Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1705768

Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path

Show all headers | View raw

On Mon, 7 Aug 2017, Laura Abbott wrote:

> > Ok I see that the objects are initialized with poisoning and redzoning but
> > I do not see that there is fastpath code to actually check the values
> > before the object is reinitialized. Is that intentional or am
> > I missing something?
>
> Yes, that's intentional here. I see the validation as a separate more
> expensive feature. I had a crude patch to do some checks for testing
> and I know Daniel Micay had an out of tree patch to do some checks
> as well.

Ok then this patch does nothing? How does this help?

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Laura Abbott <labbott@redhat.com> - 2017-08-05 01:20 +0200
  Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Christopher Lameter <cl@linux.com> - 2017-08-07 16:40 +0200
    Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Laura Abbott <labbott@redhat.com> - 2017-08-07 19:50 +0200
      Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Christopher Lameter <cl@linux.com> - 2017-08-07 20:10 +0200
        Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Laura Abbott <labbott@redhat.com> - 2017-08-08 00:10 +0200
          Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Kees Cook <keescook@chromium.org> - 2017-08-08 00:30 +0200
            Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Christopher Lameter <cl@linux.com> - 2017-08-08 17:10 +0200
              Re: [RFC][PATCH] mm/slub.c: Allow poisoning to use the fast path Kees Cook <keescook@chromium.org> - 2017-08-08 21:10 +0200

csiph-web