43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
--- linux-2.6-2.6.18/arch/s390/lib/uaccess.S 2006-11-04 18:27:41.000000000 +0100
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+++ linux-2.6-2.6.18/arch/s390/lib/uaccess.S.orig 2006-11-04 18:27:14.000000000 +0100
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@@ -40,17 +40,7 @@ __copy_from_user_asm:
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# move with the reduced length which is < 256
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5: mvcp 0(%r5,%r2),0(%r4),%r0
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slr %r3,%r5
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- alr %r2,%r5
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-6: lgr %r5,%r3 # copy remaining size
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- ahi %r5,-1 # subtract 1 for xc loop
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- bras %r4,8f
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- xc 0(1,%2),0(%2)
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-7: xc 0(256,%2),0(%2)
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- la %r2,256(%r2)
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-8: ahji %r5,-256
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- jnm 7b
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- ex %r5,0(%r2)
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-9: lr %r2,%r3
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+6: lr %r2,%r3
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br %r14
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.section __ex_table,"a"
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.long 0b,4b
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--- linux-2.6-2.6.18/arch/s390/lib/uaccess64.S 2006-11-04 18:27:41.000000000 +0100
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+++ linux-2.6-2.6.18/arch/s390/lib/uaccess64.S.orig 2006-11-04 18:27:24.000000000 +0100
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@@ -40,17 +40,7 @@ __copy_from_user_asm:
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# move with the reduced length which is < 256
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5: mvcp 0(%r5,%r2),0(%r4),%r0
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slgr %r3,%r5
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- algr %r2,%r5
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-6: lgr %r5,%r3 # copy remaining size
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- aghi %r5,-1 # subtract 1 for xc loop
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- bras %r4,8f
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- xc 0(1,%r2),0(%r2)
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-7: xc 0(256,%r2),0(%r2)
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- la %r2,256(%r2)
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-8: aghi %r5,-256
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- jnm 7b
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- ex %r5,0(%r2)
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-9: lgr %r2,%r3
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+6: lgr %r2,%r3
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br %r14
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.section __ex_table,"a"
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.quad 0b,4b
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