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Re: [PATCH v2 10/12] x86/pv: Move x86/trace.c to x86/pv/trace.c
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 21 Sep 2021 17:58:25 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 21 Sep 2021 15:58:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20.09.2021 19:25, Andrew Cooper wrote:
> This entire file is pv-only, and not excluded from the build by
> CONFIG_TRACEBUFFER. Move it into the pv/ directory, build it conditionally,
> and drop unused includes.
>
> Also move the contents of asm/trace.h to asm/pv/trace.h to avoid the functions
> being declared across the entire hypervisor.
>
> One caller in fixup_page_fault() is effectively PV only, but is not subject to
> dead code elimination. Add an additional IS_ENABLED(CONFIG_PV) to keep the
> build happy.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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