On 11/6/23 07:55, Joe L wrote:
> (1) I'd like (a) the problem report, and the full reasoning by Ard and
> Michael to be captured in the commit message, and (b) *minimally* a hint
> at the possible reordering, and at the PCI spec-based workaround, to be
> placed in the code comment
>
> (1) I'd like (a) the problem report, and the full reasoning by Ard and
> Michael to be captured in the commit message, and (b) *minimally* a hint
> at the possible reordering, and at the PCI spec-based workaround, to be
> placed in the code comment as well.
>
Laszlo, please forgive me if
On 03/11/2023 16:03, Kinney, Michael D wrote:
PCI Configuration read/write operations are non-posted, so the PCI
Configuration write operation should complete without the need for
an additional transaction. If you are seeing an issue, then it may
be in the implementation of the
, Hao A ; Ni, Ray
> ; Pedro Falcato ; Michael
> Brown
> Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/PciHostBridgeDxe: Add
> readback after final Cfg-Write
>
> On 11/3/23 01:03, Joe L wrote:
> > From: joelopez333
> >
> > REF:https://edk2.groups.io/g/devel/
On 11/3/23 01:03, Joe L wrote:
> From: joelopez333
>
> REF:https://edk2.groups.io/g/devel/topic/102310377#110456
>
> - Add a read after the final PCI Configuration space write
> in RootBridgeIoPciAccess.
>
> - When configuration space is strongly ordered, this ensures
> that program
From: joelopez333
REF:https://edk2.groups.io/g/devel/topic/102310377#110456
- Add a read after the final PCI Configuration space write
in RootBridgeIoPciAccess.
- When configuration space is strongly ordered, this ensures
that program execution cannot continue until the completion
is