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Re: [Xen-devel] [PATCH v4 2/6] arm/arm64/xen: use C inlines for privcmd_call
- To: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>, jmorris@xxxxxxxxx, sashal@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, catalin.marinas@xxxxxxx, will@xxxxxxxxxx, steve.capper@xxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, maz@xxxxxxxxxx, james.morse@xxxxxxx, vladimir.murzin@xxxxxxx, mark.rutland@xxxxxxx, tglx@xxxxxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, allison@xxxxxxxxxxx, info@xxxxxxxxx, alexios.zavras@xxxxxxxxx, sstabellini@xxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx, jgross@xxxxxxxx, stefan@xxxxxxxx, yamada.masahiro@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux@xxxxxxxxxxxxxxx, andrew.cooper3@xxxxxxxxxx
- From: Julien Grall <julien@xxxxxxx>
- Date: Mon, 16 Dec 2019 20:41:32 +0000
- Delivery-date: Mon, 16 Dec 2019 20:42:00 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hello,
On 04/12/2019 23:20, Pavel Tatashin wrote:
privcmd_call requires to enable access to userspace for the
duration of the hypercall.
Currently, this is done via assembly macros. Change it to C
inlines instead.
Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Reviewed-by: Julien Grall <julien@xxxxxxx>
Cheers,
--
Julien Grall
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