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REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:replyto]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; REPLYTO_EQ_FROM(0.00)[] X-Virus-Scanned: clamav-milter 1.0.9 at in-4.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] userfaultfd03.c: Require kernel 6.1 X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Petr Vorel Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" > Hi! > > > > > > > Nothing besides trying to fix 6.11 (which was not the case) and trying to > > > > > > > simplify. But whole effort is somehow relevant to general checking test > > > > > > > requirements cleanup (we had a discussion runtime checks vs. kconfig/min_kver > > > > > > > which resulted in Cyril's "lib: tst_kconfig: Add runtime checks" [2]). > > > > > > I guess that the check for all userfaultfd tests should be moved to the > > > > > > tst_kconfig.c once my patch that adds runtime checks there is in. > > > > > Or I can send a V3 that adds that check as well. > > > > Sure, having /dev/userfaultfd in kconfig check would be a benefit. Thanks! > > > However it looks like we cannot do that, the /dev/userfaultfd was added > > > into 6.1 while the usefaultfd syscall existed since 4.3. Hence tests > > > that need /dev/userfaultfd need additional checks. > > We require for userfaultfd05.c also CONFIG_HAVE_ARCH_USERFAULTFD_WP=y. > > Maybe bound /dev/userfaultfd check to it? OTOH > > CONFIG_HAVE_ARCH_USERFAULTFD_WP=y is much older (v5.19-rc1) and original commit > > in 6.1 [1] does not refer to it. > Does not work either, the /dev/userfaultfd was added without any changes > in CONFIG. If we wanted this as generic funcitionality we would have to > add .needs_devices field into tst_test structure but as far as I my > grepping shows, usefaultfd is at the moment the only test that depends > on a device that has been added recently so it does not look like > it's worth the trouble. Agree (not worth of the trouble). Thanks for checking. Kind regards, Petr -- Mailing list info: https://lists.linux.it/listinfo/ltp