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[221.241.217.81]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a4985ff0f2sm2052278a91.8.2026.09.28.18.03.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Sep 2026 18:03:24 -0700 (PDT) Date: Tue, 29 Sep 2026 10:03:18 +0900 Message-ID: From: Hajime Tazaki To: johannes@sipsolutions.net Cc: linux-mm@kvack.org, liam@infradead.org, rbm@suse.com, akpm@linux-foundation.org, luto@amacapital.net, brendan.jackman@linux.dev, david@kernel.org, liuhangbin@gmail.com, corbet@lwn.net, kees@kernel.org, ljs@kernel.org, broonie@kernel.org, mhocko@suse.com, rppt@kernel.org, shuah@kernel.org, surenb@google.com, vbabka@kernel.org, wad@chromium.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-um@lists.infradead.org, geert@linux-m68k.org, daniel@thingy.jp Subject: Re: [PATCH v3 2/3] selftests: run tests on nommu architecture In-Reply-To: <04259a99ed91f8a527b255951a6f626310728170.camel@sipsolutions.net> References: <20260926010819.604346-1-thehajime@gmail.com> <20260926010819.604346-3-thehajime@gmail.com> <04259a99ed91f8a527b255951a6f626310728170.camel@sipsolutions.net> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260928_180326_854551_1CEBD3C4 X-CRM114-Status: GOOD ( 12.25 ) X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Mon, 28 Sep 2026 16:44:49 +0900, Johannes Berg wrote: > > On Sat, 2026-09-26 at 10:08 +0900, Hajime Tazaki wrote: > > Architectures lacks MMU doesn't support fork(2) syscall and only > > nit: Architectures lacking MMU don't support the fork(2) syscall ... ah, thanks. will fix this line. > Not sure where this should be merged? I guess selftests would make most > sense, but you can't actually test it out before the UML nommu changes, > so that doesn't work too well right now? I think this can be used for other NOMMU architecture (riscv, arm, m68k) if those are properly build so, it isn't intended for UML only tests. -- Hajime