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Message-ID: <jnpv2ijtmiq4ubnimt7ofgq7pjbygyq3ggqsppgqcqvwigdnpr@urnckuntqx2i>
Date: Tue, 12 Mar 2024 14:36:19 +0200
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Yosry Ahmed <yosryahmed@...gle.com>
Cc: x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>,
Andy Lutomirski <luto@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
Rick Edgecombe <rick.p.edgecombe@...el.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits
error checking
On Tue, Mar 12, 2024 at 03:59:51AM +0000, Yosry Ahmed wrote:
> There are two separate checks in prctl_enable_tagged_addr() that nr_bits
> is in the correct range. The checks are arranged such the correct case
> is sandwiched between both error cases, which do exactly the same thing.
>
> Simplify the if condition and pull the correct case outside with the
> rest of the success code path.
>
> Signed-off-by: Yosry Ahmed <yosryahmed@...gle.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
--
Kiryl Shutsemau / Kirill A. Shutemov
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