From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D4D7F1854 for ; Thu, 22 Sep 2022 13:12:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85349C43141 for ; Thu, 22 Sep 2022 13:12:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663852367; bh=anlJlXdO56WSUR8kTN5hWvjyjhWiYsVz1wVtJdLHdHk=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=pjoNrxjlAIP98/5r3WS7TFUZhBiXpuklLpuCVITNivsO9OlALQg5T8iRV/rgwUt36 YuTWtz/85OCpCNv5TDTzjHNCT+pPMrjRgIJyxJE5R1onQnEm3nKCC2s5t/NaCR2qvW LzdbCaLkZsIM2ePrw1TPJDcCP6qNirTSgZ3lQcvVw9Arru1OlxmhktMWqAJbxoncR2 zfrvWReDqdz5UwGz/ujWqqA/5wjDl1ybQHlHrTJI9MMsCYj7Ls1RdCA6yOu+1m3MNa ravf+TzcbCU0EjaDlk6uPiYuy4j80/n/xnar03b47MeGFIyytt24neMIWV7zO7safr aX+sVqTDuE8pw== Received: by mail-vs1-f53.google.com with SMTP id k2so10215343vsk.8 for ; Thu, 22 Sep 2022 06:12:47 -0700 (PDT) X-Gm-Message-State: ACrzQf17FbJTBqw3BwAa7FSuoHQhWX+mrki5E8VIfzaXAPUCpKYiMCmJ oqU0jt3VuWgtsUhI9nEqewm/nnkChZr40Z1r/Rg= X-Google-Smtp-Source: AMsMyM4BuYJullEQlH0jFI5R+wtc9QGiXhnSk4BpiHjFwvG9uI4vMSFsFYrIwG5J4++enZzZxFipYo9rj5ZweoCGG4w= X-Received: by 2002:a67:d59d:0:b0:398:211f:9a45 with SMTP id m29-20020a67d59d000000b00398211f9a45mr1341471vsj.78.1663852366425; Thu, 22 Sep 2022 06:12:46 -0700 (PDT) Precedence: bulk X-Mailing-List: loongarch@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20220920183554.3870247-1-ardb@kernel.org> <20220920183554.3870247-9-ardb@kernel.org> In-Reply-To: From: Huacai Chen Date: Thu, 22 Sep 2022 21:12:34 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 8/8] efi/loongarch: libstub: remove dependency on flattened DT To: Ard Biesheuvel Cc: linux-efi , loongarch@lists.linux.dev, Arnd Bergmann , Ilias Apalodimas , Huacai Chen , Xi Ruoyao Content-Type: text/plain; charset="UTF-8" On Thu, Sep 22, 2022 at 9:10 PM Ard Biesheuvel wrote: > > On Thu, 22 Sept 2022 at 15:09, Huacai Chen wrote: > > > > On Thu, Sep 22, 2022 at 8:50 PM Ard Biesheuvel wrote: > > > > > > On Thu, 22 Sept 2022 at 14:08, Huacai Chen wrote: > > > > > > > > Hi, Ard, > > > > > > > > On Thu, Sep 22, 2022 at 4:59 PM Ard Biesheuvel wrote: > > > > > > > > > > On Thu, 22 Sept 2022 at 09:42, Huacai Chen wrote: > > > > > > > > > > > > On Thu, Sep 22, 2022 at 3:25 PM Ard Biesheuvel wrote: > > > > > > > > > > > > > > On Thu, 22 Sept 2022 at 09:22, Huacai Chen wrote: > > > > > > > > > > > > > > > > On Thu, Sep 22, 2022 at 3:13 PM Ard Biesheuvel wrote: > > > > > > > > > > > > > > > > > > On Thu, 22 Sept 2022 at 04:15, Huacai Chen wrote: > > > > > > > > > > > > > > > > > > > > On Wed, Sep 21, 2022 at 4:15 PM Ard Biesheuvel wrote: > > > > > > > > > > > > > > > > > > > > > > On Wed, 21 Sept 2022 at 06:02, Huacai Chen wrote: > > > > > > > > > > > > > > > > > > > > > > > > Acked-by: Huacai Chen > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thank you Huacai > > > > > > > > > > > > > > > > > > > > > > I have created a separate tag with these patches applied onto the > > > > > > > > > > > first loongarch efi enablement patch (see below) > > > > > > > > > > > > > > > > > > > > > > I would prefer to keep the loongarch trees separate for the next merge > > > > > > > > > > > window, but if needed to avoid massive conflicts, you could merge the > > > > > > > > > > > tag into the loongarch tree and rebase your changes on top. But please > > > > > > > > > > > take care not to rebase those patches themselves: the commit SHAs need > > > > > > > > > > > to remain the same. > > > > > > > > > > > > > > > > > > > > > > However, if the conflicts are only minor, you can just explain in your > > > > > > > > > > > PR to Linus what the resolution should look like. > > > > > > > > > > > > > > > > > > > > > > The tag can be found here: > > > > > > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git/tag/?h=efi-loongarch-for-v6.1-2 > > > > > > > > > > > > > > > > > > > > > > I have merged this into the EFI tree as well and pushed it out; it > > > > > > > > > > > should appear in -next tomorrow. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > b093dc55ba9a efi/loongarch: libstub: remove dependency on flattened DT > > > > > > > > > > > 102faf0747c2 efi: libstub: install boot-time memory map as config table > > > > > > > > > > > 7318926e7bc9 efi: libstub: remove DT dependency from generic stub > > > > > > > > > > > 7cb6671e3caa efi: libstub: unify initrd loading between architectures > > > > > > > > > > > > > > > > > > I will have to respin the initrd patch, unfortunately, as it breaks > > > > > > > > > x86. So the signed tag will be updated, and the SHAs above will change > > > > > > > > > as well. > > > > > > > > Emm, initrd is also broken on LoongArch, the core kernel gets an > > > > > > > > EFI_INVALID_TABLE_ADDR address. > > > > > > > > > > > > > > > > > > > > > > OK, I will investigate. This was working fine before so I'm not sure > > > > > > > what happened there. > > > > > > > > > > > > > > > > > I cannot reproduce this. Can you reproduce it with qemu? If so, can > > > > > you share your command line and .config etc? > > > > In qemu we also OK, but on a real machine efistub fails at > > > > efi_bs_call(locate_device_path, &lf2_proto_guid, &dp, &handle), maybe > > > > our UEFI BIOS has some problems? On a real machine we use grub and > > > > there is no "initrd" command in UEFI shell. > > > > > > > > > > Ah ok, so i guess your GRUB lacks the LoadFile2 patches? > > > > > > https://lists.gnu.org/archive/html/grub-devel/2022-09/msg00057.html > > Maybe it is a GRUB problem (I'll discuss with GRUB team), but why > > without this series the GRUB can load initrd? Because in the old way > > UEFI BIOS fill initrd information to FDT? > > > > No GRUB loads the initrd and creates a DT with a /chosen node to > record the initrd base and size. Without this series, efistub also fails at efi_bs_call(locate_device_path, &lf2_proto_guid, &dp, &handle), but initrd works well, this makes me puzzled. Huacai