On 04.10.2025 00:53, Andrew Cooper wrote:
> Under FRED, entry_from_pv() handles everything, even system calls. This means
> more of our logic is written in C now, rather than assembly.
>
> In order to facilitate this, introduce pv_inject_callback(), which reuses
> struct trap_bounce infrastructur
On 04.10.2025 00:53, Andrew Cooper wrote:
> ERETU can fault for guest reasons, and like IRET needs special handling to
> forward the error into the guest.
>
> As this is largely written in C, take the opportunity to better classify the
> sources of error, and in particilar, not forward errors that
On 08.10.2025 13:20, Roger Pau Monné wrote:
> On Mon, Sep 29, 2025 at 07:35:53PM -0400, Jason Andryuk wrote:
>> On 2025-09-25 08:18, Teddy Astie wrote:
>>> Le 25/09/2025 à 12:48, Jan Beulich a écrit :
Along with Zen2 (which doesn't expose ERMS), both families reportedly
suffer from sub-op
Rather than unconditionally accepting reads and writes while discarding
the value written, make accesses properly conditional upon CMCI being
exposed via MCG_CAP, and arrange to actually retain the value written.
Also reflect the extra LVT in LVR.
Note that this doesn't change the status quo of us
On 08.10.2025 17:07, Roger Pau Monné wrote:
> On Wed, Oct 08, 2025 at 04:42:13PM +0200, Jan Beulich wrote:
>> On 08.10.2025 16:30, Roger Pau Monné wrote:
>>> On Wed, Oct 08, 2025 at 11:47:05AM +0200, Jan Beulich wrote:
Even the 2018 edition of The Open Group Base Specifications Issue 7 [1]
>>>
On Wed, Oct 08, 2025 at 04:39:23PM +0200, Roger Pau Monne wrote:
> I've had the luck to come across a PCI card that exposes a MSI-X capability
> where the BIR of the vector and PBA tables points at a BAR that has 0 size.
>
> This doesn't play nice with the code in vpci_make_msix_hole(), as it woul
On 08.10.2025 16:30, Roger Pau Monné wrote:
> On Wed, Oct 08, 2025 at 11:47:05AM +0200, Jan Beulich wrote:
>> Even the 2018 edition of The Open Group Base Specifications Issue 7 [1]
>> doesn't name -E as a standard option; only Issue 8 [2] does. As there's
>> nothing "extended" about the expression
On 08/10/2025 3:08 pm, Jürgen Groß wrote:
> On 08.10.25 15:33, Andrew Cooper wrote:
>> Anyway - /dev/xen/privcmd (and /hypercall) shouldn't be tied to xenfs.
>> They should be SIF_PRIVILEGED alone, should they not?
>
> I don't think they should be tied to SIF_PRIVILEGED, as device model ops
> are h
On Wed, Oct 08, 2025 at 11:47:05AM +0200, Jan Beulich wrote:
> Even the 2018 edition of The Open Group Base Specifications Issue 7 [1]
> doesn't name -E as a standard option; only Issue 8 [2] does. As there's
> nothing "extended" about the expression used, simply drop the -E.
>
> [1] https://pubs.
On 08/10/2025 2:54 pm, Jan Beulich wrote:
> On 08.10.2025 15:33, Andrew Cooper wrote:
>> Hello,
>>
>> I'm doing a deployment of Xen on a remote system provisioned with Ubuntu
>> 24.04, and I've found what I'm pretty sure is a bug.
>>
>> In dom0, to start with:
>>
>> user@host:~$ ls -la /dev/xen/
>>
Hello,
(Related to my "Linux xenfs vs privcmd" email, if anyone was wondering
why I ended up playing with systemd manually)
It turns out that when you build on a systemd-enabled system, you still
need to explicitly --enable-systemd to get a working debball.
This is contrary to most other behavio
On 08/10/2025 1:08 pm, Jan Beulich wrote:
> In preparation to add support for the CMCI LVT, which is discontiguous to
> the other LVTs, add a level of indirection.
It's not the only extra LVT.
AMD have Extended LVTs, which are necessary if we want to get virt-PMU
working.
https://sandpile.org/x8
Even the 2018 edition of The Open Group Base Specifications Issue 7 [1]
doesn't name -E as a standard option; only Issue 8 [2] does. As there's
nothing "extended" about the expression used, simply drop the -E.
[1] https://pubs.opengroup.org/onlinepubs/9699919799/
[2] https://pubs.opengroup.org/onl
On Tue, Oct 07, 2025 at 07:49:37PM -0400, Jason Andryuk wrote:
> On 2025-10-03 05:20, Anthony PERARD wrote:
> > On Fri, Oct 03, 2025 at 10:09:31AM +0200, Roger Pau Monné wrote:
> > > On Thu, Oct 02, 2025 at 07:42:38PM -0400, Jason Andryuk wrote:
> > > > @@ -601,7 +618,8 @@ M: Roger Pau Monné
> >
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