[PATCH v2] Remove duplicate setting of the B field in tlbie
From: Balbir Singh <bsingharora@gmail.com>
Date: 2016-09-16 07:26:00
Subsystem:
kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Remove duplicate setting of the the "B" field when doing a tlbie(l). In compute_tlbie_rb(), the "B" field is set again just before returning the rb value to be used for tlbie(l). Signed-off-by: Balbir Singh <bsingharora@gmail.com> --- Changelog - Leave the more readable version around arch/powerpc/include/asm/kvm_book3s_64.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index 88d17b4..aa7d4fd 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h@@ -159,7 +159,6 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, /* This covers 14..54 bits of va*/ rb = (v & ~0x7fUL) << 16; /* AVA field */ - rb |= (v >> HPTE_V_SSIZE_SHIFT) << 8; /* B field */ /* * AVA in v had cleared lower 23 bits. We need to derive * that from pteg index
@@ -211,7 +210,7 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, break; } } - rb |= (v >> 54) & 0x300; /* B field */ + rb |= (v >> HPTE_V_SSIZE_SHIFT) << 8; /* B field */ return rb; }
--
2.5.5