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[2a03:2880:20ff:c::face:b00c]) by smtp.gmail.com with ESMTPSA id v73sm1473855qkb.51.2022.02.04.12.43.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Feb 2022 12:43:06 -0800 (PST) Date: Fri, 4 Feb 2022 12:43:03 -0800 From: David Vernet To: Joe Lawrence Cc: live-patching@vger.kernel.org, linux-kernel@vger.kernel.org, jpoimboe@redhat.com, pmladek@suse.com, jikos@kernel.org, mbenes@suse.cz, corbet@lwn.net, kernel-team@fb.com Subject: Re: [PATCH] livepatch: Skip livepatch tests if ftrace cannot be configured Message-ID: <20220204204303.scyxvt4yh2gjftce@dev0025.ash9.facebook.com> References: <20220203233205.1554034-1-void@manifault.com> <917650f7-4e8c-4643-77d3-45d1ebbb217f@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <917650f7-4e8c-4643-77d3-45d1ebbb217f@redhat.com> User-Agent: NeoMutt/20211029 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 04, 2022 at 03:30:02PM -0500, Joe Lawrence wrote: Hi Joe, Thanks for the review. > sp: s/permament/permanent > Ack, thanks for catching that. > > + if [[ "$result" == *"Device or resource busy"* ]]; then > > + skip "failed to set kernel.ftrace_enabled=$1" > > + fi > > + > > style nit: move the blank line from here to just before the new # Skip > comment Ack. > Can we be more paranoid and just look for the exact result that we expect: > > if [[ "$result" != "kernel.ftrace_enabled = 1" ]]; then > skip "failed to set kernel.ftrace_enabled=$1" > fi Agreed, this is cleaner and less brittle. I'll follow-up with a v2 patch shortly. Thanks! - David