"Siddha, Suresh B" <[EMAIL PROTECTED]> writes:
> Yes. We are looking for comments for our proposal to track the
> reserved/non-reserved regions some what different.
> This is the critical issue which had been holding off PAT for years now...
The mattr infrastructure appears to do a decent job of
Siddha, Suresh B [EMAIL PROTECTED] writes:
Yes. We are looking for comments for our proposal to track the
reserved/non-reserved regions some what different.
This is the critical issue which had been holding off PAT for years now...
The mattr infrastructure appears to do a decent job of
> For now, we don't track RAM pages using memattr infrastructure. This is
> because,
> memattr infrastructure is not enough. i.e., while the page is getting
> tracked using memattr infrastructure,
> potentially the page can get
> freed(a bug that we need to catch, to avoid attribute aliasing).
On Thu, Dec 13, 2007 at 09:48:36PM -0700, Eric W. Biederman wrote:
> Roland Dreier <[EMAIL PROTECTED]> writes:
>
> > > > Also I didn't see anything like pgprot_wc() in the patchset (although
> >
> > > pgprot_writcombined.
> >
> > Oh I see it now (pgprot_writecombine() actually).
> >
> > However
On Thu, Dec 13, 2007 at 09:48:36PM -0700, Eric W. Biederman wrote:
Roland Dreier [EMAIL PROTECTED] writes:
Also I didn't see anything like pgprot_wc() in the patchset (although
pgprot_writcombined.
Oh I see it now (pgprot_writecombine() actually).
However the same comment as
For now, we don't track RAM pages using memattr infrastructure. This is
because,
memattr infrastructure is not enough. i.e., while the page is getting
tracked using memattr infrastructure,
potentially the page can get
freed(a bug that we need to catch, to avoid attribute aliasing).
That
Roland Dreier <[EMAIL PROTECTED]> writes:
> > > Also I didn't see anything like pgprot_wc() in the patchset (although
>
> > pgprot_writcombined.
>
> Oh I see it now (pgprot_writecombine() actually).
>
> However the same comment as before applies: there needs to be a
> fallback to
> > Also I didn't see anything like pgprot_wc() in the patchset (although
> pgprot_writcombined.
Oh I see it now (pgprot_writecombine() actually).
However the same comment as before applies: there needs to be a
fallback to pgprot_noncached() for all other architectures so that
drivers can
Roland Dreier <[EMAIL PROTECTED]> writes:
> > --- linux-2.6.24-rc4.orig/include/asm-x86/io_64.h 2007-12-11
> 14:24:56.0 -0800
> > +++ linux-2.6.24-rc4/include/asm-x86/io_64.h 2007-12-11 15:49:52.0
> -0800
> > @@ -142,7 +142,8 @@
> > * it's useful if some control registers are
> --- linux-2.6.24-rc4.orig/include/asm-x86/io_64.h2007-12-11
> 14:24:56.0 -0800
> +++ linux-2.6.24-rc4/include/asm-x86/io_64.h 2007-12-11 15:49:52.0
> -0800
> @@ -142,7 +142,8 @@
> * it's useful if some control registers are in such an area and write
> combining
>
Forward port of ioremap.patch to x86 tree.
Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]>
Signed-off-by: Suresh Siddha <[EMAIL PROTECTED]>
---
Index: linux-2.6.24-rc4/arch/x86/mm/ioremap_64.c
===
---
Forward port of ioremap.patch to x86 tree.
Signed-off-by: Venkatesh Pallipadi [EMAIL PROTECTED]
Signed-off-by: Suresh Siddha [EMAIL PROTECTED]
---
Index: linux-2.6.24-rc4/arch/x86/mm/ioremap_64.c
===
---
--- linux-2.6.24-rc4.orig/include/asm-x86/io_64.h2007-12-11
14:24:56.0 -0800
+++ linux-2.6.24-rc4/include/asm-x86/io_64.h 2007-12-11 15:49:52.0
-0800
@@ -142,7 +142,8 @@
* it's useful if some control registers are in such an area and write
combining
* or
Also I didn't see anything like pgprot_wc() in the patchset (although
pgprot_writcombined.
Oh I see it now (pgprot_writecombine() actually).
However the same comment as before applies: there needs to be a
fallback to pgprot_noncached() for all other architectures so that
drivers can
Roland Dreier [EMAIL PROTECTED] writes:
Also I didn't see anything like pgprot_wc() in the patchset (although
pgprot_writcombined.
Oh I see it now (pgprot_writecombine() actually).
However the same comment as before applies: there needs to be a
fallback to pgprot_noncached() for all
Roland Dreier [EMAIL PROTECTED] writes:
--- linux-2.6.24-rc4.orig/include/asm-x86/io_64.h 2007-12-11
14:24:56.0 -0800
+++ linux-2.6.24-rc4/include/asm-x86/io_64.h 2007-12-11 15:49:52.0
-0800
@@ -142,7 +142,8 @@
* it's useful if some control registers are in such an
16 matches
Mail list logo