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



Module Name:    src
Committed By:   maxv
Date:           Fri Jan 26 14:38:46 UTC 2018

Modified Files:
        src/sys/arch/amd64/amd64: machdep.c

Log Message:
Zero out the scratch value in the UTLS page during context switches. We
temporarily put %rax there when processing syscalls, and we wouldn't
want the new lwp to see the %rax value of the previous lwp.


To generate a diff of this commit:
cvs rdiff -u -r1.295 -r1.296 src/sys/arch/amd64/amd64/machdep.c

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




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