[lkml]   [2002]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Intel P6 vs P7 system call performance

On Tue, 17 Dec 2002, Ulrich Drepper wrote:
> This is why I'd say mkae no distinction at all. Have the first
> nr_syscalls * 8 bytes starting at 0xfffff000 as a jump table.

No, the way sysenter works, the table approach just sucks up dcache space
(the kernel cannot know which sysenter is the one that the user uses
anyway, so the jump table would have to just add back some index and we'd
be back exactly where we started)

I'll keep it the way it is now.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:31    [W:0.133 / U:2.880 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site