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CVS commit: src/sys/arch/amd64/amd64

Module Name:    src
Committed By:   chs
Date:           Wed Jul  7 01:13:29 UTC 2010

Modified Files:
        src/sys/arch/amd64/amd64: copy.S

Log Message:
fix more bugs in ucas_*():
move the "old" value to %*ax so that cmpxchg* can work.
remove the PCB_ONFAULT stuff, onfault_handler() handles this already.
return the error from fault handler in ucas_fault rather than forcing EFAULT.

To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/amd64/amd64/copy.S

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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