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GET /api/1.1/patches/2233233/?format=api
{ "id": 2233233, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2233233/?format=api", "web_url": "http://patchwork.ozlabs.org/project/buildroot/patch/20260505213606.3873472-1-ju.o@free.fr/", "project": { "id": 27, "url": "http://patchwork.ozlabs.org/api/1.1/projects/27/?format=api", "name": "Buildroot development", "link_name": "buildroot", "list_id": "buildroot.buildroot.org", "list_email": "buildroot@buildroot.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260505213606.3873472-1-ju.o@free.fr>", "date": "2026-05-05T21:36:04", "name": "[1/2] board/pc/linux.config: enable CONFIG_EFI_STUB", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0103307f08df9edcac144ab951a4efcbc985fc86", "submitter": { "id": 80537, "url": "http://patchwork.ozlabs.org/api/1.1/people/80537/?format=api", "name": "Julien Olivain", "email": "ju.o@free.fr" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/buildroot/patch/20260505213606.3873472-1-ju.o@free.fr/mbox/", "series": [ { "id": 502900, "url": "http://patchwork.ozlabs.org/api/1.1/series/502900/?format=api", "web_url": "http://patchwork.ozlabs.org/project/buildroot/list/?series=502900", "date": "2026-05-05T21:36:04", "name": "[1/2] board/pc/linux.config: enable CONFIG_EFI_STUB", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502900/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2233233/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2233233/checks/", "tags": {}, "headers": { "Return-Path": "<buildroot-bounces@buildroot.org>", "X-Original-To": [ "incoming-buildroot@patchwork.ozlabs.org", "buildroot@buildroot.org" ], "Delivered-To": [ "patchwork-incoming-buildroot@legolas.ozlabs.org", "buildroot@buildroot.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=KUPkkAdI;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=2605:bc80:3010::136; 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envelope-from=buildroot-bounces@buildroot.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp3.osuosl.org 4B74760B9F", "OpenDKIM Filter v2.11.0 smtp2.osuosl.org 8AD3840297" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=buildroot.org;\n\ts=default; t=1778016985;\n\tbh=DzwtkV6cLPtlUbNRjug+i7p4+MDs4FfPFhudHzdnmPc=;\n\th=To:Cc:Date:Subject:List-Id:List-Unsubscribe:List-Archive:\n\t List-Post:List-Help:List-Subscribe:From:Reply-To:From;\n\tb=KUPkkAdI/DjH1RfSJisqO6RnLAdyI9OMuvsW2zkq2KJR4I/O+4mlqIvDfQl4uiP79\n\t MBrViu31Rem2ONzbVK2SA5hy3s1o+OF4rZUylADRHBKfMflY+CbsOIySiXr0/oXglk\n\t MIc/Mchg+4ucseODf2UkeuaAzG7r0608UrNIllqPcnAW3SLgZky2tPREk2vJhwVqo9\n\t rapz3J91UAJWQxj+2jWeqdFGIJrShSKbaRPPooBU7lUqPH6pp4UaXqNFB7JwJAV0tD\n\t SzP+8LAxoTaBA8CK/vKZuNPX33kda8Rk72vGPuLz/M0Bk7S6cz/CJfCDNQK+vItyEe\n\t Ro3dUVqUHi4IA==", "Received-SPF": "Pass (mailfrom) identity=mailfrom;\n client-ip=2a01:e0c:1:1599::14;\n helo=smtp5-g21.free.fr; envelope-from=ju.o@free.fr; receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp2.osuosl.org 8AD3840297", "To": "buildroot@buildroot.org", "Cc": "Dick Olsson <hi@senzilla.io>,\n Thomas Petazzoni <thomas.petazzoni@bootlin.com>,\n Julien Olivain <ju.o@free.fr>", "Date": "Tue, 5 May 2026 23:36:04 +0200", "Message-ID": "<20260505213606.3873472-1-ju.o@free.fr>", "X-Mailer": "git-send-email 2.54.0", "MIME-Version": "1.0", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=free.fr; s=smtp-20201208; t=1778016979;\n bh=MuNkOR0w35JocdvYWgBJR897UNTXsKjv4q7APK7cyGk=;\n h=From:To:Cc:Subject:Date:From;\n b=fzBmBOg/gZIC6UHqE+R4iDhRimOFoBWNDo3w5JDwlbXHoiadzbUKSEPmc/ofsqbCp\n HO/qV4hXoc6WywiVmEs22A6loAA+x+qthmitbCIhREDWqNypwTpJKS9DsuEMySeYMO\n 76cIs2n+CulpF+8eXkNcYKtnXBzEZf6Ov/z8IwTF6YicC3brYd+5EdS3lWOe9rO960\n 2I7YNgYjP9ODNTpLg6IJDH8x1CAirBlIqBv3d4s8/SUYqKc3eTQYX7m/yi3kxPsTCH\n vkAEeQ150uNjsBOONz19MP8CVxVpI0JB8KFhcSrYZqmcP5rvJUe35bmwq3XxavpDi8\n 4Yva1nuXVLxcA==", "X-Mailman-Original-Authentication-Results": [ "smtp2.osuosl.org;\n dmarc=pass (p=quarantine dis=none)\n header.from=free.fr", "smtp2.osuosl.org;\n dkim=pass (2048-bit key) header.d=free.fr header.i=@free.fr\n header.a=rsa-sha256 header.s=smtp-20201208 header.b=fzBmBOg/" ], "Subject": "[Buildroot] [PATCH 1/2] board/pc/linux.config: enable\n CONFIG_EFI_STUB", "X-BeenThere": "buildroot@buildroot.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Discussion and development of buildroot <buildroot.buildroot.org>", "List-Unsubscribe": "<https://lists.buildroot.org/mailman/options/buildroot>,\n <mailto:buildroot-request@buildroot.org?subject=unsubscribe>", "List-Archive": "<http://lists.buildroot.org/pipermail/buildroot/>", "List-Post": "<mailto:buildroot@buildroot.org>", "List-Help": "<mailto:buildroot-request@buildroot.org?subject=help>", "List-Subscribe": "<https://lists.buildroot.org/mailman/listinfo/buildroot>,\n <mailto:buildroot-request@buildroot.org?subject=subscribe>", "From": "Julien Olivain via buildroot <buildroot@buildroot.org>", "Reply-To": "Julien Olivain <ju.o@free.fr>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "buildroot-bounces@buildroot.org", "Sender": "\"buildroot\" <buildroot-bounces@buildroot.org>" }, "content": "When the Linux Kernel image does not include the EFI stub [1],\nGrub2 EFI linux loader fallback to the legacy i386 loading.\nSee [2] [3]. Grub 2.14 enabled the NX compatible for the EFI\nimage in [4].\n\nWhen booting a Linux Kernel without the EFI stub with Grub 2.14 with\nNX flag, the boot fails before starting the kernel with a EDK2 page\nfault error [5]:\n\n!!!! X64 Exception Type - 0E(#PF - Page-Fault) CPU Apic ID - 00000000 !!!!\nExceptionData - 0000000000000003 I:0 R:0 U:0 W:1 P:1 PK:0 SS:0 SGX:0\n\nThis commit adds CONFIG_EFI_STUB to board/pc/linux.config to make sure\ngrub will load the Kernel using its efi loading code.\n\nThis commit is needed with EDK2 with NX protection enabled and\nGrub 2.14 also enabling NX.\n\n[1] https://docs.kernel.org/admin-guide/efi-stub.html\n[2] https://gitlab.freedesktop.org/gnu-grub/grub/-/blob/grub-2.14/grub-core/loader/efi/linux.c#L532\n[3] https://gitlab.freedesktop.org/gnu-grub/grub/-/blob/grub-2.14/grub-core/loader/i386/linux.c#L675\n[4] https://gitlab.freedesktop.org/gnu-grub/grub/-/commit/f5bb766e688b1180e0ace3417d4947a934957a31\n[5] https://github.com/tianocore/edk2/blob/edk2-stable202602/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c#L273\n\nSigned-off-by: Julien Olivain <ju.o@free.fr>\n---\n board/pc/linux.config | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/board/pc/linux.config b/board/pc/linux.config\nindex 43b15c94be..cbc4f5a6b0 100644\n--- a/board/pc/linux.config\n+++ b/board/pc/linux.config\n@@ -5,6 +5,7 @@ CONFIG_SMP=y\n CONFIG_HYPERVISOR_GUEST=y\n CONFIG_PARAVIRT=y\n CONFIG_EFI=y\n+CONFIG_EFI_STUB=y\n CONFIG_NET=y\n CONFIG_PACKET=y\n CONFIG_UNIX=y\n", "prefixes": [ "1/2" ] }