From: Hector Martin <marcan@marcan.st> To: Marc Zyngier <maz@kernel.org> Cc: soc@kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, Arnd Bergmann <arnd@kernel.org>, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Olof Johansson <olof@lixom.net> Subject: Re: [PATCH 11/18] arm64: Kconfig: Require FIQ support for ARCH_APPLE Date: Tue, 9 Feb 2021 00:48:05 +0900 [thread overview] Message-ID: <4ed0001c-2196-5e54-9de0-e77236b2a306@marcan.st> (raw) In-Reply-To: <2a93bf0df74df8cb022e61d69d1de88e@kernel.org> On 08/02/2021 21.05, Marc Zyngier wrote: >> I was trying to introduce the Kconfig before the code that depends on >> it; is it kosher to have it in the other order, looking for CONFIG_ >> defines that don't exist yet? > > Absolutely. The only requirement is to make sure that nothing breaks in > the middle of a series. > >> Though in this case the only user earlier in the series is the Samsung >> stuff, which doesn't care about FIQs, so I can just sort things as >> FIQ->ARCH_APPLE->samsung->AIC... > > Seems fine to me. Sorting out the infrastructure first (FIQ, memory > attributes) first is a requirement anyway, so the ordering of the > series could reflect that priority. Cool, that simplifies things. >> I'm not sure about AIC vs. ARCH_APPLE though. Right now the pattern is >> that AIC depends on ARCH_APPLE and also defaults to that. But then you >> can build with ARCH_APPLE and AIC disabled if you so choose, which >> does result in a broken system on these machines. AIC should build >> without ARCH_APPLE (as long as we're on ARM64), so we could reverse >> that. > > As long as ARCH_APPLE selects AIC, you can make AIC selectable on > its own. What I'm trying to avoid is people ending up with an unbootable > system, and not having interrupts is one thing that makes it really hard > to debug... Sounds good, I'll flip it over. -- Hector Martin (marcan@marcan.st) Public Key: https://mrcn.st/pub
WARNING: multiple messages have this Message-ID (diff)
From: Hector Martin <marcan@marcan.st> To: Marc Zyngier <maz@kernel.org> Cc: Arnd Bergmann <arnd@kernel.org>, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, soc@kernel.org, robh+dt@kernel.org, Olof Johansson <olof@lixom.net>, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 11/18] arm64: Kconfig: Require FIQ support for ARCH_APPLE Date: Tue, 9 Feb 2021 00:48:05 +0900 [thread overview] Message-ID: <4ed0001c-2196-5e54-9de0-e77236b2a306@marcan.st> (raw) Message-ID: <20210208154805.qysE08Yz1Lapcdi5TmKLxLC4zYlWuVI1JFNakxvixa8@z> (raw) In-Reply-To: <2a93bf0df74df8cb022e61d69d1de88e@kernel.org> On 08/02/2021 21.05, Marc Zyngier wrote: >> I was trying to introduce the Kconfig before the code that depends on >> it; is it kosher to have it in the other order, looking for CONFIG_ >> defines that don't exist yet? > > Absolutely. The only requirement is to make sure that nothing breaks in > the middle of a series. > >> Though in this case the only user earlier in the series is the Samsung >> stuff, which doesn't care about FIQs, so I can just sort things as >> FIQ->ARCH_APPLE->samsung->AIC... > > Seems fine to me. Sorting out the infrastructure first (FIQ, memory > attributes) first is a requirement anyway, so the ordering of the > series could reflect that priority. Cool, that simplifies things. >> I'm not sure about AIC vs. ARCH_APPLE though. Right now the pattern is >> that AIC depends on ARCH_APPLE and also defaults to that. But then you >> can build with ARCH_APPLE and AIC disabled if you so choose, which >> does result in a broken system on these machines. AIC should build >> without ARCH_APPLE (as long as we're on ARM64), so we could reverse >> that. > > As long as ARCH_APPLE selects AIC, you can make AIC selectable on > its own. What I'm trying to avoid is people ending up with an unbootable > system, and not having interrupts is one thing that makes it really hard > to debug... Sounds good, I'll flip it over. -- Hector Martin (marcan@marcan.st) Public Key: https://mrcn.st/pub _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-08 18:24 UTC|newest] Thread overview: 240+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-04 20:39 [PATCH 00/18] Apple M1 SoC platform bring-up Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 20:39 ` [PATCH 01/18] dt-bindings: vendor-prefixes: add AAPL prefix Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-08 10:27 ` Krzysztof Kozlowski 2021-02-08 10:27 ` Krzysztof Kozlowski 2021-02-08 17:32 ` Rob Herring 2021-02-08 17:32 ` Rob Herring 2021-02-08 18:12 ` Krzysztof Kozlowski 2021-02-08 18:12 ` Krzysztof Kozlowski 2021-02-08 19:59 ` Arnd Bergmann 2021-02-08 19:59 ` Arnd Bergmann 2021-02-08 23:17 ` Hector Martin 2021-02-08 23:17 ` Hector Martin 2021-02-04 20:39 ` [PATCH 02/18] dt-bindings: arm: cpus: Add AAPL,firestorm & icestorm compatibles Hector Martin 2021-02-04 20:39 ` [PATCH 02/18] dt-bindings: arm: cpus: Add AAPL, firestorm " Hector Martin 2021-02-04 20:39 ` [PATCH 03/18] dt-bindings: arm: AAPL: Add bindings for Apple ARM platforms Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 20:39 ` [PATCH 04/18] arm64: Kconfig: Introduce CONFIG_ARCH_APPLE Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-06 13:17 ` Marc Zyngier 2021-02-06 13:17 ` Marc Zyngier 2021-02-07 8:05 ` Hector Martin 'marcan' 2021-02-07 8:05 ` Hector Martin 'marcan' 2021-02-04 20:39 ` [PATCH 05/18] tty: serial: samsung_tty: add support for Apple UARTs Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 23:55 ` kernel test robot 2021-02-04 23:55 ` kernel test robot 2021-02-04 23:55 ` kernel test robot 2021-02-05 9:44 ` Hector Martin 'marcan' 2021-02-05 9:44 ` Hector Martin 'marcan' 2021-02-05 2:19 ` kernel test robot 2021-02-05 2:19 ` kernel test robot 2021-02-05 2:19 ` kernel test robot 2021-02-06 13:15 ` Marc Zyngier 2021-02-06 13:15 ` Marc Zyngier 2021-02-07 9:12 ` Hector Martin 'marcan' 2021-02-07 9:12 ` Hector Martin 'marcan' 2021-02-07 9:26 ` Hector Martin 'marcan' 2021-02-07 9:26 ` Hector Martin 'marcan' 2021-02-08 9:36 ` Krzysztof Kozlowski 2021-02-08 9:36 ` Krzysztof Kozlowski 2021-02-08 16:14 ` Hector Martin 2021-02-08 16:14 ` Hector Martin 2021-02-08 10:34 ` Marc Zyngier 2021-02-08 10:34 ` Marc Zyngier 2021-02-08 16:18 ` Hector Martin 2021-02-08 16:18 ` Hector Martin 2021-02-08 16:46 ` Greg Kroah-Hartman 2021-02-08 16:46 ` Greg Kroah-Hartman 2021-02-08 23:22 ` Hector Martin 2021-02-08 23:22 ` Hector Martin 2021-02-08 10:54 ` Krzysztof Kozlowski 2021-02-08 10:54 ` Krzysztof Kozlowski 2021-02-08 16:10 ` Hector Martin 2021-02-08 16:10 ` Hector Martin 2021-02-08 18:37 ` Krzysztof Kozlowski 2021-02-08 18:37 ` Krzysztof Kozlowski 2021-02-08 23:23 ` Hector Martin 2021-02-08 23:23 ` Hector Martin 2021-02-04 20:39 ` [PATCH 06/18] dt-bindings: serial: samsung: Add AAPL,s5l-uart compatible Hector Martin 2021-02-04 20:39 ` [PATCH 06/18] dt-bindings: serial: samsung: Add AAPL, s5l-uart compatible Hector Martin 2021-02-04 20:39 ` [PATCH 07/18] tty: serial: samsung_tty: enable for ARCH_APPLE Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 21:16 ` Arnd Bergmann 2021-02-04 21:16 ` Arnd Bergmann 2021-02-04 21:27 ` Hector Martin 'marcan' 2021-02-04 21:27 ` Hector Martin 'marcan' 2021-02-04 20:39 ` [PATCH 08/18] arm64: cpufeature: Add a feature for FIQ support Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-06 13:58 ` Marc Zyngier 2021-02-06 13:58 ` Marc Zyngier 2021-02-07 8:28 ` Hector Martin 'marcan' 2021-02-07 8:28 ` Hector Martin 'marcan' 2021-02-08 11:29 ` Marc Zyngier 2021-02-08 11:29 ` Marc Zyngier 2021-02-08 15:51 ` Hector Martin 2021-02-08 15:51 ` Hector Martin 2021-02-04 20:39 ` [PATCH 09/18] arm64: cputype: Add CPU types for the Apple M1 big/little cores Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 20:39 ` [PATCH 10/18] arm64: Introduce FIQ support Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-06 15:37 ` Marc Zyngier 2021-02-06 15:37 ` Marc Zyngier 2021-02-06 16:22 ` Arnd Bergmann 2021-02-06 16:22 ` Arnd Bergmann 2021-02-07 8:36 ` Hector Martin 'marcan' 2021-02-07 8:36 ` Hector Martin 'marcan' 2021-02-07 12:25 ` Arnd Bergmann 2021-02-07 12:25 ` Arnd Bergmann 2021-02-07 15:38 ` Hector Martin 'marcan' 2021-02-07 15:38 ` Hector Martin 'marcan' 2021-02-07 18:49 ` Arnd Bergmann 2021-02-07 18:49 ` Arnd Bergmann 2021-02-08 23:34 ` Hector Martin 2021-02-08 23:34 ` Hector Martin 2021-02-07 8:47 ` Hector Martin 'marcan' 2021-02-07 8:47 ` Hector Martin 'marcan' 2021-02-08 11:30 ` Marc Zyngier 2021-02-08 11:30 ` Marc Zyngier 2021-02-04 20:39 ` [PATCH 11/18] arm64: Kconfig: Require FIQ support for ARCH_APPLE Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-06 15:46 ` Marc Zyngier 2021-02-06 15:46 ` Marc Zyngier 2021-02-07 9:23 ` Hector Martin 'marcan' 2021-02-07 9:23 ` Hector Martin 'marcan' 2021-02-08 12:05 ` Marc Zyngier 2021-02-08 12:05 ` Marc Zyngier 2021-02-08 15:48 ` Hector Martin [this message] 2021-02-08 15:48 ` Hector Martin 2021-02-04 20:39 ` [PATCH 12/18] arm64: setup: Use nGnRnE IO mappings for fixmap on Apple platforms Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 22:25 ` Arnd Bergmann 2021-02-04 22:25 ` Arnd Bergmann 2021-02-04 20:39 ` [PATCH 13/18] arm64: ioremap: use nGnRnE mappings on platforms that require it Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 22:21 ` Arnd Bergmann 2021-02-04 22:21 ` Arnd Bergmann 2021-02-08 22:57 ` Arnd Bergmann 2021-02-08 22:57 ` Arnd Bergmann 2021-02-08 23:20 ` Mark Kettenis 2021-02-08 23:20 ` Mark Kettenis 2021-02-09 0:25 ` Hector Martin 2021-02-09 0:25 ` Hector Martin 2021-02-09 9:15 ` Arnd Bergmann 2021-02-09 9:15 ` Arnd Bergmann 2021-02-09 9:58 ` Mark Kettenis 2021-02-09 9:58 ` Mark Kettenis 2021-02-09 11:22 ` Hector Martin 2021-02-09 11:22 ` Hector Martin 2021-02-09 9:35 ` Arnd Bergmann 2021-02-09 9:35 ` Arnd Bergmann 2021-02-10 12:24 ` Hector Martin 2021-02-10 12:24 ` Hector Martin 2021-02-10 13:40 ` Mark Kettenis 2021-02-10 13:40 ` Mark Kettenis 2021-02-04 20:39 ` [PATCH 14/18] dt-bindings: interrupt-controller: Add DT bindings for apple-aic Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-09 23:07 ` Rob Herring 2021-02-09 23:07 ` Rob Herring 2021-02-04 20:39 ` [PATCH 15/18] irqchip/apple-aic: Add support for the Apple Interrupt Controller Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 21:37 ` Arnd Bergmann 2021-02-04 21:37 ` Arnd Bergmann 2021-02-04 22:04 ` Hector Martin 'marcan' 2021-02-04 22:04 ` Hector Martin 'marcan' 2021-02-04 23:04 ` Arnd Bergmann 2021-02-04 23:04 ` Arnd Bergmann 2021-02-05 7:41 ` Hector Martin 'marcan' 2021-02-05 7:41 ` Hector Martin 'marcan' 2021-02-05 10:33 ` Arnd Bergmann 2021-02-05 10:33 ` Arnd Bergmann 2021-02-05 2:27 ` kernel test robot 2021-02-05 2:27 ` kernel test robot 2021-02-05 2:27 ` kernel test robot 2021-02-05 9:45 ` Hector Martin 'marcan' 2021-02-05 9:45 ` Hector Martin 'marcan' 2021-02-08 9:25 ` Marc Zyngier 2021-02-08 9:25 ` Marc Zyngier 2021-02-08 10:29 ` Arnd Bergmann 2021-02-08 10:29 ` Arnd Bergmann 2021-02-08 11:13 ` Hector Martin 'marcan' 2021-02-08 11:13 ` Hector Martin 'marcan' 2021-02-08 11:21 ` Arnd Bergmann 2021-02-08 11:21 ` Arnd Bergmann 2021-02-08 11:36 ` Marc Zyngier 2021-02-08 11:36 ` Marc Zyngier 2021-02-08 12:17 ` Arnd Bergmann 2021-02-08 12:17 ` Arnd Bergmann 2021-02-08 15:31 ` Hector Martin 2021-02-08 15:31 ` Hector Martin 2021-02-09 6:20 ` Hector Martin 2021-02-09 6:20 ` Hector Martin 2021-02-04 20:39 ` [PATCH 16/18] irqchip/apple-aic: Add SMP / IPI support Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 20:39 ` [PATCH 17/18] dt-bindings: display: add AAPL,simple-framebuffer Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 20:39 ` [PATCH 18/18] arm64: apple: Add initial Mac Mini 2020 (M1) devicetree Hector Martin 2021-02-04 20:39 ` Hector Martin 2021-02-04 21:29 ` Arnd Bergmann 2021-02-04 21:29 ` Arnd Bergmann 2021-02-04 21:44 ` Hector Martin 'marcan' 2021-02-04 21:44 ` Hector Martin 'marcan' 2021-02-04 23:08 ` Arnd Bergmann 2021-02-04 23:08 ` Arnd Bergmann 2021-02-05 7:11 ` Hector Martin 'marcan' 2021-02-05 7:11 ` Hector Martin 'marcan' 2021-02-05 12:43 ` Arnd Bergmann 2021-02-05 12:43 ` Arnd Bergmann 2021-02-08 11:04 ` Krzysztof Kozlowski 2021-02-08 11:04 ` Krzysztof Kozlowski 2021-02-08 11:56 ` Hector Martin 'marcan' 2021-02-08 11:56 ` Hector Martin 'marcan' 2021-02-08 12:13 ` Krzysztof Kozlowski 2021-02-08 12:13 ` Krzysztof Kozlowski 2021-02-08 12:40 ` Arnd Bergmann 2021-02-08 12:40 ` Arnd Bergmann 2021-02-08 14:12 ` Hector Martin 2021-02-08 14:12 ` Hector Martin 2021-02-08 17:58 ` Rob Herring 2021-02-08 17:58 ` Rob Herring 2021-02-09 0:32 ` Hector Martin 2021-02-09 0:32 ` Hector Martin 2021-02-08 19:14 ` Rob Herring 2021-02-08 19:14 ` Rob Herring 2021-02-09 0:49 ` Hector Martin 2021-02-09 0:49 ` Hector Martin 2021-02-09 2:05 ` Rob Herring 2021-02-09 2:05 ` Rob Herring 2021-02-10 10:19 ` Tony Lindgren 2021-02-10 10:19 ` Tony Lindgren 2021-02-10 11:07 ` Hector Martin 2021-02-10 11:07 ` Hector Martin 2021-02-10 11:34 ` Tony Lindgren 2021-02-10 11:34 ` Tony Lindgren 2021-02-10 11:43 ` Hector Martin 2021-02-10 11:43 ` Hector Martin 2021-02-10 12:24 ` Daniel Palmer 2021-02-10 12:24 ` Daniel Palmer 2021-02-10 12:24 ` Daniel Palmer 2021-02-10 12:54 ` Tony Lindgren 2021-02-10 12:54 ` Tony Lindgren 2021-02-10 12:56 ` Hector Martin 2021-02-10 12:56 ` Hector Martin 2021-02-10 12:55 ` Krzysztof Kozlowski 2021-02-10 12:55 ` Krzysztof Kozlowski 2021-02-10 13:19 ` Tony Lindgren 2021-02-10 13:19 ` Tony Lindgren 2021-02-10 13:25 ` Krzysztof Kozlowski 2021-02-10 13:25 ` Krzysztof Kozlowski 2021-02-08 12:27 ` Marc Zyngier 2021-02-08 12:27 ` Marc Zyngier 2021-02-08 14:53 ` Hector Martin 2021-02-08 14:53 ` Hector Martin 2021-02-08 15:36 ` Marc Zyngier 2021-02-08 15:36 ` Marc Zyngier 2021-02-04 22:43 ` [PATCH 00/18] Apple M1 SoC platform bring-up Arnd Bergmann 2021-02-04 22:43 ` Arnd Bergmann 2021-02-05 11:35 ` Hector Martin 'marcan' 2021-02-05 11:35 ` Hector Martin 'marcan'
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=4ed0001c-2196-5e54-9de0-e77236b2a306@marcan.st \ --to=marcan@marcan.st \ --cc=arnd@kernel.org \ --cc=devicetree@vger.kernel.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=maz@kernel.org \ --cc=olof@lixom.net \ --cc=robh+dt@kernel.org \ --cc=soc@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.