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authorDavid S. Miller <davem@davemloft.net>2017-11-10 10:00:18 +0900
committerDavid S. Miller <davem@davemloft.net>2017-11-10 10:00:18 +0900
commit4dc6758d7824a6d25717ccceefc488cafdb07210 (patch)
tree992e5d5996910af35a5c12fe94da14d0bb167452 /arch/arm64
parent19aeeb9f46cb4b9474ebeb50cb01b9a1adba73b8 (diff)
parent3fefc31843cfe2b5f072efe11ed9ccaf6a7a5092 (diff)
downloadlinux-4dc6758d7824a6d25717ccceefc488cafdb07210.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Simple cases of overlapping changes in the packet scheduler. Must easier to resolve this time. Which probably means that I screwed it up somehow. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi9
-rw-r--r--arch/arm64/kvm/hyp/Makefile2
-rw-r--r--arch/arm64/kvm/inject_fault.c16
3 files changed, 22 insertions, 5 deletions
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index ee4aff53a5f5..09c429cb6d61 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -299,7 +299,8 @@
interrupts = <0 243 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0>;
- clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+ <&mio_clk 12>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
<&mio_rst 12>;
};
@@ -311,7 +312,8 @@
interrupts = <0 244 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
- clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+ <&mio_clk 13>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
<&mio_rst 13>;
};
@@ -323,7 +325,8 @@
interrupts = <0 245 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb2>;
- clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+ <&mio_clk 14>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
<&mio_rst 14>;
};
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index 7c54d8fde855..f04400d494b7 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -3,7 +3,7 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#
-ccflags-y += -fno-stack-protector
+ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING
KVM=../../../../virt/kvm
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index da6a8cfa54a0..3556715a774e 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -33,12 +33,26 @@
#define LOWER_EL_AArch64_VECTOR 0x400
#define LOWER_EL_AArch32_VECTOR 0x600
+/*
+ * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
+ */
+static const u8 return_offsets[8][2] = {
+ [0] = { 0, 0 }, /* Reset, unused */
+ [1] = { 4, 2 }, /* Undefined */
+ [2] = { 0, 0 }, /* SVC, unused */
+ [3] = { 4, 4 }, /* Prefetch abort */
+ [4] = { 8, 8 }, /* Data abort */
+ [5] = { 0, 0 }, /* HVC, unused */
+ [6] = { 4, 4 }, /* IRQ, unused */
+ [7] = { 4, 4 }, /* FIQ, unused */
+};
+
static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
{
unsigned long cpsr;
unsigned long new_spsr_value = *vcpu_cpsr(vcpu);
bool is_thumb = (new_spsr_value & COMPAT_PSR_T_BIT);
- u32 return_offset = (is_thumb) ? 4 : 0;
+ u32 return_offset = return_offsets[vect_offset >> 2][is_thumb];
u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR);
cpsr = mode | COMPAT_PSR_I_BIT;