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Re: [Xen-devel] [PATCH] xen/efi: Set nonblocking callbacks

To: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
From: Jürgen Groß <jgross@xxxxxxxx>
Date: Mon, 30 Sep 2019 08:47:06 +0200
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, IngoMolnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Delivery-date: Mon, 30 Sep 2019 06:47:15 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 27.09.19 17:49, Ross Lagerwall wrote:

Other parts of the kernel expect these nonblocking EFI callbacks to
exist and crash when running under Xen. Since the implementations of
xen_efi_set_variable() and xen_efi_query_variable_info() do not take any
locks, use them for the nonblocking callbacks too.

Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>


Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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References:
- [Xen-devel] [PATCH] xen/efi: Set nonblocking callbacks
  - From: Ross Lagerwall

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