Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

[firefly-linux-kernel-4.4.55.git] / arch / tile / lib / usercopy_32.S

diff --git a/arch/tile/lib/usercopy_32.S b/arch/tile/lib/usercopy_32.S
index b62d002af0096fe89793f5fb4eba6c357ef55922..1bc162224638b48f7ba16c27f0317749d399184e 100644 (file)
--- a/arch/tile/lib/usercopy_32.S
+++ b/arch/tile/lib/usercopy_32.S
@@ -36,6 +36,7 @@ strnlen_user_fault:
        { move r0, zero; jrp lr }
        ENDPROC(strnlen_user_fault)
        .section __ex_table,"a"
+       .align 4
        .word 1b, strnlen_user_fault
        .popsection
 
@@ -47,18 +48,20 @@ strnlen_user_fault:
  */
 STD_ENTRY(strncpy_from_user_asm)
        { bz r2, 2f; move r3, r0 }
-1:      { lb_u r4, r1; addi r1, r1, 1; addi r2, r2, -1 }
+1:     { lb_u r4, r1; addi r1, r1, 1; addi r2, r2, -1 }
        { sb r0, r4; addi r0, r0, 1 }
-       bz r2, 2f
-       bnzt r4, 1b
-       addi r0, r0, -1   /* don't count the trailing NUL */
-2:      { sub r0, r0, r3; jrp lr }
+       bz r4, 2f
+       bnzt r2, 1b
+       { sub r0, r0, r3; jrp lr }
+2:     addi r0, r0, -1   /* don't count the trailing NUL */
+       { sub r0, r0, r3; jrp lr }
        STD_ENDPROC(strncpy_from_user_asm)
        .pushsection .fixup,"ax"
 strncpy_from_user_fault:
        { movei r0, -EFAULT; jrp lr }
        ENDPROC(strncpy_from_user_fault)
        .section __ex_table,"a"
+       .align 4
        .word 1b, strncpy_from_user_fault
        .popsection
 
@@ -77,6 +80,7 @@ STD_ENTRY(clear_user_asm)
        bnzt r1, 1b
 2:      { move r0, r1; jrp lr }
        .pushsection __ex_table,"a"
+       .align 4
        .word 1b, 2b
        .popsection
 
@@ -86,6 +90,7 @@ STD_ENTRY(clear_user_asm)
 2:      { move r0, r1; jrp lr }
        STD_ENDPROC(clear_user_asm)
        .pushsection __ex_table,"a"
+       .align 4
        .word 1b, 2b
        .popsection
 
@@ -105,25 +110,7 @@ STD_ENTRY(flush_user_asm)
 2:      { move r0, r1; jrp lr }
        STD_ENDPROC(flush_user_asm)
        .pushsection __ex_table,"a"
-       .word 1b, 2b
-       .popsection
-
-/*
- * inv_user_asm takes the user target address in r0 and the
- * number of bytes to invalidate in r1.
- * It returns the number of not inv'able bytes (hopefully zero) in r0.
- */
-STD_ENTRY(inv_user_asm)
-       bz r1, 2f
-       { movei r2, L2_CACHE_BYTES; add r1, r0, r1 }
-       { sub r2, zero, r2; addi r1, r1, L2_CACHE_BYTES-1 }
-       { and r0, r0, r2; and r1, r1, r2 }
-       { sub r1, r1, r0 }
-1:      { inv r0; addi r1, r1, -CHIP_INV_STRIDE() }
-       { addi r0, r0, CHIP_INV_STRIDE(); bnzt r1, 1b }
-2:      { move r0, r1; jrp lr }
-       STD_ENDPROC(inv_user_asm)
-       .pushsection __ex_table,"a"
+       .align 4
        .word 1b, 2b
        .popsection
 
@@ -143,5 +130,6 @@ STD_ENTRY(finv_user_asm)
 2:      { move r0, r1; jrp lr }
        STD_ENDPROC(finv_user_asm)
        .pushsection __ex_table,"a"
+       .align 4
        .word 1b, 2b
        .popsection