On Fri, 02 Apr 2010, NIIBE Yutaka wrote:
> NIIBE Yutaka wrote:
>> To have same semantics as other archs, I think that VIPT-WB cache
>> machine should have cache flush at ptep_set_wrprotect, so that memory
>> of the page has up-to-date data. Yes, it will be huge performance
>> impact for fork. Bu
On Fri, 2010-04-02 at 12:48 +0900, NIIBE Yutaka wrote:
> Thanks for your quick reply.
>
> James Bottomley wrote:
> > In COW breaking, the page table entry is copied, so A and B no longer
> > have page table entries at the same physical location. If the COW is
> > intact, A and B have the same phy
On Wed, Mar 31, 2010 at 11:32:50PM +0900, Hikaru MIYAGI wrote:
> Package: gcc-4.3
> Version: 4.3.2-1.1
> Severity: important
>
> wcstoll returns only the value for 32bit.
> For instance, wcstoll(L"1", NULL, 16) returns 0
> though it is sure to become 4294967296.
>
This is not reproducibl
NIIBE Yutaka wrote:
To have same semantics as other archs, I think that VIPT-WB cache
machine should have cache flush at ptep_set_wrprotect, so that memory
of the page has up-to-date data. Yes, it will be huge performance
impact for fork. But I don't find any good solution other than this
yet.
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