linux-kernel - Re: [PATCH v2 0/6] selftests/x86: fix build errors and warnings found via clang

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Date: Fri, 31 May 2024 10:12:26 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: John Hubbard <jhubbard@...dia.com>, Dave Hansen <dave.hansen@...el.com>,
 Shuah Khan <shuah@...nel.org>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>,
 angquan yu <angquan21@...il.com>,
 "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
 Ingo Molnar <mingo@...nel.org>, Binbin Wu <binbin.wu@...ux.intel.com>,
 Alexey Dobriyan <adobriyan@...il.com>,
 Rick Edgecombe <rick.p.edgecombe@...el.com>,
 Sohil Mehta <sohil.mehta@...el.com>, Yu-cheng Yu <yu-cheng.yu@...el.com>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 Valentin Obst <kernel@...entinobst.de>, linux-kselftest@...r.kernel.org,
 LKML <linux-kernel@...r.kernel.org>, llvm@...ts.linux.dev, x86@...nel.org
Subject: Re: [PATCH v2 0/6] selftests/x86: fix build errors and warnings found
 via clang

On 5/31/24 1:00 AM, John Hubbard wrote:
> On 5/30/24 12:46 PM, Dave Hansen wrote:
>> On 5/27/24 14:00, John Hubbard wrote:
>>> John Hubbard (6):
>>>    selftests/x86: build test_FISTTP.c with clang
>>>    selftests/x86: build fsgsbase_restore.c with clang
>>>    selftests/x86: build sysret_rip.c with clang
>>>    selftests/x86: avoid -no-pie warnings from clang during compilation
>>>    selftests/x86: remove (or use) unused variables and functions
>>>    selftests/x86: fix printk warnings reported by clang
>>
>> John, could you and Muhammad have a chat and perhaps settle on a series
>> series that gets acks from both of you?
>>
>>> https://lore.kernel.org/all/20240501122918.3831734-1-usama.anjum@collabora.com/
>>
>> I had Muhammad's in my queue and didn't realize we had two overlapping
>> series' bouncing around until now.
> 
> Aha OK. Muhummad, after looking through this, I see that our
> test_FISTTP.c fix is identical, and that's about it. My series goes
> a bit deeper IMHO and completely fixes all the errors; the tradeoff
> is that it is more intrusive. Which I think is appropriate.
> 
> Would you be OK with my posting v3 that uses your patch for
> test_FISTTP.c [1], and the rest of my patches for the rest?
Yeah, sure go ahead. I'll test/review the v3 series.

> 
> 
> [1]
> https://lore.kernel.org/all/20240501122918.3831734-7-usama.anjum@collabora.com/
> 
> thanks,

-- 
BR,
Muhammad Usama Anjum