> The new API is a lot simpler, and it is INTENT driven.
> This means that PAT (for 2.6.26) no longer has to second guess various things
> and capabilities, it just gets a set_memory_uc() or set_memory_wc() call and
AFAIK there is no valid use case where you would ever change PAT
bits on a page
On Mon, 28 Jan 2008 15:56:21 +0100
Andi Kleen <[EMAIL PROTECTED]> wrote:
> Arjan van de Ven <[EMAIL PROTECTED]> writes:
>
> > Right now, if drivers or other code want to change, say, a cache
> > attribute of a page, the only API they have is change_page_attr().
> > c-p-a is a really bad API for
Arjan van de Ven <[EMAIL PROTECTED]> writes:
> Right now, if drivers or other code want to change, say, a cache attribute of
> a
> page, the only API they have is change_page_attr(). c-p-a is a really bad API
> for this, because it forces the caller to know *ALL* the attributes he wants
> for
The new API is a lot simpler, and it is INTENT driven.
This means that PAT (for 2.6.26) no longer has to second guess various things
and capabilities, it just gets a set_memory_uc() or set_memory_wc() call and
AFAIK there is no valid use case where you would ever change PAT
bits on a page you
Arjan van de Ven [EMAIL PROTECTED] writes:
Right now, if drivers or other code want to change, say, a cache attribute of
a
page, the only API they have is change_page_attr(). c-p-a is a really bad API
for this, because it forces the caller to know *ALL* the attributes he wants
for the page,
On Mon, 28 Jan 2008 15:56:21 +0100
Andi Kleen [EMAIL PROTECTED] wrote:
Arjan van de Ven [EMAIL PROTECTED] writes:
Right now, if drivers or other code want to change, say, a cache
attribute of a page, the only API they have is change_page_attr().
c-p-a is a really bad API for this,
Subject: x86: a new API for drivers/etc to control cache and other page
attributes
From: Arjan van de Ven <[EMAIL PROTECTED]>
Right now, if drivers or other code want to change, say, a cache attribute of a
page, the only API they have is change_page_attr(). c-p-a is a really bad API
for this,
Subject: x86: a new API for drivers/etc to control cache and other page
attributes
From: Arjan van de Ven [EMAIL PROTECTED]
Right now, if drivers or other code want to change, say, a cache attribute of a
page, the only API they have is change_page_attr(). c-p-a is a really bad API
for this,
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