On Tue, 2014-07-15 at 15:32 +0100, Andrew Cooper wrote:
> On 15/07/14 14:48, Frediano Ziglio wrote:
> > sync_test_bit function require a long* read access to pointer.
> > This is a problem if the you are using last entry in the page causing
> > an access to next page. If this page is not readable
On Tue, Jul 15, 2014 at 03:32:58PM +0100, Andrew Cooper wrote:
> On 15/07/14 14:48, Frediano Ziglio wrote:
> > sync_test_bit function require a long* read access to pointer.
> > This is a problem if the you are using last entry in the page causing
> > an access to next page. If this page is not
On 15/07/14 14:48, Frediano Ziglio wrote:
> sync_test_bit function require a long* read access to pointer.
> This is a problem if the you are using last entry in the page causing
> an access to next page. If this page is not readable you get a memory
> access failure (page fault).
> All other x64
On 15/07/14 14:48, Frediano Ziglio wrote:
sync_test_bit function require a long* read access to pointer.
This is a problem if the you are using last entry in the page causing
an access to next page. If this page is not readable you get a memory
access failure (page fault).
All other x64 bit
On Tue, Jul 15, 2014 at 03:32:58PM +0100, Andrew Cooper wrote:
On 15/07/14 14:48, Frediano Ziglio wrote:
sync_test_bit function require a long* read access to pointer.
This is a problem if the you are using last entry in the page causing
an access to next page. If this page is not readable
On Tue, 2014-07-15 at 15:32 +0100, Andrew Cooper wrote:
On 15/07/14 14:48, Frediano Ziglio wrote:
sync_test_bit function require a long* read access to pointer.
This is a problem if the you are using last entry in the page causing
an access to next page. If this page is not readable you get
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