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Wed, 19 Mar 2025 09:56:40 -0700 (PDT) MIME-Version: 1.0 References: <20250313000623.3192896-1-jeffxu@google.com> <1bbce89c-1efe-40cf-9085-ec4ec16f7996@lucifer.local> In-Reply-To: From: Jeff Xu Date: Wed, 19 Mar 2025 09:56:28 -0700 X-Gm-Features: AQ5f1Jo5j5hm3bh2_R1XoS4SHAz-D931z9dWRwfaWf7nMpMXBKMw_L75WG7Uvjk Message-ID: Subject: Re: [PATCH] mseal sysmap: add arch-support txt To: Geert Uytterhoeven Cc: edumazet@google.com, m-malladi@ti.com, Kevin Brodsky , guoweikang.kernel@gmail.com, Qi Zheng , Lorenzo Stoakes , akpm@linux-foundation.org, Liam.Howlett@oracle.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, gor@linux.ibm.com, hca@linux.ibm.com, kees@kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, svens@linux.ibm.com, thomas.weissschuh@linutronix.de Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Queue-Id: 28B69C0013 X-Rspamd-Server: rspam03 X-Stat-Signature: 3sdoqjckdgiga5xc5imtap5c9qoxwhbw X-HE-Tag: 1742403400-393391 X-HE-Meta: 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 wOqxJCFh NyIpwWl7fXIy5Wwnyz+HQ2Pd4K1IyRtV+iOL1f9TOixQ55Y3TjnVskKe1fVlvGCQj6eTT5cBIpQpala4MrB3m6af0Hm6SXcGNZfC9RTJKhntAXEtqNXIBqQj7FFFiOlEJPVthkfA09ad7HQYux/tEwfp8A+kqc7rIxv+Ae3DQ80aoFLQftZMop1e8TCBsE0d2UDWNydqzQiZixVPqVEYzePhBeQ9+lroQs3Ls3qCWjsb4YBwBQCb3k60/jBfIJxZDxWu1IpS4V8oO0cFehsoRIv12XHAqK3nBz+6wDgpL50oM+5bOkOILlvv/pY4l5PS3LJyuPFHedPdvA0ax6E6rrjYV41rYHw+Ku6Ka8KDTCDBP10xccvUw1Y5GJg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.016074, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Geert On Wed, Mar 19, 2025 at 1:17=E2=80=AFAM Geert Uytterhoeven wrote: > > Hi Jeff, > > On Tue, 18 Mar 2025 at 19:39, Jeff Xu wrote: > > On Tue, Mar 18, 2025 at 10:21=E2=80=AFAM Jeff Xu = wrote: > > > On Mon, Mar 17, 2025 at 12:14=E2=80=AFPM Geert Uytterhoeven > > > wrote: > > > > On Mon, 17 Mar 2025 at 20:02, Jeff Xu wrote: > > > > > On Mon, Mar 17, 2025 at 11:14=E2=80=AFAM Jeff Xu wrote: > > > > > > On Fri, Mar 14, 2025 at 3:41=E2=80=AFAM Geert Uytterhoeven wrote: > > > > > > > On Thu, 13 Mar 2025 at 23:26, Jeff Xu w= rote: > > > > > > > > On Wed, Mar 12, 2025 at 10:21=E2=80=AFPM Lorenzo Stoakes > > > > > > > > wrote: > > > > > > > > > On Thu, Mar 13, 2025 at 12:06:23AM +0000, jeffxu@chromium= .org wrote: > > > > > > > > > > From: Jeff Xu > > > > > > > > > > Add Documentation/features/core/mseal_sys_mappings/arch= -support.txt > > > > > > > > > > > > > > > > > > > > Signed-off-by: Jeff Xu > > > > > > > > > > > > > > Thanks for your patch! > > > > > > > > > > I used "find * |xargs grep -i CONFIG_64BIT" to look for CONFIG_6= 4BIT > > > > > under arch/, and together with internet search/wiki page, and bel= ow is > > > > > the proposed update. > > > > > > > > That way you only find users of the symbol, not where it is defined= . > > > > > > > > You can use > > > > > > > > git grep -W "config\s*64BIT" -- arch/ > > > > > > > > to find out which architectures are 32-bit, 64-bit, or support both= . > > > > > > Microblaze, openrisc, sh, hexagon all don't have CONFIG 64BIT defined > > in KCONFIG, and are not using CONFIG_64BIT in their arch code. Is > > there something else that makes you point out the hexagon as 32 bit > > only (and not other 3) ? > > AFAIK Microblaze, openrisc, and hexagon are all 32-bit. > Linux used to support sh64, but that was dropped, as sh64 never went > beyond prototype hardware. > Great ! Thanks for the information. I will update accordingly. -Jeff > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m6= 8k.org > > In personal conversations with technical people, I call myself a hacker. = But > when I'm talking to journalists I just say "programmer" or something like= that. > -- Linus Torvalds