diff mbox series

[v2,5/8] KVM: x86/mmu: Use BIT{,_ULL}() for PFERR masks

Message ID 20221018214612.3445074-6-dmatlack@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: selftests: Fix and clean up emulator_error_test | expand

Commit Message

David Matlack Oct. 18, 2022, 9:46 p.m. UTC 
Use the preferred BIT() and BIT_ULL() to construct the PFERR masks
rather than open-coding the bit shifting.

No functional change intended.

Signed-off-by: David Matlack <dmatlack@google.com>
---
 arch/x86/include/asm/kvm_host.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

Comments

Sean Christopherson Oct. 27, 2022, 11:45 p.m. UTC | #1 
On Tue, Oct 18, 2022, David Matlack wrote:
> Use the preferred BIT() and BIT_ULL() to construct the PFERR masks
> rather than open-coding the bit shifting.
> 
> No functional change intended.
> 
> Signed-off-by: David Matlack <dmatlack@google.com>
> ---

Reviewed-by: Sean Christopherson <seanjc@google.com>
diff mbox series

Patch

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index aa381ab69a19..1d7605b079bf 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -253,16 +253,16 @@  enum x86_intercept_stage;
 #define PFERR_GUEST_PAGE_BIT 33
 #define PFERR_IMPLICIT_ACCESS_BIT 48
 
-#define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT)
-#define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT)
-#define PFERR_USER_MASK (1U << PFERR_USER_BIT)
-#define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT)
-#define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT)
-#define PFERR_PK_MASK (1U << PFERR_PK_BIT)
-#define PFERR_SGX_MASK (1U << PFERR_SGX_BIT)
-#define PFERR_GUEST_FINAL_MASK (1ULL << PFERR_GUEST_FINAL_BIT)
-#define PFERR_GUEST_PAGE_MASK (1ULL << PFERR_GUEST_PAGE_BIT)
-#define PFERR_IMPLICIT_ACCESS (1ULL << PFERR_IMPLICIT_ACCESS_BIT)
+#define PFERR_PRESENT_MASK	BIT(PFERR_PRESENT_BIT)
+#define PFERR_WRITE_MASK	BIT(PFERR_WRITE_BIT)
+#define PFERR_USER_MASK		BIT(PFERR_USER_BIT)
+#define PFERR_RSVD_MASK		BIT(PFERR_RSVD_BIT)
+#define PFERR_FETCH_MASK	BIT(PFERR_FETCH_BIT)
+#define PFERR_PK_MASK		BIT(PFERR_PK_BIT)
+#define PFERR_SGX_MASK		BIT(PFERR_SGX_BIT)
+#define PFERR_GUEST_FINAL_MASK	BIT_ULL(PFERR_GUEST_FINAL_BIT)
+#define PFERR_GUEST_PAGE_MASK	BIT_ULL(PFERR_GUEST_PAGE_BIT)
+#define PFERR_IMPLICIT_ACCESS	BIT_ULL(PFERR_IMPLICIT_ACCESS_BIT)
 
 #define PFERR_NESTED_GUEST_PAGE (PFERR_GUEST_PAGE_MASK |	\
 				 PFERR_WRITE_MASK |		\