diff options
author | David S. Miller <davem@davemloft.net> | 2017-09-01 17:42:05 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-09-01 17:42:05 -0700 |
commit | 6026e043d09012c6269f9a96a808d52d9c498224 (patch) | |
tree | a80578915557db98596821ff60d2ff37dafffb4f /arch/alpha/lib | |
parent | 4cc5b44b29a9de9b3f841efedaa3f769066c63cc (diff) | |
parent | 138e4ad67afd5c6c318b056b4d17c17f2c0ca5c0 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/alpha/lib')
-rw-r--r-- | arch/alpha/lib/Makefile | 22 | ||||
-rw-r--r-- | arch/alpha/lib/copy_user.S | 2 | ||||
-rw-r--r-- | arch/alpha/lib/ev6-copy_user.S | 7 |
3 files changed, 21 insertions, 10 deletions
diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile index 7083434dd241..a80815960364 100644 --- a/arch/alpha/lib/Makefile +++ b/arch/alpha/lib/Makefile @@ -20,12 +20,8 @@ lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \ checksum.o \ csum_partial_copy.o \ $(ev67-y)strlen.o \ - $(ev67-y)strcat.o \ - strcpy.o \ - $(ev67-y)strncat.o \ - strncpy.o \ - $(ev6-y)stxcpy.o \ - $(ev6-y)stxncpy.o \ + stycpy.o \ + styncpy.o \ $(ev67-y)strchr.o \ $(ev67-y)strrchr.o \ $(ev6-y)memchr.o \ @@ -49,3 +45,17 @@ AFLAGS___remlu.o = -DREM -DINTSIZE $(addprefix $(obj)/,__divqu.o __remqu.o __divlu.o __remlu.o): \ $(src)/$(ev6-y)divide.S FORCE $(call if_changed_rule,as_o_S) + +# There are direct branches between {str*cpy,str*cat} and stx*cpy. +# Ensure the branches are within range by merging these objects. + +LDFLAGS_stycpy.o := -r +LDFLAGS_styncpy.o := -r + +$(obj)/stycpy.o: $(obj)/strcpy.o $(obj)/$(ev67-y)strcat.o \ + $(obj)/$(ev6-y)stxcpy.o FORCE + $(call if_changed,ld) + +$(obj)/styncpy.o: $(obj)/strncpy.o $(obj)/$(ev67-y)strncat.o \ + $(obj)/$(ev6-y)stxncpy.o FORCE + $(call if_changed,ld) diff --git a/arch/alpha/lib/copy_user.S b/arch/alpha/lib/copy_user.S index 159f1b7e6e49..c277a1a4383e 100644 --- a/arch/alpha/lib/copy_user.S +++ b/arch/alpha/lib/copy_user.S @@ -34,7 +34,7 @@ .ent __copy_user __copy_user: .prologue 0 - and $18,$18,$0 + mov $18,$0 and $16,7,$3 beq $0,$35 beq $3,$36 diff --git a/arch/alpha/lib/ev6-copy_user.S b/arch/alpha/lib/ev6-copy_user.S index 35e6710d0700..954ca03ebebe 100644 --- a/arch/alpha/lib/ev6-copy_user.S +++ b/arch/alpha/lib/ev6-copy_user.S @@ -45,9 +45,10 @@ # Pipeline info: Slotting & Comments __copy_user: .prologue 0 - andq $18, $18, $0 - subq $18, 32, $1 # .. E .. .. : Is this going to be a small copy? - beq $0, $zerolength # U .. .. .. : U L U L + mov $18, $0 # .. .. .. E + subq $18, 32, $1 # .. .. E. .. : Is this going to be a small copy? + nop # .. E .. .. + beq $18, $zerolength # U .. .. .. : U L U L and $16,7,$3 # .. .. .. E : is leading dest misalignment ble $1, $onebyteloop # .. .. U .. : 1st branch : small amount of data |