Hi Dun,
Thanks for the notice on the other thread (v4 04/15).
I have a few more questions on this specific patch (and a few associated
commits related to it):
Why would we allow page table manipulation after `mIsReadOnlyPageTable`
is evaluated to TRUE?
As far as I can tell, `mIsReadOnlyPag
Hi Liming,
The subject line is not tagged edk2-stable202305, but I think that is the
intent.
I have no objections to merging this into edk2-stable202305.
Mike
> -Original Message-
> From: devel@edk2.groups.io On Behalf Of Michael
> Kubacki
> Sent: Friday, May 19, 2023 5:50 PM
> To: de
I rebased the commit and added Mike's R-b in the PR.
https://github.com/tianocore/edk2/pull/4401
On 5/17/2023 9:01 PM, Michael D Kinney wrote:
Reviewed-by: Michael D Kinney
-Original Message-
From: devel@edk2.groups.io On Behalf Of Michael
Kubacki
Sent: Wednesday, May 17, 2023 5:50
On Fri, 19 May 2023 at 18:32, Oliver Steffen wrote:
>
>
> Hi all,
>
> I had another look at this and I can now reproduce the issue consistently,
> with a quite minimal setup, on recent Linux kernel, Qemu, and EDK2.
> It requires rebooting the guest in a tight loop. It happens in silent
> and verbo
A summary email containing the presentation, supplementary files, and
next steps will go out on Monday to avoid the thread getting buried over
the weekend.
Thanks for your patience :)
On 5/19/2023 1:10 PM, Sheng Lean Tan wrote:
This was a good sharing! May I know where can I get the presentat
This was a good sharing! May I know where can I get the presentation slides?
Thanks.
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Quoting Oliver Steffen (2023-03-02 14:29:43)
> On Thu, Mar 2, 2023 at 11:50 AM Ard Biesheuvel <[1]a...@kernel.org> wrote:
>
> On Thu, 9 Feb 2023 at 16:15, Ard Biesheuvel <[2]a...@kernel.org> wrote:
> >
> > On Tue, 7 Feb 2023 at 13:58, Oliver Steffen <[3]ostef...@redhat.com>
> wrote:
I don’t think the atomic is going to help. The compiler honored the volatile by
doing a read, but assumed it would never change due to scoping. As you can see
in my example if the compiler thinks DeadLoopCount can be changed it will put
the check back in and assume the function can return. So an
I've submitted a bug report at
https://developercommunity.visualstudio.com/t/x64-codegen-with-optimizations-wrong-for/10369557
.
--
Rebecca Cran
On 5/19/23 09:31, Rebecca Cran wrote:
Just to add more data, I also tried with "volatile sig_atomic_t" as
someone suggested and both "/volatile:i
Just to add more data, I also tried with "volatile sig_atomic_t" as
someone suggested and both "/volatile:iso" and "/volatile:ms" with no
change in results.
--
Rebecca Cran
On 5/18/23 20:53, Ni, Ray wrote:
I think all the options we considered are workarounds. These might
break again if
Kvmtool allows guest VMs to be launched with or without a
CFI flash device.
When the kvmtool option '--flash ' is used to
launch a guest VM a CFI flash device maps the flash file that
was specified at the command line. The NorFlash driver uses
this flash as the variable storage backend.
However,
The VariableRuntimeDxe links with NvVarStoreFormattedLib which is
required to establish the dependency on OvmfPkg\VirtNorFlashDxe.
The VirtNorFlashDxe installs the gEdkiiNvVarStoreFormattedGuid to
indicate it has finished initialising the flash variable storage
and that the variable service can be
The PCD gEfiMdeModulePkgTokenSpaceGuid.PcdEmuVariableNvModeEnable
indicates if a variable driver will emulate the variable NV mode.
This PCD is defined as [PcdsFixedAtBuild, PcdsPatchableInModule,
PcdsDynamic, PcdsDynamicEx].
Some firmware builds may define this PCD as a dynamic PCD and
initialise
The patch "f07a9df9af60 ArmVirtPkg: Enable stack guard"
enabled stack overflow detection for ArmVirtPkg. Following
this patch, running UEFI shell command 'dmpstore' resulted
in a crash indicating a stack overflow. Invoking 'dmpstore'
results in recursive calls to CascadeProcessVariables ()
which ap
Kvmtool allows guest VMs to be launched with or without
a CFI flash device. The guest hardware configuration can
be seen in the device tree that Kvmtool hands off to the
guest firmware.
Therefore, add support to dynamically detect if a CFI
flash device is present. If CFI is present use the
NorFlas
The kvmtool option '--flash ' is used to launch
a guests VM with a CFI flash device that maps the flash file
specified at the command line.
However, kvmtool allows guest VMs to be launched without a CFI
flash device. In such scenarios the firmware can utilize the
emulated variable storage for UEFI
On Thu, May 18, 2023 at 4:16 PM Ranbir Singh wrote:
>
> FspData->PerfIdx is getting increased for every call unconditionally
> in the function SetFspMeasurePoint and hence memory access can happen
> for out of bound FspData->PerfData[] array entries also.
>
> Example -
>FspData->PerfData is an
From: VincentX Ke
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4428
Calculating CRC based on each ACPI table.
Update HWSignature filed in FACS based on CRC while ACPI table changed.
Change-Id: Ic0ca66ff10cda0fbcd0683020fab1bc9aea9b78c
Signed-off-by: VincentX Ke
Cc: Chasel Chiu
Cc: Nate
Ray and Gerd:
Can you give the comments for this change?
Thanks
Liming
> -邮件原件-
> 发件人: Li, Zhihao
> 发送时间: 2023年5月19日 16:11
> 收件人: Gao, Liming ; devel@edk2.groups.io; Ni,
> Ray ; kra...@redhat.com
> 抄送: Wang, Jian J
> 主题: RE: [PATCH v1 1/1] MdeModulePkg/VariableSmm.c: add Ap rendezvous
Hi Liming
In Ap-Relaxed mode, Bsp will not wait for all ap arrive and call the SMI
handlers. But some SMI handlers need all Aps arrive in smm mode such as
SmmSetVariable. As the design, SetVariable need to let all aps arrive because
it will write flash. Half year ago, I send the patch that call
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