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Fri, 14 Jun 2024 12:06:22 -0700 (PDT) MIME-Version: 1.0 References: <20240614182327.752156-1-jeffxu@google.com> <20240614182327.752156-2-jeffxu@google.com> In-Reply-To: From: Jeff Xu Date: Fri, 14 Jun 2024 12:06:10 -0700 Message-ID: Subject: Re: [PATCH v1 1/1] /proc/pid/smaps: add mseal info for vma To: Jann Horn Cc: akpm@linux-foundation.org, sroettger@google.com, rdunlap@infradead.org, david@redhat.com, adhemerval.zanella@linaro.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, jorgelo@chromium.org, keescook@chromium.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 94ABE16001B X-Stat-Signature: 687id8c7mi6aypfduocp6opbd9pfc83w X-HE-Tag: 1718391983-530071 X-HE-Meta: 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 LA1/sXds evEGQ8NsVPUA4FmToxGXHEqq3agE18N6z6EaWx0gIB29NhZAdqzXIRpa4xiqCzPkHDBM51IphnKmXypkTvizWhi5a88oD3urL552MOQfC4zBycH3ECJTWAfy8drm/3482/gUatQdpR8Jw5G88DL8Qk+Lo27YeAbP8I1gxn7Uj9XYNYTdGIt8IZbWimP4MUuQzki44nP+L4l2E89VOaABhixg+3uSPnrcZA+q8GZ6SsTPPKoyhvwuKt8E+CBfNh7kR3IWz X-Bogosity: Ham, tests=bogofilter, spamicity=0.000098, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Jun 14, 2024 at 11:43=E2=80=AFAM Jann Horn wrote= : > > Hi! > > On Fri, Jun 14, 2024 at 8:24=E2=80=AFPM wrote: > > Add sp in /proc/pid/smaps to indicate vma is sealed > > > > Signed-off-by: Jeff Xu > > --- > > Documentation/filesystems/proc.rst | 1 + > > fs/proc/task_mmu.c | 3 +++ > > include/linux/mm.h | 5 +++++ > > mm/internal.h | 5 ----- > > 4 files changed, 9 insertions(+), 5 deletions(-) > > > > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesys= tems/proc.rst > > index 7c3a565ffbef..400217a1589c 100644 > > --- a/Documentation/filesystems/proc.rst > > +++ b/Documentation/filesystems/proc.rst > > @@ -571,6 +571,7 @@ encoded manner. The codes are the following: > > um userfaultfd missing tracking > > uw userfaultfd wr-protect tracking > > ss shadow stack page > > + sp sealed page > > Nit: Why "page"? The sealing is a property of the VMA, not of the > pages mapped into it. Maybe "sealed area" and an abbreviation like > "sl" would make sense? > ok. Maybe just sealed for short: sl "sealed" Thanks -Jeff