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authorMarc Zyngier <maz@kernel.org>2021-04-13 15:35:58 +0100
committerMarc Zyngier <maz@kernel.org>2021-04-13 15:35:58 +0100
commitad569b70aa02ffba1e86411b79570cbe4e6c7bb8 (patch)
treee7cb9d5b58e9421d7a5840fe97fcb2f740de216d /arch/arm64
parent3d63ef4d523edb365dd6c91464ccc18e7bda510d (diff)
parent85d703746154cdc6794b6654b587b0b0354c97e9 (diff)
Merge branch 'kvm-arm64/misc-5.13' into kvmarm-master/next
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/kvm/arm.c4
-rw-r--r--arch/arm64/kvm/hyp/nvhe/gen-hyprel.c18
-rw-r--r--arch/arm64/kvm/reset.c5
3 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 3f98dbe09500..74acc4444d48 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -1881,8 +1881,10 @@ static int init_hyp_mode(void)
if (is_protected_kvm_enabled()) {
init_cpu_logical_map();
- if (!init_psci_relay())
+ if (!init_psci_relay()) {
+ err = -ENODEV;
goto out_err;
+ }
}
if (is_protected_kvm_enabled()) {
diff --git a/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c b/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
index ead02c6a7628..6bc88a756cb7 100644
--- a/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
+++ b/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
@@ -50,6 +50,18 @@
#ifndef R_AARCH64_ABS64
#define R_AARCH64_ABS64 257
#endif
+#ifndef R_AARCH64_PREL64
+#define R_AARCH64_PREL64 260
+#endif
+#ifndef R_AARCH64_PREL32
+#define R_AARCH64_PREL32 261
+#endif
+#ifndef R_AARCH64_PREL16
+#define R_AARCH64_PREL16 262
+#endif
+#ifndef R_AARCH64_PLT32
+#define R_AARCH64_PLT32 314
+#endif
#ifndef R_AARCH64_LD_PREL_LO19
#define R_AARCH64_LD_PREL_LO19 273
#endif
@@ -371,6 +383,12 @@ static void emit_rela_section(Elf64_Shdr *sh_rela)
case R_AARCH64_ABS64:
emit_rela_abs64(rela, sh_orig_name);
break;
+ /* Allow position-relative data relocations. */
+ case R_AARCH64_PREL64:
+ case R_AARCH64_PREL32:
+ case R_AARCH64_PREL16:
+ case R_AARCH64_PLT32:
+ break;
/* Allow relocations to generate PC-relative addressing. */
case R_AARCH64_LD_PREL_LO19:
case R_AARCH64_ADR_PREL_LO21:
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 86d94f616a1e..956cdc240148 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -238,6 +238,11 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
/* Reset core registers */
memset(vcpu_gp_regs(vcpu), 0, sizeof(*vcpu_gp_regs(vcpu)));
+ memset(&vcpu->arch.ctxt.fp_regs, 0, sizeof(vcpu->arch.ctxt.fp_regs));
+ vcpu->arch.ctxt.spsr_abt = 0;
+ vcpu->arch.ctxt.spsr_und = 0;
+ vcpu->arch.ctxt.spsr_irq = 0;
+ vcpu->arch.ctxt.spsr_fiq = 0;
vcpu_gp_regs(vcpu)->pstate = pstate;
/* Reset system registers */