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[34.127.76.238]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-7fd156b7964sm2997645a12.18.2024.12.06.11.33.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Dec 2024 11:33:10 -0800 (PST) From: jeffxu@chromium.org To: akpm@linux-foundation.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, Liam.Howlett@Oracle.com Cc: linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, jorgelo@chromium.org, keescook@chromium.org, pedro.falcato@gmail.com, rdunlap@infradead.org, Jeff Xu Subject: [PATCH] mseal: remove can_do_mseal Date: Fri, 6 Dec 2024 19:33:09 +0000 Message-ID: <20241206193309.3026213-1-jeffxu@google.com> X-Mailer: git-send-email 2.47.0.338.g60cca15819-goog In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Jeff Xu Hi Andrew, Is that possible to squash this change on top of=20 "mseal: move can_do_mseal to mseal.c" on the mm-unstable ? This is the first time I m doing this, because I saw dev did this before, and saying this is the prefered approach. I could also send v2 which is what I usually do. Thanks -Jeff Signed-off-by: Jeff Xu --- mm/mseal.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/mseal.c b/mm/mseal.c index e167220a0bf0..08e6f328d9c7 100644 --- a/mm/mseal.c +++ b/mm/mseal.c @@ -225,9 +225,9 @@ int do_mseal(unsigned long start, size_t len_in, unsign= ed long flags) unsigned long end; struct mm_struct *mm =3D current->mm; =20 - ret =3D can_do_mseal(flags); - if (ret) - return ret; + /* Verify flags not set. */ + if (flags) + return -EINVAL; =20 start =3D untagged_addr(start); if (!PAGE_ALIGNED(start)) --=20 2.47.0.338.g60cca15819-goog