lkml.org 
[lkml]   [2009]   [Dec]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [mm][RFC][PATCH 0/11] mm accessor updates.
    On Wed, 16 Dec 2009 11:49:51 +0100
    Andi Kleen <andi@firstfloor.org> wrote:

    > On Wed, Dec 16, 2009 at 07:31:09PM +0900, KAMEZAWA Hiroyuki wrote:
    > > On Wed, 16 Dec 2009 11:28:06 +0100
    > > Andi Kleen <andi@firstfloor.org> wrote:
    > >
    > > > > > Also the patches didn't fare too well in testing unfortunately.
    > > > > >
    > > > > > I suspect we'll rather need multiple locks split per address
    > > > > > space range.
    > > > >
    > > > > This set doesn't include any changes of the logic. Just replace all mmap_sem.
    > > > > I think this is good start point (for introducing another logic etc..)
    > > >
    > > > The problem is that for range locking simple wrapping the locks
    > > > in macros is not enough. You need more changes.
    > > >
    > > maybe. but removing scatterred mmap_sem from codes is the first thing to do.
    > > I think this removing itself will take 3 month or a half year.
    > > (So, I didn't remove mmap_sem and leave it as it is.)
    >
    > I suspect you would just need to change them again then.
    >
    Do you have alternative recommendation rather than wrapping all accesses by
    special functions ?

    Thanks,
    -Kame



    \
     
     \ /
      Last update: 2009-12-16 14:05    [W:4.031 / U:0.212 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site