>>> On 19.09.17 at 16:39, wrote:
>> +static void *hvmemul_map_linear_addr(
>> +unsigned long linear, unsigned int bytes, uint32_t pfec,
>> +struct hvm_emulate_ctxt *hvmemul_ctxt)
>> +{
>> +struct vcpu *curr = current;
>> +void *err, *mapping;
>> +
>> +/* First and final gfns wh
> -Original Message-
> From: Alexandru Isaila [mailto:aisa...@bitdefender.com]
> Sent: 19 September 2017 15:14
> To: xen-devel@lists.xen.org
> Cc: Tim (Xen.org) ; George Dunlap
> ; jbeul...@suse.com; Andrew Cooper
> ; Ian Jackson ;
> konrad.w...@oracle.com; sstabell...@kernel.org; Wei Liu
>
>>> On 19.09.17 at 16:14, wrote:
> From: Andrew Cooper
>
> An access which crosses a page boundary is performed atomically by x86
> hardware, albeit with a severe performance penalty. An important corner
> case
> is when a straddled access hits two pages which differ in whether a
> translation
From: Andrew Cooper
An access which crosses a page boundary is performed atomically by x86
hardware, albeit with a severe performance penalty. An important corner case
is when a straddled access hits two pages which differ in whether a
translation exists, or in net access rights.
The use of hvm
