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Re: [PATCH] xen/link: Don't separate .data.read_mostly from .data
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 13 Nov 2026 09:30:49 +0100
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- Cc: Roger Pau Monné <roger@xxxxxxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Baptiste Le Duc <baptiste.le-duc@xxxxxxxxxx>, Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>, Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Fri, 13 Nov 2026 08:30:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12.11.2026 19:58, Andrew Cooper wrote:
> This appears to be an error in x86 which got copied into all other
> architectures. .data.read_mostly is an internal detail, and none of the
> similar sections get exposed externally.
Why "error" though? Our linking scripts were, aiui, originally derived from
Linux'es, where the section (and many others) was also separate back at the
time. It just so happened that folding of various output sections never has
gone as far as also dealing with this one.
> Simply place .data.read_mostly in .data.
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Preferably with the description adjusted a little:
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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