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Re: [for-4.20][PATCH] xen/arm64: Drop relocate_and_switch_ttbr() stub
- To: Michal Orzel <michal.orzel@xxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Wed, 8 Jan 2025 09:01:44 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, "oleksii.kurochko@xxxxxxxxx" <oleksii.kurochko@xxxxxxxxx>
- Delivery-date: Wed, 08 Jan 2025 09:02:01 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [for-4.20][PATCH] xen/arm64: Drop relocate_and_switch_ttbr() stub
> On 8 Jan 2025, at 07:57, Michal Orzel <michal.orzel@xxxxxxx> wrote:
>
> In the original patch e7a80636f16e ("xen/arm: add cache coloring support
> for Xen image"), the stub was added under wrong assumption that DCE
> won't remove the function call if it's not static. This assumption is
> incorrect as we already rely on DCE for cases like this one. Therefore
> drop the stub, that otherwise would be a place potentially prone to
> errors in the future.
>
> Suggested-by: Julien Grall <julien@xxxxxxx>
> Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
> ---
Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxxxx>
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