diff options
| author | Sheng Yang <sheng@linux.intel.com> | 2010-01-05 19:02:27 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:35:46 -0300 |
| commit | 17cc393596823f4bbab81e68a9e23e7beadbcfca (patch) | |
| tree | 7c5ffc52ebeab12dac3308a8a1aecffee37cb734 | |
| parent | c9c5417455b0c2e3c164883354b5480e5aee3b36 (diff) | |
| download | linux-17cc393596823f4bbab81e68a9e23e7beadbcfca.tar.gz linux-17cc393596823f4bbab81e68a9e23e7beadbcfca.tar.bz2 linux-17cc393596823f4bbab81e68a9e23e7beadbcfca.zip | |
KVM: x86: Rename gb_page_enable() to get_lpage_level() in kvm_x86_ops
Then the callback can provide the maximum supported large page level, which
is more flexible.
Also move the gb page support into x86_64 specific.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/svm.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 4 |
4 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 741b8972a3a5..a4de557ad733 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -528,7 +528,7 @@ struct kvm_x86_ops { int (*set_tss_addr)(struct kvm *kvm, unsigned int addr); int (*get_tdp_level)(void); u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); - bool (*gb_page_enable)(void); + int (*get_lpage_level)(void); bool (*rdtscp_supported)(void); const struct trace_print_flags *exit_reasons_str; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index b373ae6fb974..cf64fc026e3e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2911,9 +2911,9 @@ static const struct trace_print_flags svm_exit_reasons_str[] = { { -1, NULL } }; -static bool svm_gb_page_enable(void) +static int svm_get_lpage_level(void) { - return true; + return PT_PDPE_LEVEL; } static bool svm_rdtscp_supported(void) @@ -2986,7 +2986,7 @@ static struct kvm_x86_ops svm_x86_ops = { .get_mt_mask = svm_get_mt_mask, .exit_reasons_str = svm_exit_reasons_str, - .gb_page_enable = svm_gb_page_enable, + .get_lpage_level = svm_get_lpage_level, .cpuid_update = svm_cpuid_update, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f4486f460278..0fd0892553ec 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4036,9 +4036,9 @@ static const struct trace_print_flags vmx_exit_reasons_str[] = { #undef _ER -static bool vmx_gb_page_enable(void) +static int vmx_get_lpage_level(void) { - return false; + return PT_DIRECTORY_LEVEL; } static inline u32 bit(int bitno) @@ -4131,7 +4131,7 @@ static struct kvm_x86_ops vmx_x86_ops = { .get_mt_mask = vmx_get_mt_mask, .exit_reasons_str = vmx_exit_reasons_str, - .gb_page_enable = vmx_gb_page_enable, + .get_lpage_level = vmx_get_lpage_level, .cpuid_update = vmx_cpuid_update, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index aff3479867a8..c990424d86d0 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1641,10 +1641,12 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, u32 index, int *nent, int maxnent) { unsigned f_nx = is_efer_nx() ? F(NX) : 0; - unsigned f_gbpages = kvm_x86_ops->gb_page_enable() ? F(GBPAGES) : 0; #ifdef CONFIG_X86_64 + unsigned f_gbpages = (kvm_x86_ops->get_lpage_level() == PT_PDPE_LEVEL) + ? F(GBPAGES) : 0; unsigned f_lm = F(LM); #else + unsigned f_gbpages = 0; unsigned f_lm = 0; #endif unsigned f_rdtscp = kvm_x86_ops->rdtscp_supported() ? F(RDTSCP) : 0; |