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Re: [Qemu-devel] [PATCH 1/2] seccomp: Whitelist cacheflush since 2.2.0 n

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH 1/2] seccomp: Whitelist cacheflush since 2.2.0 not 2.2.3
Date: Fri, 8 Apr 2016 12:54:54 +0100

On 8 April 2016 at 12:45, Andrew Jones <address@hidden> wrote:
> On Mon, Apr 04, 2016 at 09:29:15AM +0100, James Hogan wrote:
>> The cacheflush system call (found on MIPS and ARM) has been included in
>> the libseccomp header since 2.2.0, so include include it back to that
>> version. Previously it was only enabled since 2.2.3 since that is when
>> it was enabled properly for ARM.
>> This will allow seccomp support to be enabled for MIPS back to
>> libseccomp 2.2.0.
>> Signed-off-by: James Hogan <address@hidden>
>> Cc: Eduardo Otubo <address@hidden>
>> Cc: Aurelien Jarno <address@hidden>
>> ---
>>  qemu-seccomp.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
> Reviewed-By: Andrew Jones <address@hidden>

Andrew: when we originally put this ifdeffery in you said
"libseccomp didn't know about cacheflush until 2.2.1, and we
 require 2.2.3 for other reasons"

Has something changed, were you just wrong back then, or have
you forgotten something this time around? (Do you remember what
the "other reasons" were?)

-- PMM

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