kernel: bump 4.9 to 4.9.143

Refreshed all patches.

Altered patches:
- 950-0063-Improve-__copy_to_user-and-__copy_from_user-performa.patch
- 950-0149-Update-vfpmodule.c.patch
- 201-extra_optimization.patch

New symbol:
- CONFIG_HARDEN_BRANCH_PREDICTOR

Compile-tested on: ar71xx, ar7, arc770, at91, brcm2708, brcm63xx, ixp4xx, lantiq, layerscape, mpc85xx, orion, rb532, uml
Runtime-tested on: ar71xx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

7 files changed, 18 insertions, 12 deletions

diff --git a/target/linux/brcm2708/bcm2708/config-4.9 b/target/linux/brcm2708/bcm2708/config-4.9
index 116dd257dd..ce01582fec 100644
--- a/target/linux/brcm2708/bcm2708/config-4.9
+++ b/target/linux/brcm2708/bcm2708/config-4.9
@@ -187,6 +187,7 @@ CONFIG_GPIOLIB=y
 # CONFIG_GPIO_BCM_VIRT is not set
 CONFIG_GPIO_SYSFS=y
 CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
diff --git a/target/linux/brcm2708/bcm2709/config-4.9 b/target/linux/brcm2708/bcm2709/config-4.9
index 4e505edced..0910fa6ea7 100644
--- a/target/linux/brcm2708/bcm2709/config-4.9
+++ b/target/linux/brcm2708/bcm2709/config-4.9
@@ -202,6 +202,7 @@ CONFIG_GPIO_BCM_EXP=y
 CONFIG_GPIO_BCM_VIRT=y
 CONFIG_GPIO_SYSFS=y
 CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDEN_BRANCH_PREDICTOR=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
diff --git a/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch b/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch
index 8916e52741..b0de3f211a 100644
--- a/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch
@@ -25,7 +25,7 @@ Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
  static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
  					    u32 *data, int in_pm)
  {
-@@ -1954,7 +1958,8 @@ static int smsc95xx_rx_fixup(struct usbn
+@@ -1961,7 +1965,8 @@ static int smsc95xx_rx_fixup(struct usbn
  				if (dev->net->features & NETIF_F_RXCSUM)
  					smsc95xx_rx_csum_offload(skb);
  				skb_trim(skb, skb->len - 4); /* remove fcs */
@@ -35,7 +35,7 @@ Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
  
  				return 1;
  			}
-@@ -1972,7 +1977,8 @@ static int smsc95xx_rx_fixup(struct usbn
+@@ -1979,7 +1984,8 @@ static int smsc95xx_rx_fixup(struct usbn
  			if (dev->net->features & NETIF_F_RXCSUM)
  				smsc95xx_rx_csum_offload(ax_skb);
  			skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
diff --git a/target/linux/brcm2708/patches-4.9/950-0028-kbuild-Ignore-dtco-targets-when-filtering-symbols.patch b/target/linux/brcm2708/patches-4.9/950-0028-kbuild-Ignore-dtco-targets-when-filtering-symbols.patch
index 52fe8a2281..28f337b0e3 100644
--- a/target/linux/brcm2708/patches-4.9/950-0028-kbuild-Ignore-dtco-targets-when-filtering-symbols.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0028-kbuild-Ignore-dtco-targets-when-filtering-symbols.patch
@@ -9,7 +9,7 @@ Subject: [PATCH] kbuild: Ignore dtco targets when filtering symbols
 
 --- a/scripts/Kbuild.include
 +++ b/scripts/Kbuild.include
-@@ -285,7 +285,7 @@ ksym_dep_filter =
+@@ -295,7 +295,7 @@ ksym_dep_filter =
  	    $(CPP) $(call flags_nodeps,c_flags) -D__KSYM_DEPS__ $< ;;        \
  	  as_*_S|cpp_s_S)                                                    \
  	    $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;;        \
diff --git a/target/linux/brcm2708/patches-4.9/950-0031-Add-dwc_otg-driver.patch b/target/linux/brcm2708/patches-4.9/950-0031-Add-dwc_otg-driver.patch
index 12174919bb..707e1a34a1 100644
--- a/target/linux/brcm2708/patches-4.9/950-0031-Add-dwc_otg-driver.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0031-Add-dwc_otg-driver.patch
@@ -696,7 +696,7 @@ Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
  }
 --- a/drivers/usb/core/hub.c
 +++ b/drivers/usb/core/hub.c
-@@ -5072,7 +5072,7 @@ static void port_event(struct usb_hub *h
+@@ -5074,7 +5074,7 @@ static void port_event(struct usb_hub *h
  	if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
  		u16 status = 0, unused;
  
diff --git a/target/linux/brcm2708/patches-4.9/950-0063-Improve-__copy_to_user-and-__copy_from_user-performa.patch b/target/linux/brcm2708/patches-4.9/950-0063-Improve-__copy_to_user-and-__copy_from_user-performa.patch
index 016d48dd2c..c1e5858bce 100644
--- a/target/linux/brcm2708/patches-4.9/950-0063-Improve-__copy_to_user-and-__copy_from_user-performa.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0063-Improve-__copy_to_user-and-__copy_from_user-performa.patch
@@ -57,7 +57,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  #define memset(p,v,n)							\
 --- a/arch/arm/include/asm/uaccess.h
 +++ b/arch/arm/include/asm/uaccess.h
-@@ -477,6 +477,9 @@ do {									\
+@@ -489,6 +489,9 @@ do {									\
  extern unsigned long __must_check
  arm_copy_from_user(void *to, const void __user *from, unsigned long n);
  
@@ -262,17 +262,21 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
 +.endm
 --- a/arch/arm/lib/copy_from_user.S
 +++ b/arch/arm/lib/copy_from_user.S
-@@ -89,11 +89,13 @@
+@@ -89,7 +89,8 @@
  
  	.text
  
 -ENTRY(arm_copy_from_user)
 +ENTRY(__copy_from_user_std)
 +WEAK(arm_copy_from_user)
+ #ifdef CONFIG_CPU_SPECTRE
+ 	get_thread_info r3
+ 	ldr	r3, [r3, #TI_ADDR_LIMIT]
+@@ -102,7 +103,7 @@ ENTRY(arm_copy_from_user)
  
  #include "copy_template.S"
  
- ENDPROC(arm_copy_from_user)
+-ENDPROC(arm_copy_from_user)
 +ENDPROC(__copy_from_user_std)
  
  	.pushsection .fixup,"ax"
diff --git a/target/linux/brcm2708/patches-4.9/950-0149-Update-vfpmodule.c.patch b/target/linux/brcm2708/patches-4.9/950-0149-Update-vfpmodule.c.patch
index 16d740aafb..78606ed61b 100644
--- a/target/linux/brcm2708/patches-4.9/950-0149-Update-vfpmodule.c.patch
+++ b/target/linux/brcm2708/patches-4.9/950-0149-Update-vfpmodule.c.patch
@@ -102,15 +102,15 @@ Signed-off-by: Christopher Alexander Tobias Schulze <cat.schulze@alice-dsl.net>
  		vfp_save_state(&thread->vfpstate, fpexc | FPEXC_EN);
  		fmxr(FPEXC, fpexc);
  	}
-@@ -604,6 +611,7 @@ int vfp_restore_user_hwstate(struct user
+@@ -602,6 +609,7 @@ int vfp_restore_user_hwstate(struct user
+ 	struct thread_info *thread = current_thread_info();
  	struct vfp_hard_struct *hwstate = &thread->vfpstate.hard;
  	unsigned long fpexc;
- 	int err = 0;
 +	u32 fpsid = fmrx(FPSID);
  
  	/* Disable VFP to avoid corrupting the new thread state. */
  	vfp_flush_hwstate(thread);
-@@ -627,8 +635,12 @@ int vfp_restore_user_hwstate(struct user
+@@ -624,8 +632,12 @@ int vfp_restore_user_hwstate(struct user
  	/* Ensure the VFP is enabled. */
  	fpexc |= FPEXC_EN;
  
@@ -124,8 +124,8 @@ Signed-off-by: Christopher Alexander Tobias Schulze <cat.schulze@alice-dsl.net>
 +
  	hwstate->fpexc = fpexc;
  
- 	__get_user_error(hwstate->fpinst, &ufp_exc->fpinst, err);
-@@ -698,7 +710,8 @@ void kernel_neon_begin(void)
+ 	hwstate->fpinst = ufp_exc->fpinst;
+@@ -695,7 +707,8 @@ void kernel_neon_begin(void)
  	cpu = get_cpu();
  
  	fpexc = fmrx(FPEXC) | FPEXC_EN;