.c b/trunk/arch/powerpc/kvm/book3s_pr.c
@@ -777,6 +777,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	}
 	}
 
+	preempt_disable();
 	if (!(r & RESUME_HOST)) {
 		/* To avoid clobbering exit_reason, only check for signals if
 		 * we aren't already exiting to userspace for some other
@@ -798,8 +799,6 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			run->exit_reason = KVM_EXIT_INTR;
 			r = -EINTR;
 		} else {
-			preempt_disable();
-
 			/* In case an interrupt came in that was triggered
 			 * from userspace (like DEC), we need to check what
 			 * to inject now! */
@@ -881,7 +880,8 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
 
 	switch (reg->id) {
 	case KVM_REG_PPC_HIOR:
-		r = put_user(to_book3s(vcpu)->hior, (u64 __user *)reg->addr);
+		r = copy_to_user((u64 __user *)(long)reg->addr,
+				&to_book3s(vcpu)->hior, sizeof(u64));
 		break;
 	default:
 		break;
@@ -896,7 +896,8 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
 
 	switch (reg->id) {
 	case KVM_REG_PPC_HIOR:
-		r = get_user(to_book3s(vcpu)->hior, (u64 __user *)reg->addr);
+		r = copy_from_user(&to_book3s(vcpu)->hior,
+				   (u64 __user *)(long)reg->addr, sizeof(u64));
 		if (!r)
 			to_book3s(vcpu)->hior_explicit = true;
 		break;