From: Catalin Marinas <catalin.marinas@arm.com>
To: Uros Bizjak <ubizjak@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 1/2] err.h: Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions
Date: Wed, 14 Aug 2024 13:15:04 +0100 [thread overview]
Message-ID: <ZryfyGsvATiiKeAR@arm.com> (raw)
In-Reply-To: <20240813172543.38411-1-ubizjak@gmail.com>
On Tue, Aug 13, 2024 at 07:25:10PM +0200, Uros Bizjak wrote:
> Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions that
> operate on pointers in the percpu address space.
>
> These functions remove the need for (__force void *) function
> argument casts (to avoid sparse -Wcast-from-as warnings).
>
> The patch will also avoid future build errors due to pointer address
> space mismatch with enabled strict percpu address space checks.
>
> Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2024-08-14 12:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-13 17:25 [PATCH 1/2] err.h: Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions Uros Bizjak
2024-08-13 17:25 ` [PATCH 2/2] mm/kmemleak: Use IS_ERR_PCPU() for pointer in the percpu address space Uros Bizjak
2024-08-14 12:15 ` Catalin Marinas
2024-08-14 12:15 ` Catalin Marinas [this message]
2024-08-15 1:52 ` [PATCH 1/2] err.h: Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions kernel test robot
2024-08-15 4:29 ` kernel test robot
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