kvm_tmp is now in .text and so doesn't need a special overlap check.
Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
---
arch/powerpc/include/asm/sections.h | 11 -----------
arch/powerpc/mm/book3s64/hash_utils.c | 4 ----
2 files changed, 15 deletions(-)
diff --git a/arch/powerpc/include/asm/sections.h
b/arch/powerpc/include/asm/sections.h
index 4a1664a8658d..5a9b6eb651b6 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -61,17 +61,6 @@ static inline int overlaps_kernel_text(unsigned long start,
unsigned long end)
(unsigned long)_stext < end;
}
-static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end)
-{
-#ifdef CONFIG_KVM_GUEST
- extern char kvm_tmp[];
- return start < (unsigned long)kvm_tmp &&
- (unsigned long)&kvm_tmp[1024 * 1024] < end;
-#else
- return 0;
-#endif
-}
-
#ifdef PPC64_ELF_ABI_v1
#define HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR 1
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c
b/arch/powerpc/mm/book3s64/hash_utils.c
index b8ad14bb1170..1be0622a1f38 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -271,10 +271,6 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long
vend,
if (overlaps_kernel_text(vaddr, vaddr + step))
tprot &= ~HPTE_R_N;
- /* Make kvm guest trampolines executable */
- if (overlaps_kvm_tmp(vaddr, vaddr + step))
- tprot &= ~HPTE_R_N;
-
/*
* If relocatable, check if it overlaps interrupt vectors that
* are copied down to real 0. For relocatable kernel
--
2.21.0
