Commit 2fae7cdb authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt

powerpc: Fix VMX in interrupt check in POWER7 copy loops

The enhanced prefetch hint patches corrupt the condition register
that was used to check if we are in interrupt. Fix this by using cr1.
Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent dad477cc
......@@ -288,7 +288,7 @@ err1; stb r0,0(r3)
std r0,16(r1)
stdu r1,-STACKFRAMESIZE(r1)
bl .enter_vmx_usercopy
cmpwi r3,0
cmpwi cr1,r3,0
ld r0,STACKFRAMESIZE+16(r1)
ld r3,STACKFRAMESIZE+48(r1)
ld r4,STACKFRAMESIZE+56(r1)
......@@ -326,7 +326,7 @@ err1; stb r0,0(r3)
dcbt r0,r8,0b01010 /* GO */
.machine pop
beq .Lunwind_stack_nonvmx_copy
beq cr1,.Lunwind_stack_nonvmx_copy
/*
* If source and destination are not relatively aligned we use a
......
......@@ -222,7 +222,7 @@ _GLOBAL(memcpy_power7)
std r0,16(r1)
stdu r1,-STACKFRAMESIZE(r1)
bl .enter_vmx_copy
cmpwi r3,0
cmpwi cr1,r3,0
ld r0,STACKFRAMESIZE+16(r1)
ld r3,STACKFRAMESIZE+48(r1)
ld r4,STACKFRAMESIZE+56(r1)
......@@ -260,7 +260,7 @@ _GLOBAL(memcpy_power7)
dcbt r0,r8,0b01010 /* GO */
.machine pop
beq .Lunwind_stack_nonvmx_copy
beq cr1,.Lunwind_stack_nonvmx_copy
/*
* If source and destination are not relatively aligned we use a
......
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