mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
9100566267
Manually rebased patches: ath79/patches-5.4/910-unaligned_access_hacks.patch bcm27xx/patches-5.4/950-0135-spi-spi-bcm2835-Disable-forced-software-CS.patch bcm27xx/patches-5.4/950-0414-SQUASH-Fix-spi-driver-compiler-warnings.patch ipq806x/patches-5.4/093-4-v5.8-ipq806x-PCI-qcom-Use-bulk-clk-api-and-assert-on-error.patch Removed since could be reverse-applied by quilt and found to be included upstream: ipq806x/patches-5.4/096-PCI-qcom-Make-sure-PCIe-is-reset-before-init-for-rev.patch All modifications made by update_kernel.sh Build system: x86_64 Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711 Run-tested: ipq806x/R7800 No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> [refresh altered targets after rebase] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
88 lines
3.1 KiB
Diff
88 lines
3.1 KiB
Diff
From 7a291e75b7793f1fbd0ad9ad39ae35a2b091d84b Mon Sep 17 00:00:00 2001
|
|
From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
|
|
Date: Tue, 26 Jul 2016 16:12:30 +0300
|
|
Subject: [PATCH] arm/arm64 KVM: allow specifying s2 prot bits when mapping i/o
|
|
|
|
Add parameter allowing to specify s2 page table
|
|
protection and type bits and update the callers
|
|
accordingly.
|
|
The parameter will be used in a forthcoming patch.
|
|
|
|
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
|
|
---
|
|
arch/arm/include/asm/kvm_mmu.h | 3 ++-
|
|
arch/arm64/include/asm/kvm_mmu.h | 3 ++-
|
|
virt/kvm/arm/mmu.c | 8 +++++---
|
|
virt/kvm/arm/vgic/vgic-v2.c | 3 ++-
|
|
4 files changed, 11 insertions(+), 6 deletions(-)
|
|
|
|
--- a/arch/arm/include/asm/kvm_mmu.h
|
|
+++ b/arch/arm/include/asm/kvm_mmu.h
|
|
@@ -55,7 +55,8 @@ void stage2_unmap_vm(struct kvm *kvm);
|
|
int kvm_alloc_stage2_pgd(struct kvm *kvm);
|
|
void kvm_free_stage2_pgd(struct kvm *kvm);
|
|
int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
|
|
- phys_addr_t pa, unsigned long size, bool writable);
|
|
+ phys_addr_t pa, unsigned long size, bool writable,
|
|
+ pgprot_t prot);
|
|
|
|
int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run);
|
|
|
|
--- a/arch/arm64/include/asm/kvm_mmu.h
|
|
+++ b/arch/arm64/include/asm/kvm_mmu.h
|
|
@@ -156,7 +156,8 @@ void stage2_unmap_vm(struct kvm *kvm);
|
|
int kvm_alloc_stage2_pgd(struct kvm *kvm);
|
|
void kvm_free_stage2_pgd(struct kvm *kvm);
|
|
int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
|
|
- phys_addr_t pa, unsigned long size, bool writable);
|
|
+ phys_addr_t pa, unsigned long size, bool writable,
|
|
+ pgprot_t prot);
|
|
|
|
int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run);
|
|
|
|
--- a/virt/kvm/arm/mmu.c
|
|
+++ b/virt/kvm/arm/mmu.c
|
|
@@ -1341,9 +1341,11 @@ static int stage2_pudp_test_and_clear_yo
|
|
* @guest_ipa: The IPA at which to insert the mapping
|
|
* @pa: The physical address of the device
|
|
* @size: The size of the mapping
|
|
+ * @prot: S2 page translation bits
|
|
*/
|
|
int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
|
|
- phys_addr_t pa, unsigned long size, bool writable)
|
|
+ phys_addr_t pa, unsigned long size, bool writable,
|
|
+ pgprot_t prot)
|
|
{
|
|
phys_addr_t addr, end;
|
|
int ret = 0;
|
|
@@ -1354,7 +1356,7 @@ int kvm_phys_addr_ioremap(struct kvm *kv
|
|
pfn = __phys_to_pfn(pa);
|
|
|
|
for (addr = guest_ipa; addr < end; addr += PAGE_SIZE) {
|
|
- pte_t pte = kvm_pfn_pte(pfn, PAGE_S2_DEVICE);
|
|
+ pte_t pte = kvm_pfn_pte(pfn, prot);
|
|
|
|
if (writable)
|
|
pte = kvm_s2pte_mkwrite(pte);
|
|
@@ -2362,7 +2364,7 @@ int kvm_arch_prepare_memory_region(struc
|
|
|
|
ret = kvm_phys_addr_ioremap(kvm, gpa, pa,
|
|
vm_end - vm_start,
|
|
- writable);
|
|
+ writable, PAGE_S2_DEVICE);
|
|
if (ret)
|
|
break;
|
|
}
|
|
--- a/virt/kvm/arm/vgic/vgic-v2.c
|
|
+++ b/virt/kvm/arm/vgic/vgic-v2.c
|
|
@@ -341,7 +341,8 @@ int vgic_v2_map_resources(struct kvm *kv
|
|
if (!static_branch_unlikely(&vgic_v2_cpuif_trap)) {
|
|
ret = kvm_phys_addr_ioremap(kvm, dist->vgic_cpu_base,
|
|
kvm_vgic_global_state.vcpu_base,
|
|
- KVM_VGIC_V2_CPU_SIZE, true);
|
|
+ KVM_VGIC_V2_CPU_SIZE, true,
|
|
+ PAGE_S2_DEVICE);
|
|
if (ret) {
|
|
kvm_err("Unable to remap VGIC CPU to VCPU\n");
|
|
goto out;
|