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Venkataraman" Cc: mark.rutland@arm.com, broonie@kernel.org, ardb@kernel.org, nobuta.keiya@fujitsu.com, sjitindarsingh@gmail.com, catalin.marinas@arm.com, will@kernel.org, jmorris@namei.org, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v1 0/9] arm64: livepatch: Use DWARF Call Frame Information for frame pointer validation Message-ID: <20220416010750.cuf7tf5dgd434kac@treble> References: <95691cae4f4504f33d0fc9075541b1e7deefe96f> <20220407202518.19780-1-madvenka@linux.microsoft.com> <20220408002147.pk7clzruj6sawj7z@treble> <15a22f4b-f04a-15e1-8f54-5b3147d8df7d@linux.microsoft.com> MIME-Version: 1.0 In-Reply-To: <15a22f4b-f04a-15e1-8f54-5b3147d8df7d@linux.microsoft.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jpoimboe@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220415_180801_291208_96C2A3C6 X-CRM114-Status: GOOD ( 12.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Apr 11, 2022 at 12:18:13PM -0500, Madhavan T. Venkataraman wrote: > > There are actually several similarities between your new format and ORC, > > which is also an objtool-created DWARF alternative. It would be > > interesting to see if they could be combined somehow. > > > > I will certainly look into it. So, if I decide to merge the two, I might want > to make a minor change to the ORC structure. Would that be OK with you? Yes, in fact I would expect it, since ORC is quite x86-specific at the moment. So it would need some abstractions to make it more multi-arch friendly. -- Josh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel