Date: Sat, 30 Mar 2002 17:13:21 -0800 (PST) From: Alan Cox <alc@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/i386/i386 machdep.c Message-ID: <200203310113.g2V1DLW29008@freefall.freebsd.org>
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alc 2002/03/30 17:13:21 PST
Modified files:
sys/i386/i386 machdep.c
Log:
Implement i386's (o)sigreturn() like the alpha's: Use copyin() to read
the osigcontext or ucontext_t rather than useracc() followed by direct user-
space memory accesses. This reduces (o)sigreturn()'s execution time by 5-
50%.
Submitted by: bde
Revision Changes Path
1.508 +12 -8 src/sys/i386/i386/machdep.c
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