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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-21 17:04:45 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-04-02 12:53:15 -0400
commit31af2f36d50e3b9b2fb7f17aa430c11c91f946c4 (patch)
tree3e182f8233f77a3c0aa8f0e095a2f902defb9b27 /arch/sparc/lib
parentsparc32: kill __ret_efault() (diff)
downloadlinux-dev-31af2f36d50e3b9b2fb7f17aa430c11c91f946c4.tar.xz
linux-dev-31af2f36d50e3b9b2fb7f17aa430c11c91f946c4.zip
sparc: switch to RAW_COPY_USER
... and drop zeroing in sparc32. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc/lib')
-rw-r--r--arch/sparc/lib/GENcopy_from_user.S2
-rw-r--r--arch/sparc/lib/GENcopy_to_user.S2
-rw-r--r--arch/sparc/lib/GENpatch.S4
-rw-r--r--arch/sparc/lib/NG2copy_from_user.S2
-rw-r--r--arch/sparc/lib/NG2copy_to_user.S2
-rw-r--r--arch/sparc/lib/NG2patch.S4
-rw-r--r--arch/sparc/lib/NG4copy_from_user.S2
-rw-r--r--arch/sparc/lib/NG4copy_to_user.S2
-rw-r--r--arch/sparc/lib/NG4patch.S4
-rw-r--r--arch/sparc/lib/NGcopy_from_user.S2
-rw-r--r--arch/sparc/lib/NGcopy_to_user.S2
-rw-r--r--arch/sparc/lib/NGpatch.S4
-rw-r--r--arch/sparc/lib/U1copy_from_user.S4
-rw-r--r--arch/sparc/lib/U1copy_to_user.S4
-rw-r--r--arch/sparc/lib/U3copy_to_user.S2
-rw-r--r--arch/sparc/lib/U3patch.S4
-rw-r--r--arch/sparc/lib/copy_in_user.S6
-rw-r--r--arch/sparc/lib/copy_user.S16
18 files changed, 27 insertions, 41 deletions
diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S
index 69a439fa2fc1..8aa16ef113f2 100644
--- a/arch/sparc/lib/GENcopy_from_user.S
+++ b/arch/sparc/lib/GENcopy_from_user.S
@@ -23,7 +23,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/GENcopy_to_user.S b/arch/sparc/lib/GENcopy_to_user.S
index 9947427ce354..311c8fa5e98e 100644
--- a/arch/sparc/lib/GENcopy_to_user.S
+++ b/arch/sparc/lib/GENcopy_to_user.S
@@ -27,7 +27,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/GENpatch.S b/arch/sparc/lib/GENpatch.S
index fab9e89f16bd..95e2f1f9e477 100644
--- a/arch/sparc/lib/GENpatch.S
+++ b/arch/sparc/lib/GENpatch.S
@@ -26,8 +26,8 @@
.type generic_patch_copyops,#function
generic_patch_copyops:
GEN_DO_PATCH(memcpy, GENmemcpy)
- GEN_DO_PATCH(___copy_from_user, GENcopy_from_user)
- GEN_DO_PATCH(___copy_to_user, GENcopy_to_user)
+ GEN_DO_PATCH(raw_copy_from_user, GENcopy_from_user)
+ GEN_DO_PATCH(raw_copy_to_user, GENcopy_to_user)
retl
nop
.size generic_patch_copyops,.-generic_patch_copyops
diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S
index b79a6998d87c..0d8a018118c2 100644
--- a/arch/sparc/lib/NG2copy_from_user.S
+++ b/arch/sparc/lib/NG2copy_from_user.S
@@ -36,7 +36,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S
index dcec55f254ab..a7a0ea0d8a0b 100644
--- a/arch/sparc/lib/NG2copy_to_user.S
+++ b/arch/sparc/lib/NG2copy_to_user.S
@@ -45,7 +45,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/NG2patch.S b/arch/sparc/lib/NG2patch.S
index 28c36f06a6d1..56ccc19adde8 100644
--- a/arch/sparc/lib/NG2patch.S
+++ b/arch/sparc/lib/NG2patch.S
@@ -26,8 +26,8 @@
.type niagara2_patch_copyops,#function
niagara2_patch_copyops:
NG_DO_PATCH(memcpy, NG2memcpy)
- NG_DO_PATCH(___copy_from_user, NG2copy_from_user)
- NG_DO_PATCH(___copy_to_user, NG2copy_to_user)
+ NG_DO_PATCH(raw_copy_from_user, NG2copy_from_user)
+ NG_DO_PATCH(raw_copy_to_user, NG2copy_to_user)
retl
nop
.size niagara2_patch_copyops,.-niagara2_patch_copyops
diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S
index 16a286c1a528..5bb506bd61fa 100644
--- a/arch/sparc/lib/NG4copy_from_user.S
+++ b/arch/sparc/lib/NG4copy_from_user.S
@@ -31,7 +31,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S
index 6b0276ffc858..a82d4d45fc1c 100644
--- a/arch/sparc/lib/NG4copy_to_user.S
+++ b/arch/sparc/lib/NG4copy_to_user.S
@@ -40,7 +40,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/NG4patch.S b/arch/sparc/lib/NG4patch.S
index a114cbcf2a48..3cc0f8cc95df 100644
--- a/arch/sparc/lib/NG4patch.S
+++ b/arch/sparc/lib/NG4patch.S
@@ -26,8 +26,8 @@
.type niagara4_patch_copyops,#function
niagara4_patch_copyops:
NG_DO_PATCH(memcpy, NG4memcpy)
- NG_DO_PATCH(___copy_from_user, NG4copy_from_user)
- NG_DO_PATCH(___copy_to_user, NG4copy_to_user)
+ NG_DO_PATCH(raw_copy_from_user, NG4copy_from_user)
+ NG_DO_PATCH(raw_copy_to_user, NG4copy_to_user)
retl
nop
.size niagara4_patch_copyops,.-niagara4_patch_copyops
diff --git a/arch/sparc/lib/NGcopy_from_user.S b/arch/sparc/lib/NGcopy_from_user.S
index 9cd42fcbc781..2333b6f3e824 100644
--- a/arch/sparc/lib/NGcopy_from_user.S
+++ b/arch/sparc/lib/NGcopy_from_user.S
@@ -25,7 +25,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/NGcopy_to_user.S b/arch/sparc/lib/NGcopy_to_user.S
index 5c358afd464e..07ba20bc4ea4 100644
--- a/arch/sparc/lib/NGcopy_to_user.S
+++ b/arch/sparc/lib/NGcopy_to_user.S
@@ -28,7 +28,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop
#endif
diff --git a/arch/sparc/lib/NGpatch.S b/arch/sparc/lib/NGpatch.S
index 3b0674fc3366..62ccda7e7b38 100644
--- a/arch/sparc/lib/NGpatch.S
+++ b/arch/sparc/lib/NGpatch.S
@@ -26,8 +26,8 @@
.type niagara_patch_copyops,#function
niagara_patch_copyops:
NG_DO_PATCH(memcpy, NGmemcpy)
- NG_DO_PATCH(___copy_from_user, NGcopy_from_user)
- NG_DO_PATCH(___copy_to_user, NGcopy_to_user)
+ NG_DO_PATCH(raw_copy_from_user, NGcopy_from_user)
+ NG_DO_PATCH(raw_copy_to_user, NGcopy_to_user)
retl
nop
.size niagara_patch_copyops,.-niagara_patch_copyops
diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S
index bb6ff73229e3..9a6e68a9bf4a 100644
--- a/arch/sparc/lib/U1copy_from_user.S
+++ b/arch/sparc/lib/U1copy_from_user.S
@@ -19,7 +19,7 @@
.text; \
.align 4;
-#define FUNC_NAME ___copy_from_user
+#define FUNC_NAME raw_copy_from_user
#define LOAD(type,addr,dest) type##a [addr] %asi, dest
#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_AIUS, dest
#define EX_RETVAL(x) 0
@@ -31,7 +31,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop; \
#include "U1memcpy.S"
diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S
index ed92ce739558..d7b28491eddf 100644
--- a/arch/sparc/lib/U1copy_to_user.S
+++ b/arch/sparc/lib/U1copy_to_user.S
@@ -19,7 +19,7 @@
.text; \
.align 4;
-#define FUNC_NAME ___copy_to_user
+#define FUNC_NAME raw_copy_to_user
#define STORE(type,src,addr) type##a src, [addr] ASI_AIUS
#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_AIUS
#define EX_RETVAL(x) 0
@@ -31,7 +31,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop; \
#include "U1memcpy.S"
diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S
index c4ee858e352a..f48fb87fe9f2 100644
--- a/arch/sparc/lib/U3copy_to_user.S
+++ b/arch/sparc/lib/U3copy_to_user.S
@@ -31,7 +31,7 @@
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
- bne,pn %icc, ___copy_in_user; \
+ bne,pn %icc, raw_copy_in_user; \
nop; \
#include "U3memcpy.S"
diff --git a/arch/sparc/lib/U3patch.S b/arch/sparc/lib/U3patch.S
index ecc302619a6e..91cd6539b6e1 100644
--- a/arch/sparc/lib/U3patch.S
+++ b/arch/sparc/lib/U3patch.S
@@ -26,8 +26,8 @@
.type cheetah_patch_copyops,#function
cheetah_patch_copyops:
ULTRA3_DO_PATCH(memcpy, U3memcpy)
- ULTRA3_DO_PATCH(___copy_from_user, U3copy_from_user)
- ULTRA3_DO_PATCH(___copy_to_user, U3copy_to_user)
+ ULTRA3_DO_PATCH(raw_copy_from_user, U3copy_from_user)
+ ULTRA3_DO_PATCH(raw_copy_to_user, U3copy_to_user)
retl
nop
.size cheetah_patch_copyops,.-cheetah_patch_copyops
diff --git a/arch/sparc/lib/copy_in_user.S b/arch/sparc/lib/copy_in_user.S
index 0252b218de45..1b73bb80aeb0 100644
--- a/arch/sparc/lib/copy_in_user.S
+++ b/arch/sparc/lib/copy_in_user.S
@@ -44,7 +44,7 @@ __retl_o2_plus_1:
* to copy register windows around during thread cloning.
*/
-ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */
+ENTRY(raw_copy_in_user) /* %o0=dst, %o1=src, %o2=len */
cmp %o2, 0
be,pn %XCC, 85f
or %o0, %o1, %o3
@@ -105,5 +105,5 @@ ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */
add %o0, 1, %o0
retl
clr %o0
-ENDPROC(___copy_in_user)
-EXPORT_SYMBOL(___copy_in_user)
+ENDPROC(raw_copy_in_user)
+EXPORT_SYMBOL(raw_copy_in_user)
diff --git a/arch/sparc/lib/copy_user.S b/arch/sparc/lib/copy_user.S
index cea644dc67a6..bc243ee807cc 100644
--- a/arch/sparc/lib/copy_user.S
+++ b/arch/sparc/lib/copy_user.S
@@ -364,21 +364,7 @@ short_aligned_end:
97:
mov %o2, %g3
fixupretl:
- sethi %hi(PAGE_OFFSET), %g1
- cmp %o0, %g1
- blu 1f
- cmp %o1, %g1
- bgeu 1f
- ld [%g6 + TI_PREEMPT], %g1
- cmp %g1, 0
- bne 1f
- nop
- save %sp, -64, %sp
- mov %i0, %o0
- call __bzero
- mov %g3, %o1
- restore
-1: retl
+ retl
mov %g3, %o0
/* exception routine sets %g2 to (broken_insn - first_insn)>>2 */