Received-SPF: pass (google.com: domain of linux-kernel+bounces-20928-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
Message-ID: <d7ac4bae-3ab5-446b-9230-58dd01637375@embeddedor.com>
Date: Tue, 9 Jan 2024 07:59:33 -0600
Precedence: bulk
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH][next] media: venus: hfi_cmds: Replace one-element array
 with flex-array member and use __counted_by
Content-Language: en-US
To: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Kees Cook <keescook@chromium.org>,
 "Gustavo A. R. Silva" <gustavoars@kernel.org>,
 Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
 Vikash Garodia <quic_vgarodia@quicinc.com>,
 Bryan O'Donoghue <bryan.odonoghue@linaro.org>, Andy Gross
 <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>,
 Konrad Dybcio <konrad.dybcio@linaro.org>,
 Mauro Carvalho Chehab <mchehab@kernel.org>, linux-media@vger.kernel.org,
 linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-hardening@vger.kernel.org
References: <ZSRJfRdUXQOzagKr@work> <202310091252.660CFA9@keescook>
 <20240109124026.GA1012017@google.com>
 <b8686724-9351-4f40-a587-fcbba5b0eb14@embeddedor.com>
 <20240109132831.GD1012017@google.com>
From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
In-Reply-To: <20240109132831.GD1012017@google.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit


On 1/9/24 07:28, Sergey Senozhatsky wrote:
> On (24/01/09 07:17), Gustavo A. R. Silva wrote:
>>
>>> Sorry for shameless plug, a quick question: has any compiler implemented
>>> support for counted_by() at this point?
>>>
>>
>> Not yet. And at least for GCC, it's expected to be released in v15.
> 
> I see. Thank you.
> 
> I got confused by include/linux/compiler_attributes.h comment, as I'm on
> clang-18 currently, seems that we need to bump min compilers version.

Ah yes, compiler devs have been running into some issues, and they had to
postpone the release of the attribute.

> Oh, and clang link 404-s on me. I'll send a quick patch, I guess.
> 

You're right, ick!

--
Gustavo