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Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st

From: Peter Maydell
Subject: Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns
Date: Sat, 8 Aug 2015 14:57:02 +0100

On 8 August 2015 at 13:44, Aurelien Jarno <address@hidden> wrote:
> On 2015-08-07 19:03, Alvise Rigo wrote:
>> Introduce the new --enable-tcg-ldst-excl configure option to enable the
>> LL/SC operations only for those backends that support them.
>> Suggested-by: Jani Kokkonen <address@hidden>
>> Suggested-by: Claudio Fontana <address@hidden>
>> Signed-off-by: Alvise Rigo <address@hidden>
>> ---
>>  configure | 21 +++++++++++++++++++++
>>  1 file changed, 21 insertions(+)
> We have seen that for this kind of patch, it's better to add support in
> all backends, otherwise it takes ages to get all the backends converted.
> I think you should involve the backend maintainers. I can try to provide
> the corresponding patches for mips and ia64.

...and if we do need to do it one backend at a time we should do
this automatically, not by requiring users to give configure

-- PMM

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