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authorMarc Zyngier <marc.zyngier@arm.com>2013-05-14 12:11:37 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2013-06-26 10:50:03 -0700
commitdac288f7b38a7439502b77dabcdf8a9a5c4ae721 (patch)
tree16fceb85ae06b082cd20a1a68044dc94c0826e9e /arch
parent368074d908b785588778f00b4384376cd636f4a1 (diff)
downloadlinux-dac288f7b38a7439502b77dabcdf8a9a5c4ae721.tar.bz2
ARM: KVM: use phys_addr_t instead of unsigned long long for HYP PGDs
HYP PGDs are passed around as phys_addr_t, except just before calling into the hypervisor init code, where they are cast to a rather weird unsigned long long. Just keep them around as phys_addr_t, which is what makes the most sense. Reported-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/kvm_host.h4
-rw-r--r--arch/arm/kvm/arm.c8
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index ff5aaf10e6ec..1f3cee2e210e 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -190,8 +190,8 @@ int kvm_arm_coproc_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run,
int exception_index);
-static inline void __cpu_init_hyp_mode(unsigned long long boot_pgd_ptr,
- unsigned long long pgd_ptr,
+static inline void __cpu_init_hyp_mode(phys_addr_t boot_pgd_ptr,
+ phys_addr_t pgd_ptr,
unsigned long hyp_stack_ptr,
unsigned long vector_ptr)
{
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 37d216d814cd..327a1fb70fc9 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -789,8 +789,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
static void cpu_init_hyp_mode(void *dummy)
{
- unsigned long long boot_pgd_ptr;
- unsigned long long pgd_ptr;
+ phys_addr_t boot_pgd_ptr;
+ phys_addr_t pgd_ptr;
unsigned long hyp_stack_ptr;
unsigned long stack_page;
unsigned long vector_ptr;
@@ -798,8 +798,8 @@ static void cpu_init_hyp_mode(void *dummy)
/* Switch from the HYP stub to our own HYP init vector */
__hyp_set_vectors(kvm_get_idmap_vector());
- boot_pgd_ptr = (unsigned long long)kvm_mmu_get_boot_httbr();
- pgd_ptr = (unsigned long long)kvm_mmu_get_httbr();
+ boot_pgd_ptr = kvm_mmu_get_boot_httbr();
+ pgd_ptr = kvm_mmu_get_httbr();
stack_page = __get_cpu_var(kvm_arm_hyp_stack_page);
hyp_stack_ptr = stack_page + PAGE_SIZE;
vector_ptr = (unsigned long)__kvm_hyp_vector;