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Re: [PATCH v4 06/14] xen/asm-generic: introduce generic header percpu.h
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 27 Nov 2023 15:33:01 +0100
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Julien Grall <jgrall@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 27 Nov 2023 14:33:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 27.11.2023 15:13, Oleksii Kurochko wrote:
> The patch introduces generic percpu.h which was based on Arm's version
> with the following changes:
> * makes __per_cpu_data_end[] constant
> * introduce get_per_cpu_offset() for macros this_cpu() and this_cpu_ptr()
> * add inclustion of <asm/current.h> as get_per_cpu_offset() is located there.
>
> Also it was changed a place where <asm/percpu.h> is included in <xen/percpu.h>
> because asm-generic version of percpu.h started to include <asm/current.h>
> which
> requires definition of DECLARE_PER_CPU.
>
> As well the patch switches Arm, PPC and x86 architectures to use asm-generic
> version of percpu.h.
>
> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
> Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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