[lkml]   [2013]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC GIT PULL] softirq: Consolidation and stack overrun fix
On 09/22/2013 09:24 AM, Peter Zijlstra wrote:
> As to the problem of GCC moving r13 about, some archs have some
> exceptions in the register allocator and leave some registers alone.
> IIRC MIPS has this and uses one of those (istr there's 2) for the
> per cpu base address.

You can force gcc to leave a register alone with the command line option


 \ /
  Last update: 2013-09-22 20:01    [W:0.082 / U:4.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site