Re: namei() returns EISDIR for "/" (Re: svn commit: r203990 - head/lib/libc/sys)

2010-03-07 Thread Jaakko Heinonen
On 2010-03-06, Garrett Cooper wrote: > > > >        http://people.freebsd.org/~jh/patches/lookup-root.2.diff > > 1. EBUSY's new definition doesn't look correct for rename(2) given > POSIX's definition ( > http://www.opengroup.org/onlinepubs/009695399/functions/rename.html ): > > [EBUSY] > [CX

Re: ACPI/power implementation causing performance loss with i7/Nehalem turbo boost

2010-03-07 Thread Alexander Motin
Kevin Day wrote: > On Mar 6, 2010, at 12:05 AM, Daniel O'Connor wrote: > Yeah, sorry for not mentioning that I had tried this and didn't see any > change, so I thought I was on the wrong track. > > # sysctl hw.acpi.cpu.cx_lowest=C3 > hw.acpi.cpu.cx_lowest: C1 -> C3 > > but it doesn't look like i

Need a build target

2010-03-07 Thread Patrick Mahan
All, Just wanted some confirmation, but I have a need where I need to build just the kernel toolchain, kernel and the full toolchain and include files. The first two I can do via 'make kernel-toolchain' and 'make buildkernel'. However, to get the complete build toolchain and include files, sui

Dead store elimination in the kernel?

2010-03-07 Thread Patrick Lamaiziere
Hello, I'm asking if FreeBSD is safe regarding dead store elimination made by gcc? By example, in crypto drivers, sensitive datas are cleared by a bzero() after use to avoid potential leakages. But the bzero() by itself is useless, is it removed by gcc? Thanks, regards. ___