Subject: CVS commit: src/sys/arch/i386/i386
To: None <source-changes@NetBSD.org>
From: Andrew Doran <email@example.com>
Date: 08/05/2007 10:56:53
Module Name: src
Committed By: ad
Date: Sun Aug 5 10:56:53 UTC 2007
src/sys/arch/i386/i386: copy.S syscall.c
- trace_enter/trace_exit/ktrace don't need kernel_lock.
- Use a RISC-style copyin optimised for pulling system call arguments.
In tests I have done on Intel hardware this removes any measurable
advantage to passing the syscall arguments in registers.
To generate a diff of this commit:
cvs rdiff -r1.3 -r1.4 src/sys/arch/i386/i386/copy.S
cvs rdiff -r1.44 -r1.45 src/sys/arch/i386/i386/syscall.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.