linux-kernel - Re: [PATCH 4.9 00/14] 4.9.193-stable review

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Date:   Sat, 14 Sep 2019 17:49:32 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, shuah@...nel.org, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>
Subject: Re: [PATCH 4.9 00/14] 4.9.193-stable review

Hi Greg,

On 9/14/19 1:31 AM, Greg Kroah-Hartman wrote:
> On Sat, Sep 14, 2019 at 01:28:39AM -0700, Guenter Roeck wrote:
>> On 9/13/19 6:06 AM, Greg Kroah-Hartman wrote:
>>> This is the start of the stable review cycle for the 4.9.193 release.
>>> There are 14 patches in this series, all will be posted as a response
>>> to this one.  If anyone has any issues with these being applied, please
>>> let me know.
>>>
>>> Responses should be made by Sun 15 Sep 2019 01:03:32 PM UTC.
>>> Anything received after that time might be too late.
>>>
>>
>> Is it really only me seeing this ?
>>
>> drivers/vhost/vhost.c: In function 'translate_desc':
>> include/linux/compiler.h:549:38: error: call to '__compiletime_assert_1879' declared with attribute error: BUILD_BUG_ON failed: sizeof(_s) > sizeof(long)
>>
>> i386:allyesconfig, mips:allmodconfig and others, everywhere including
>> mainline. Culprit is commit a89db445fbd7f1 ("vhost: block speculation
>> of translated descriptors").
> 
> Nope, I just got another report of this on 5.2.y.  Problem is also in
> Linus's tree :(
> 

Please apply upstream commit 0d4a3f2abbef ("Revert "vhost: block speculation
of translated descriptors") to v4.9.y-queue and later to fix the build problems.
Or maybe just drop the offending commit from the stable release queues.

Thanks,
Guenter