PCI: Unable to handle 64-bit address space for

2007-04-18 Thread mchu
Hi all, Anyone has idea of this: Why it is displayed on boot? How to fix this? Or at least not to display this message? Using 2.6.9-42.ELsmp. PCI: Probing PCI hardware (bus 00) PCI: Ignoring BAR0-3 of IDE controller :00:1f.1 PCI: Unable to handle 64-bit address space for PCI: Unable to

PCI: Unable to handle 64-bit address space for

2007-04-18 Thread mchu
Hi all, Anyone has idea of this: Why it is displayed on boot? How to fix this? Or at least not to display this message? Using 2.6.9-42.ELsmp. PCI: Probing PCI hardware (bus 00) PCI: Ignoring BAR0-3 of IDE controller :00:1f.1 PCI: Unable to handle 64-bit address space for PCI: Unable to

Cheap lock for user mode processes release when process exits

2007-04-12 Thread mchu
Hi all, Maybe someone here knows better. I have several user-mode processes using shared mmap. There can be several reader processes and only one writer. Readers access the shared region frequently, writer seldom. Naturally, multi-reader/single-writer locks works best. I tried this with

Cheap lock for user mode processes release when process exits

2007-04-12 Thread mchu
Hi all, Maybe someone here knows better. I have several user-mode processes using shared mmap. There can be several reader processes and only one writer. Readers access the shared region frequently, writer seldom. Naturally, multi-reader/single-writer locks works best. I tried this with

Any faster and more efficient way to repeatedly access /proc/*

2007-03-08 Thread mchu
Hi, Is there a faster way to access "/proc/*" other than open it as a file and reading/parsing contents? e.g. fopen("/proc/stat", "r"); In BSD, there is the kvm method of access, which is relatively fast (light weight) In Linux, if I have a daemon that keeps track of these statistics, it's a

Any faster and more efficient way to repeatedly access /proc/*

2007-03-08 Thread mchu
Hi, Is there a faster way to access /proc/* other than open it as a file and reading/parsing contents? e.g. fopen(/proc/stat, r); In BSD, there is the kvm method of access, which is relatively fast (light weight) In Linux, if I have a daemon that keeps track of these statistics, it's a hell