From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Alexander Gordeev <agordeev@linux.ibm.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-s390@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, x86@kernel.org
Subject: Re: [PATCH 1/4] mm/page_table_check: Pass mm_struct to pxx_user_accessible_page()
Date: Thu, 26 Feb 2026 18:04:04 +0100 [thread overview]
Message-ID: <bfebf3ca-8c2a-4dab-9885-d061c9b79487@kernel.org> (raw)
In-Reply-To: <68c2f6df2955033cbf1ccbd2b5c2816e72ac345c.1771845678.git.agordeev@linux.ibm.com>
On 2/23/26 12:53, Alexander Gordeev wrote:
> From: Tobias Huschle <huschle@linux.ibm.com>
>
> Unlike other architectures, s390 does not have means to
> distinguish kernel vs user page table entries - neither
> an entry itself, nor the address could be used for that.
> It is only the mm_struct that indicates whether an entry
> in question is mapped to a user space. So pass mm_struct
> to pxx_user_accessible_page() callbacks.
>
> [agordeev@linux.ibm.com: rephrased commit message, removed braces]
>
> Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
> Signed-off-by: Tobias Huschle <huschle@linux.ibm.com>
> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
> ---
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
--
Cheers,
David
next prev parent reply other threads:[~2026-02-26 17:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-23 11:53 [PATCH 0/4] mm/pgtable: Support for page table check on s390 Alexander Gordeev
2026-02-23 11:53 ` [PATCH 1/4] mm/page_table_check: Pass mm_struct to pxx_user_accessible_page() Alexander Gordeev
2026-02-23 18:13 ` Andrew Morton
2026-02-24 6:06 ` Alexander Gordeev
2026-02-24 13:04 ` Vasily Gorbik
2026-02-26 17:04 ` David Hildenbrand (Arm) [this message]
2026-02-23 11:53 ` [PATCH 2/4] s390/pgtable: Use set_pmd_bit() to invalidate PMD entry Alexander Gordeev
2026-02-23 11:53 ` [PATCH 3/4] s390/pgtable: Add s390 support for page table check Alexander Gordeev
2026-02-23 11:53 ` [PATCH 4/4] s390: Enable page table check for debug_defconfig Alexander Gordeev
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