Re: [PATCH v3 00/15] xen/arm: Bug fixes for the vGIC

[Julien Grall <julien.grall@linaro.org>]

Hi Ian,

On 20/02/15 10:14, Ian Campbell wrote:
> On Thu, 2015-02-19 at 18:01 +0000, Julien Grall wrote:
>> Based on the discussion, what about waiting until someone complain about
>> GICv3 support on Xen 4.5?
> 
> That sounds like a reasonable compromise.
> 
> My potential backports list now contains:
> 
> xen/arm: Bug fixes for the vGIC
> -> 15 patch series, many of which are tagged for backport.
> 
>  -> Julien: The list of GICv2 patches candidate for backporting are: #10, #11,
>     #12, #13.
> fed3569 xen/arm: vgic-v2: Correctly set GICD_TYPER.CPUNumber
> 1fefa55 xen/arm: vgic-v2: Correctly handle RAZ/WI registers
> 26ea82f xen/arm: vgic-v2: Take the lock when writing into GICD_CTLR
> 10af92d xen/arm: vgic-v2: GICD_I{S, C}PENDR* are only word-accessible
> 
>  -> Julien: Based on the discussion, what about waiting until someone complain about
>     GICv3 support on Xen 4.5?
> 8206d05 xen/arm: vgic-v3: Correctly set GICD_TYPER.IDbits
> 834551b xen/arm: vgic-v3: Correctly set GICD_TYPER.CPUNumber
> 5e6958a xen/arm: vgic-v3: Correctly handle RAZ/WI registers
> cfef895 xen/arm: vgic-v3: Correctly implement read into GICR_NSACR
> acf65e5 xen/arm: vgic-v3: Emulate correctly the re-distributor

The re-distributor patch required 196f4ef and 4636e9f.

>  -> Not tagged for backport:
> 8d91d64 xen/arm: vgic-v3: Correctly handle GICD_CTLR

Hmmm... I'm not sure why I didn't request a backport for this one. It
looks like the guest may read it to see what is enabled.

> 4636e9f xen/arm: vgic-v3: Set stride during domain initialization
> 196f4ef xen/arm: vgic-v3: Use a struct to describe contiguous rdist regions
> b697071 xen/arm: vgic-v3: Clarify which distributor is used in the common emulation
> a41d809 xen/arm: vgic: Drop iactive, ipend, pendsgi field
> 98e7c60 xen/arm: gic-v3: Update some comments in the code

Regards,

-- 
Julien Grall