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-rw-r--r--arch/arm64/kernel/entry.S28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 192cf77bd374..4e6b8d97d941 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -652,7 +652,7 @@ alternative_else_nop_endif
sub \dst, \dst, PAGE_SIZE
.endm
- .macro tramp_ventry, regsize = 64
+ .macro tramp_ventry, vector_start, regsize
.align 7
1:
.if \regsize == 64
@@ -675,10 +675,10 @@ alternative_insn isb, nop, ARM64_WORKAROUND_QCOM_FALKOR_E1003
ldr x30, =vectors
#endif
alternative_if_not ARM64_WORKAROUND_CAVIUM_TX2_219_PRFM
- prfm plil1strm, [x30, #(1b - tramp_vectors)]
+ prfm plil1strm, [x30, #(1b - \vector_start)]
alternative_else_nop_endif
msr vbar_el1, x30
- add x30, x30, #(1b - tramp_vectors + 4)
+ add x30, x30, #(1b - \vector_start + 4)
isb
ret
.org 1b + 128 // Did we overflow the ventry slot?
@@ -697,19 +697,21 @@ alternative_else_nop_endif
sb
.endm
- .align 11
-SYM_CODE_START_NOALIGN(tramp_vectors)
+ .macro generate_tramp_vector
+.Lvector_start\@:
.space 0x400
- tramp_ventry
- tramp_ventry
- tramp_ventry
- tramp_ventry
+ .rept 4
+ tramp_ventry .Lvector_start\@, 64
+ .endr
+ .rept 4
+ tramp_ventry .Lvector_start\@, 32
+ .endr
+ .endm
- tramp_ventry 32
- tramp_ventry 32
- tramp_ventry 32
- tramp_ventry 32
+ .align 11
+SYM_CODE_START_NOALIGN(tramp_vectors)
+ generate_tramp_vector
SYM_CODE_END(tramp_vectors)
SYM_CODE_START(tramp_exit_native)