linux-kernel - Re: [PATCH 15/15] x86/atomics: Remove !CONFIG_X86

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Message-ID: <5c175b6a-e9c8-2546-a4fe-98572c3f4935@gmail.com>
Date: Fri, 25 Apr 2025 16:10:30 +0200
From: Uros Bizjak <ubizjak@...il.com>
To: Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Cc: "Ahmed S . Darwish" <darwi@...utronix.de>,
 Andrew Cooper <andrew.cooper3@...rix.com>, Ard Biesheuvel <ardb@...nel.org>,
 Arnd Bergmann <arnd@...nel.org>, Borislav Petkov <bp@...en8.de>,
 Dave Hansen <dave.hansen@...ux.intel.com>, "H . Peter Anvin"
 <hpa@...or.com>, John Ogness <john.ogness@...utronix.de>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 15/15] x86/atomics: Remove !CONFIG_X86_CX8 methods

On 25. 04. 25 10:42, Ingo Molnar wrote:

> -#endif
> +#define arch_cmpxchg64			__cmpxchg64
> +#define arch_cmpxchg64_local		__cmpxchg64_local
> +#define arch_try_cmpxchg64		__try_cmpxchg64
> +#define arch_try_cmpxchg64_local	__try_cmpxchg64_local
>   
>   #define system_has_cmpxchg64()		boot_cpu_has(X86_FEATURE_CX8)

#define system_has_cmpxchg64()		1

Uros.