> I meant asm as in a .S file. But the code we have is fine for this purpose,
> at least for now.
There seem to be some drivers that call sync_core:
drivers/misc/sgi-gru/grufault.c:sync_core();
drivers/misc/sgi-gru/grufault.c:sync_core();/* make
sure
> On Aug 5, 2020, at 12:11 PM, Ricardo Neri
> wrote:
>
> On Wed, Aug 05, 2020 at 11:28:31AM -0700, Andy Lutomirski wrote:
>>> On Wed, Aug 5, 2020 at 10:07 AM Ricardo Neri
>>> wrote:
>>>
>>> On Wed, Aug 05, 2020 at 07:08:08AM +0200, Borislav Petkov wrote:
On Tue, Aug 04, 2020 at
On Wed, Aug 05, 2020 at 06:48:40AM +0200, Borislav Petkov wrote:
> On Tue, Aug 04, 2020 at 07:10:59PM -0700, Ricardo Neri wrote:
> > The SERIALIZE instruction gives software a way to force the processor to
> > complete all modifications to flags, registers and memory from previous
> > instructions
On Wed, Aug 05, 2020 at 07:08:08AM +0200, Borislav Petkov wrote:
> On Tue, Aug 04, 2020 at 09:58:25PM -0700, h...@zytor.com wrote:
> > Because why use an alternative to jump over one instruction?
> >
> > I personally would prefer to have the IRET put out of line
>
> Can't yet - SERIALIZE CPUs are
On Wed, Aug 05, 2020 at 11:28:31AM -0700, Andy Lutomirski wrote:
> On Wed, Aug 5, 2020 at 10:07 AM Ricardo Neri
> wrote:
> >
> > On Wed, Aug 05, 2020 at 07:08:08AM +0200, Borislav Petkov wrote:
> > > On Tue, Aug 04, 2020 at 09:58:25PM -0700, h...@zytor.com wrote:
> > > > Because why use an
On Wed, Aug 5, 2020 at 10:07 AM Ricardo Neri
wrote:
>
> On Wed, Aug 05, 2020 at 07:08:08AM +0200, Borislav Petkov wrote:
> > On Tue, Aug 04, 2020 at 09:58:25PM -0700, h...@zytor.com wrote:
> > > Because why use an alternative to jump over one instruction?
> > >
> > > I personally would prefer to
On August 4, 2020 10:08:08 PM PDT, Borislav Petkov wrote:
>On Tue, Aug 04, 2020 at 09:58:25PM -0700, h...@zytor.com wrote:
>> Because why use an alternative to jump over one instruction?
>>
>> I personally would prefer to have the IRET put out of line
>
>Can't yet - SERIALIZE CPUs are a minority
On Tue, Aug 04, 2020 at 09:58:25PM -0700, h...@zytor.com wrote:
> Because why use an alternative to jump over one instruction?
>
> I personally would prefer to have the IRET put out of line
Can't yet - SERIALIZE CPUs are a minority at the moment.
> and have the call/jmp replaced by SERIALIZE
On August 4, 2020 9:48:40 PM PDT, Borislav Petkov wrote:
>On Tue, Aug 04, 2020 at 07:10:59PM -0700, Ricardo Neri wrote:
>> The SERIALIZE instruction gives software a way to force the processor
>to
>> complete all modifications to flags, registers and memory from
>previous
>> instructions and
On Tue, Aug 04, 2020 at 07:10:59PM -0700, Ricardo Neri wrote:
> The SERIALIZE instruction gives software a way to force the processor to
> complete all modifications to flags, registers and memory from previous
> instructions and drain all buffered writes to memory before the next
> instruction is
The SERIALIZE instruction gives software a way to force the processor to
complete all modifications to flags, registers and memory from previous
instructions and drain all buffered writes to memory before the next
instruction is fetched and executed. Thus, it serves the purpose of
sync_core(). Use
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