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Date:   Mon, 17 Apr 2023 11:32:19 -0700
From:   "H. Peter Anvin" <hpa@zytor.com>
To:     Borislav Petkov <bp@alien8.de>, Willy Tarreau <w@1wt.eu>
CC:     Jingbo Xu <jefflexu@linux.alibaba.com>, tglx@linutronix.de,
        mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: =?US-ASCII?Q?Re=3A_=5BBUG_REPORT=5D_arch/x86/include/asm/uac?= =?US-ASCII?Q?cess=5F64=2Eh=3A119=3A_Error=3A_junk_at_end_of_line?=
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On April 17, 2023 11:14:17 AM PDT, Borislav Petkov <bp@alien8=2Ede> wrote:
>On Sun, Apr 16, 2023 at 10:36:36AM +0200, Willy Tarreau wrote:
>> =2E=2E=2E
>> So it just means that the support for the "U" suffix on numbers was
>> added in binutils 2=2E27 and the "L" suffix on numbers was added somewh=
ere
>> between 2=2E27 and 2=2E29=2E
>
>Thanks for that - I'd like to document this once I've hashed out with
>the toolchain person the proper binutils versions which got this
>support=2E But that'll come later=2E
>
>> And given that there's a single occurrence of all this in the whole tre=
e,
>> that's why I'm proposing to just get back to the good old (1 << 0) inst=
ead
>> of BIT(0)=2E
>
>Yeah, we have those UC() macro things but they don't work in inline asm
>in C code=2E So yeah, pls do the thing you're suggesting=2E
>
>Thx=2E
>

We do have assembly-aware macros for this; I believe they are called _UL()=
 etc=2E