---

yaml --- r: 311505 b: refs/heads/master c: eb3979f h: refs/heads/master i: 311503: 035e1b3 v: v3
git-mirror · Jun 25, 2012 · 79b730a · 79b730a
1 parent 3ce2a62
commit 79b730a
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 02529ba26f444e2a214c3dcacd866928e9edcfc0
+refs/heads/master: eb3979f64d25120d60b9e761a4c58f70b1a02f86
diff --git a/trunk/Documentation/DocBook/media/v4l/pixfmt.xml b/trunk/Documentation/DocBook/media/v4l/pixfmt.xml
@@ -986,13 +986,13 @@ http://www.thedirks.org/winnov/</ulink></para></entry>
 	  <row id="V4L2-PIX-FMT-Y4">
 	    <entry><constant>V4L2_PIX_FMT_Y4</constant></entry>
 	    <entry>'Y04 '</entry>
-	    <entry>Old 4-bit greyscale format. Only the most significant 4 bits of each byte are used,
+	    <entry>Old 4-bit greyscale format. Only the least significant 4 bits of each byte are used,
 the other bits are set to 0.</entry>
 	  </row>
 	  <row id="V4L2-PIX-FMT-Y6">
 	    <entry><constant>V4L2_PIX_FMT_Y6</constant></entry>
 	    <entry>'Y06 '</entry>
-	    <entry>Old 6-bit greyscale format. Only the most significant 6 bits of each byte are used,
+	    <entry>Old 6-bit greyscale format. Only the least significant 6 bits of each byte are used,
 the other bits are set to 0.</entry>
 	  </row>
 	</tbody>

diff --git a/trunk/Documentation/DocBook/media/v4l/v4l2.xml b/trunk/Documentation/DocBook/media/v4l/v4l2.xml
@@ -560,14 +560,14 @@ and discussions on the V4L mailing list.</revremark>
     &sub-g-tuner;
     &sub-log-status;
     &sub-overlay;
-    &sub-prepare-buf;
     &sub-qbuf;
     &sub-querybuf;
     &sub-querycap;
     &sub-queryctrl;
     &sub-query-dv-preset;
     &sub-query-dv-timings;
     &sub-querystd;
+    &sub-prepare-buf;
     &sub-reqbufs;
     &sub-s-hw-freq-seek;
     &sub-streamon;

diff --git a/trunk/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml b/trunk/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
@@ -108,9 +108,10 @@ information.</para>
 /></entry>
 	  </row>
 	  <row>
-	    <entry>struct&nbsp;v4l2_format</entry>
+	    <entry>__u32</entry>
 	    <entry><structfield>format</structfield></entry>
-	    <entry>Filled in by the application, preserved by the driver.</entry>
+	    <entry>Filled in by the application, preserved by the driver.
+	    See <xref linkend="v4l2-format" />.</entry>
 	  </row>
 	  <row>
 	    <entry>__u32</entry>

diff --git a/trunk/Documentation/DocBook/media/v4l/vidioc-dqevent.xml b/trunk/Documentation/DocBook/media/v4l/vidioc-dqevent.xml
@@ -89,7 +89,7 @@
 	  <row>
 	    <entry></entry>
 	    <entry>&v4l2-event-frame-sync;</entry>
-            <entry><structfield>frame_sync</structfield></entry>
+            <entry><structfield>frame</structfield></entry>
 	    <entry>Event data for event V4L2_EVENT_FRAME_SYNC.</entry>
 	  </row>
 	  <row>

diff --git a/trunk/Documentation/stable_kernel_rules.txt b/trunk/Documentation/stable_kernel_rules.txt
@@ -12,6 +12,12 @@ Rules on what kind of patches are accepted, and which ones are not, into the
    marked CONFIG_BROKEN), an oops, a hang, data corruption, a real
    security issue, or some "oh, that's not good" issue.  In short, something
    critical.
+ - Serious issues as reported by a user of a distribution kernel may also
+   be considered if they fix a notable performance or interactivity issue.
+   As these fixes are not as obvious and have a higher risk of a subtle
+   regression they should only be submitted by a distribution kernel
+   maintainer and include an addendum linking to a bugzilla entry if it
+   exists and additional information on the user-visible impact.
  - New device IDs and quirks are also accepted.
  - No "theoretical race condition" issues, unless an explanation of how the
    race can be exploited is also provided.

diff --git a/trunk/arch/arm/mm/dma-mapping.c b/trunk/arch/arm/mm/dma-mapping.c
@@ -1067,7 +1067,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, gfp_t
 		return NULL;
 
 	while (count) {
-		int j, order = __fls(count);
+		int j, order = __ffs(count);
 
 		pages[i] = alloc_pages(gfp | __GFP_NOWARN, order);
 		while (!pages[i] && order)

diff --git a/trunk/arch/arm/plat-mxc/include/mach/mx2_cam.h b/trunk/arch/arm/plat-mxc/include/mach/mx2_cam.h
@@ -23,15 +23,13 @@
 #ifndef __MACH_MX2_CAM_H_
 #define __MACH_MX2_CAM_H_
 
-#define MX2_CAMERA_SWAP16		(1 << 0)
 #define MX2_CAMERA_EXT_VSYNC		(1 << 1)
 #define MX2_CAMERA_CCIR			(1 << 2)
 #define MX2_CAMERA_CCIR_INTERLACE	(1 << 3)
 #define MX2_CAMERA_HSYNC_HIGH		(1 << 4)
 #define MX2_CAMERA_GATED_CLOCK		(1 << 5)
 #define MX2_CAMERA_INV_DATA		(1 << 6)
 #define MX2_CAMERA_PCLK_SAMPLE_RISING	(1 << 7)
-#define MX2_CAMERA_PACK_DIR_MSB		(1 << 8)
 
 /**
  * struct mx2_camera_platform_data - optional platform data for mx2_camera

diff --git a/trunk/arch/m68k/platform/coldfire/clk.c b/trunk/arch/m68k/platform/coldfire/clk.c
@@ -42,11 +42,4 @@ unsigned long clk_get_rate(struct clk *clk)
 	return MCF_CLK;
 }
 EXPORT_SYMBOL(clk_get_rate);
-
-struct clk *devm_clk_get(struct device *dev, const char *id)
-{
-	return NULL;
-}
-EXPORT_SYMBOL(devm_clk_get);
-
 /***************************************************************************/
diff --git a/trunk/arch/powerpc/include/asm/hw_irq.h b/trunk/arch/powerpc/include/asm/hw_irq.h
@@ -103,11 +103,6 @@ static inline void hard_irq_disable(void)
 /* include/linux/interrupt.h needs hard_irq_disable to be a macro */
 #define hard_irq_disable	hard_irq_disable
 
-static inline bool lazy_irq_pending(void)
-{
-	return !!(get_paca()->irq_happened & ~PACA_IRQ_HARD_DIS);
-}
-
 /*
  * This is called by asynchronous interrupts to conditionally
  * re-enable hard interrupts when soft-disabled after having

diff --git a/trunk/arch/powerpc/kernel/entry_64.S b/trunk/arch/powerpc/kernel/entry_64.S
@@ -558,54 +558,27 @@ _GLOBAL(ret_from_except_lite)
 	mtmsrd	r10,1		  /* Update machine state */
 #endif /* CONFIG_PPC_BOOK3E */
 
+#ifdef CONFIG_PREEMPT
 	clrrdi	r9,r1,THREAD_SHIFT	/* current_thread_info() */
+	li	r0,_TIF_NEED_RESCHED	/* bits to check */
 	ld	r3,_MSR(r1)
 	ld	r4,TI_FLAGS(r9)
+	/* Move MSR_PR bit in r3 to _TIF_SIGPENDING position in r0 */
+	rlwimi	r0,r3,32+TIF_SIGPENDING-MSR_PR_LG,_TIF_SIGPENDING
+	and.	r0,r4,r0	/* check NEED_RESCHED and maybe SIGPENDING */
+	bne	do_work
+
+#else /* !CONFIG_PREEMPT */
+	ld	r3,_MSR(r1)	/* Returning to user mode? */
 	andi.	r3,r3,MSR_PR
-	beq	resume_kernel
+	beq	restore		/* if not, just restore regs and return */
 
 	/* Check current_thread_info()->flags */
-	andi.	r0,r4,_TIF_USER_WORK_MASK
-	beq	restore
-
-	andi.	r0,r4,_TIF_NEED_RESCHED
-	beq	1f
-	bl	.restore_interrupts
-	bl	.schedule
-	b	.ret_from_except_lite
-
-1:	bl	.save_nvgprs
-	bl	.restore_interrupts
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	bl	.do_notify_resume
-	b	.ret_from_except
-
-resume_kernel:
-#ifdef CONFIG_PREEMPT
-	/* Check if we need to preempt */
-	andi.	r0,r4,_TIF_NEED_RESCHED
-	beq+	restore
-	/* Check that preempt_count() == 0 and interrupts are enabled */
-	lwz	r8,TI_PREEMPT(r9)
-	cmpwi	cr1,r8,0
-	ld	r0,SOFTE(r1)
-	cmpdi	r0,0
-	crandc	eq,cr1*4+eq,eq
-	bne	restore
-
-	/*
-	 * Here we are preempting the current task. We want to make
-	 * sure we are soft-disabled first
-	 */
-	SOFT_DISABLE_INTS(r3,r4)
-1:	bl	.preempt_schedule_irq
-
-	/* Re-test flags and eventually loop */
 	clrrdi	r9,r1,THREAD_SHIFT
 	ld	r4,TI_FLAGS(r9)
-	andi.	r0,r4,_TIF_NEED_RESCHED
-	bne	1b
-#endif /* CONFIG_PREEMPT */
+	andi.	r0,r4,_TIF_USER_WORK_MASK
+	bne	do_work
+#endif /* !CONFIG_PREEMPT */
 
 	.globl	fast_exc_return_irq
 fast_exc_return_irq:
@@ -786,6 +759,50 @@ restore_check_irq_replay:
 #endif /* CONFIG_PPC_BOOK3E */
 1:	b	.ret_from_except /* What else to do here ? */
 
+
+
+3:
+do_work:
+#ifdef CONFIG_PREEMPT
+	andi.	r0,r3,MSR_PR	/* Returning to user mode? */
+	bne	user_work
+	/* Check that preempt_count() == 0 and interrupts are enabled */
+	lwz	r8,TI_PREEMPT(r9)
+	cmpwi	cr1,r8,0
+	ld	r0,SOFTE(r1)
+	cmpdi	r0,0
+	crandc	eq,cr1*4+eq,eq
+	bne	restore
+
+	/*
+	 * Here we are preempting the current task. We want to make
+	 * sure we are soft-disabled first
+	 */
+	SOFT_DISABLE_INTS(r3,r4)
+1:	bl	.preempt_schedule_irq
+
+	/* Re-test flags and eventually loop */
+	clrrdi	r9,r1,THREAD_SHIFT
+	ld	r4,TI_FLAGS(r9)
+	andi.	r0,r4,_TIF_NEED_RESCHED
+	bne	1b
+	b	restore
+
+user_work:
+#endif /* CONFIG_PREEMPT */
+
+	andi.	r0,r4,_TIF_NEED_RESCHED
+	beq	1f
+	bl	.restore_interrupts
+	bl	.schedule
+	b	.ret_from_except_lite
+
+1:	bl	.save_nvgprs
+	bl	.restore_interrupts
+	addi	r3,r1,STACK_FRAME_OVERHEAD
+	bl	.do_notify_resume
+	b	.ret_from_except
+
 unrecov_restore:
 	addi	r3,r1,STACK_FRAME_OVERHEAD
 	bl	.unrecoverable_exception

diff --git a/trunk/arch/powerpc/kernel/irq.c b/trunk/arch/powerpc/kernel/irq.c
@@ -277,7 +277,7 @@ EXPORT_SYMBOL(arch_local_irq_restore);
  * NOTE: This is called with interrupts hard disabled but not marked
  * as such in paca->irq_happened, so we need to resync this.
  */
-void notrace restore_interrupts(void)
+void restore_interrupts(void)
 {
 	if (irqs_disabled()) {
 		local_paca->irq_happened |= PACA_IRQ_HARD_DIS;

diff --git a/trunk/arch/powerpc/kernel/prom_init.c b/trunk/arch/powerpc/kernel/prom_init.c
@@ -1312,7 +1312,7 @@ static struct opal_secondary_data {
 
 extern char opal_secondary_entry;
 
-static void __init prom_query_opal(void)
+static void prom_query_opal(void)
 {
 	long rc;
 
@@ -1436,7 +1436,7 @@ static void __init prom_opal_hold_cpus(void)
 	prom_debug("prom_opal_hold_cpus: end...\n");
 }
 
-static void __init prom_opal_takeover(void)
+static void prom_opal_takeover(void)
 {
 	struct opal_secondary_data *data = &RELOC(opal_secondary_data);
 	struct opal_takeover_args *args = &data->args;

diff --git a/trunk/arch/powerpc/mm/numa.c b/trunk/arch/powerpc/mm/numa.c
@@ -635,7 +635,7 @@ static inline int __init read_usm_ranges(const u32 **usm)
  */
 static void __init parse_drconf_memory(struct device_node *memory)
 {
-	const u32 *uninitialized_var(dm), *usm;
+	const u32 *dm, *usm;
 	unsigned int n, rc, ranges, is_kexec_kdump = 0;
 	unsigned long lmb_size, base, size, sz;
 	int nid;

diff --git a/trunk/arch/powerpc/net/bpf_jit_64.S b/trunk/arch/powerpc/net/bpf_jit_64.S
@@ -105,7 +105,6 @@ sk_load_byte_msh_positive_offset:
 	mr	r4, r_addr;					\
 	li	r6, SIZE;					\
 	bl	skb_copy_bits;					\
-	nop;							\
 	/* R3 = 0 on success */					\
 	addi	r1, r1, BPF_PPC_SLOWPATH_FRAME;			\
 	ld	r0, 16(r1);					\
@@ -157,7 +156,6 @@ bpf_slow_path_byte_msh:
 	mr	r4, r_addr;					\
 	li	r5, SIZE;					\
 	bl	bpf_internal_load_pointer_neg_helper;		\
-	nop;							\
 	/* R3 != 0 on success */				\
 	addi	r1, r1, BPF_PPC_SLOWPATH_FRAME;			\
 	ld	r0, 16(r1);					\

diff --git a/trunk/arch/powerpc/platforms/pseries/iommu.c b/trunk/arch/powerpc/platforms/pseries/iommu.c
@@ -106,7 +106,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
 		tcep++;
 	}
 
-	if (tbl->it_type & TCE_PCI_SWINV_CREATE)
+	if (tbl->it_type == TCE_PCI_SWINV_CREATE)
 		tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
 	return 0;
 }
@@ -121,7 +121,7 @@ static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
 	while (npages--)
 		*(tcep++) = 0;
 
-	if (tbl->it_type & TCE_PCI_SWINV_FREE)
+	if (tbl->it_type == TCE_PCI_SWINV_FREE)
 		tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
 }
 

diff --git a/trunk/arch/powerpc/platforms/pseries/processor_idle.c b/trunk/arch/powerpc/platforms/pseries/processor_idle.c
@@ -106,7 +106,7 @@ static void check_and_cede_processor(void)
 	 * we first hard disable then check.
 	 */
 	hard_irq_disable();
-	if (!lazy_irq_pending())
+	if (get_paca()->irq_happened == 0)
 		cede_processor();
 }
 

diff --git a/trunk/arch/sh/boards/mach-kfr2r09/setup.c b/trunk/arch/sh/boards/mach-kfr2r09/setup.c
@@ -201,8 +201,8 @@ static struct resource kfr2r09_usb0_gadget_resources[] = {
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start	= evt2irq(0xa20),
-		.end	= evt2irq(0xa20),
+		.start	= evtirq(0xa20),
+		.end	= evtirq(0xa20),
 		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 	},
 };

diff --git a/trunk/arch/sh/drivers/pci/pcie-sh7786.c b/trunk/arch/sh/drivers/pci/pcie-sh7786.c
@@ -239,7 +239,7 @@ static int __init pcie_clk_init(struct sh7786_pcie_port *port)
 	clk->enable_reg = (void __iomem *)(chan->reg_base + SH4A_PCIEPHYCTLR);
 	clk->enable_bit = BITS_CKE;
 
-	ret = sh_clk_mstp_register(clk, 1);
+	ret = sh_clk_mstp32_register(clk, 1);
 	if (unlikely(ret < 0))
 		goto err_phy;
 

diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
@@ -283,7 +283,7 @@ int __init arch_clk_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
 
 	return ret;
 }
diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7366.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
@@ -276,7 +276,7 @@ int __init arch_clk_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
 
 	return ret;
 }
diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -261,7 +261,7 @@ int __init arch_clk_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp_register(mstp_clks, HWBLK_NR);
+		ret = sh_clk_mstp32_register(mstp_clks, HWBLK_NR);
 
 	return ret;
 }
diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -311,7 +311,7 @@ int __init arch_clk_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp_register(mstp_clks, HWBLK_NR);
+		ret = sh_clk_mstp32_register(mstp_clks, HWBLK_NR);
 
 	return ret;
 }
diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -375,7 +375,7 @@ int __init arch_clk_init(void)
 		ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp_register(mstp_clks, HWBLK_NR);
+		ret = sh_clk_mstp32_register(mstp_clks, HWBLK_NR);
 
 	return ret;
 }
diff --git a/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7734.c b/trunk/arch/sh/kernel/cpu/sh4a/clock-sh7734.c
@@ -260,7 +260,7 @@ int __init arch_clk_init(void)
 			&div4_table);
 
 	if (!ret)
-		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
 
 	return ret;
 }