From: Borislav Petkov <bp@alien8.de> To: Junichi Nomura <j-nomura@ce.jp.nec.com> Cc: Dave Young <dyoung@redhat.com>, "fanc.fnst@cn.fujitsu.com" <fanc.fnst@cn.fujitsu.com>, "bhe@redhat.com" <bhe@redhat.com>, "kasong@redhat.com" <kasong@redhat.com>, "x86@kernel.org" <x86@kernel.org>, "kexec@lists.infradead.org" <kexec@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v2] x86/boot: Use EFI setup data if provided Date: Tue, 26 Mar 2019 14:57:14 +0100 [thread overview] Message-ID: <20190326135714.GG1867@zn.tnic> (raw) In-Reply-To: <20190325231000.GA9184@jeru.linux.bs1.fc.nec.co.jp> On Mon, Mar 25, 2019 at 11:10:01PM +0000, Junichi Nomura wrote: > efi_get_rsdp_addr() and kexec_get_rsdp_addr() could be implemented > like this (sorry about the pseudo code): This doesn't look like what I suggested: > So efi_get_rsdp_addr() needs to be refactored in such a way so that at > least the loop towards the end gets carved out into a separate function > - __efi_get_rsdp_addr() or so - which gets config_tables, nr_tables and > size as arguments and finds the RSDP address in the kexec-ed kernel. You need to carve out the loop at the end and make it into a separate __efi_get_rsdp_addr() function which gets the physical or the virtual address. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
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From: Borislav Petkov <bp@alien8.de> To: Junichi Nomura <j-nomura@ce.jp.nec.com> Cc: "fanc.fnst@cn.fujitsu.com" <fanc.fnst@cn.fujitsu.com>, "kasong@redhat.com" <kasong@redhat.com>, "bhe@redhat.com" <bhe@redhat.com>, "x86@kernel.org" <x86@kernel.org>, "kexec@lists.infradead.org" <kexec@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Dave Young <dyoung@redhat.com> Subject: Re: [PATCH v2] x86/boot: Use EFI setup data if provided Date: Tue, 26 Mar 2019 14:57:14 +0100 [thread overview] Message-ID: <20190326135714.GG1867@zn.tnic> (raw) In-Reply-To: <20190325231000.GA9184@jeru.linux.bs1.fc.nec.co.jp> On Mon, Mar 25, 2019 at 11:10:01PM +0000, Junichi Nomura wrote: > efi_get_rsdp_addr() and kexec_get_rsdp_addr() could be implemented > like this (sorry about the pseudo code): This doesn't look like what I suggested: > So efi_get_rsdp_addr() needs to be refactored in such a way so that at > least the loop towards the end gets carved out into a separate function > - __efi_get_rsdp_addr() or so - which gets config_tables, nr_tables and > size as arguments and finds the RSDP address in the kexec-ed kernel. You need to carve out the loop at the end and make it into a separate __efi_get_rsdp_addr() function which gets the physical or the virtual address. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec
next prev parent reply other threads:[~2019-03-26 13:57 UTC|newest] Thread overview: 173+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-03-22 11:03 [PATCH] x86/boot: Use EFI setup data if provided Junichi Nomura 2019-03-22 15:23 ` Borislav Petkov 2019-03-25 0:27 ` Junichi Nomura 2019-03-25 0:27 ` Junichi Nomura 2019-03-25 6:01 ` Dave Young 2019-03-25 6:01 ` Dave Young 2019-03-25 6:19 ` Dave Young 2019-03-25 6:19 ` Dave Young 2019-03-25 6:45 ` Kairui Song 2019-03-25 6:45 ` Kairui Song 2019-03-25 6:47 ` Junichi Nomura 2019-03-25 6:47 ` Junichi Nomura 2019-03-25 6:59 ` Dave Young 2019-03-25 6:59 ` Dave Young 2019-03-25 8:27 ` [PATCH v2] " Junichi Nomura 2019-03-25 8:27 ` Junichi Nomura 2019-03-25 8:54 ` Boris Petkov 2019-03-25 8:54 ` Boris Petkov 2019-03-25 9:25 ` [PATCH v2] x86/boot: Don't try to search RSDP from EFI when kexec-booted Junichi Nomura 2019-03-25 9:25 ` Junichi Nomura 2019-03-25 10:15 ` [PATCH v2] x86/boot: Use EFI setup data if provided Dave Young 2019-03-25 10:15 ` Dave Young 2019-03-25 10:36 ` Junichi Nomura 2019-03-25 10:36 ` Junichi Nomura 2019-03-25 11:16 ` Dave Young 2019-03-25 11:16 ` Dave Young 2019-03-25 12:01 ` Borislav Petkov 2019-03-25 12:01 ` Borislav Petkov 2019-03-25 12:23 ` Dave Young 2019-03-25 12:23 ` Dave Young 2019-03-25 12:32 ` Borislav Petkov 2019-03-25 12:32 ` Borislav Petkov 2019-03-25 23:10 ` Junichi Nomura 2019-03-25 23:10 ` Junichi Nomura 2019-03-26 12:46 ` Dave Young 2019-03-26 12:46 ` Dave Young 2019-03-26 13:57 ` Borislav Petkov [this message] 2019-03-26 13:57 ` Borislav Petkov 2019-03-27 1:48 ` bhe 2019-03-27 1:48 ` bhe 2019-03-27 12:14 ` Borislav Petkov 2019-03-27 12:14 ` Borislav Petkov 2019-03-28 4:17 ` Junichi Nomura 2019-03-28 4:17 ` Junichi Nomura 2019-03-28 6:26 ` Chao Fan 2019-03-28 6:26 ` Chao Fan 2019-03-28 6:43 ` bhe 2019-03-28 6:43 ` bhe 2019-03-28 7:43 ` Junichi Nomura 2019-03-28 7:43 ` Junichi Nomura 2019-03-28 15:52 ` Borislav Petkov 2019-03-28 15:52 ` Borislav Petkov 2019-03-29 3:05 ` Junichi Nomura 2019-03-29 3:05 ` Junichi Nomura 2019-03-29 8:39 ` Borislav Petkov 2019-03-29 8:39 ` Borislav Petkov 2019-03-29 9:05 ` Chao Fan 2019-03-29 9:05 ` Chao Fan 2019-03-29 9:16 ` Borislav Petkov 2019-03-29 9:16 ` Borislav Petkov 2019-03-29 9:37 ` Junichi Nomura 2019-03-29 9:37 ` Junichi Nomura 2019-03-29 9:44 ` Chao Fan 2019-03-29 9:44 ` Chao Fan 2019-03-29 9:56 ` Junichi Nomura 2019-03-29 9:56 ` Junichi Nomura 2019-03-29 7:20 ` [PATCH] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Junichi Nomura 2019-03-29 7:20 ` Junichi Nomura 2019-03-29 7:49 ` bhe 2019-03-29 7:49 ` bhe 2019-03-29 8:29 ` Chao Fan 2019-03-29 8:29 ` Chao Fan 2019-03-29 8:39 ` Junichi Nomura 2019-03-29 8:39 ` Junichi Nomura 2019-03-29 9:18 ` Chao Fan 2019-03-29 9:18 ` Chao Fan 2019-03-29 9:16 ` bhe 2019-03-29 9:16 ` bhe 2019-03-29 9:20 ` Chao Fan 2019-03-29 9:20 ` Chao Fan 2019-04-01 0:08 ` [PATCH v2] " Junichi Nomura 2019-04-01 0:08 ` Junichi Nomura 2019-04-02 9:41 ` Chao Fan 2019-04-02 9:41 ` Chao Fan 2019-04-02 9:53 ` Junichi Nomura 2019-04-02 9:53 ` Junichi Nomura 2019-04-02 11:06 ` Chao Fan 2019-04-02 11:06 ` Chao Fan 2019-04-02 10:22 ` Junichi Nomura 2019-04-02 10:22 ` Junichi Nomura 2019-04-02 12:03 ` Dave Young 2019-04-02 12:03 ` Dave Young 2019-04-03 5:35 ` Chao Fan 2019-04-03 5:35 ` Chao Fan 2019-04-03 5:53 ` Dave Young 2019-04-03 5:53 ` Dave Young 2019-04-03 6:39 ` Dave Young 2019-04-03 6:39 ` Dave Young 2019-04-03 7:30 ` Chao Fan 2019-04-03 7:30 ` Chao Fan 2019-04-03 7:50 ` bhe 2019-04-03 7:50 ` bhe 2019-04-03 8:23 ` Dave Young 2019-04-03 8:23 ` Dave Young 2019-04-03 8:26 ` Dave Young 2019-04-03 8:26 ` Dave Young 2019-04-03 16:14 ` Borislav Petkov 2019-04-03 16:14 ` Borislav Petkov 2019-04-04 1:02 ` Chao Fan 2019-04-04 1:02 ` Chao Fan 2019-04-03 9:28 ` Chao Fan 2019-04-03 9:28 ` Chao Fan 2019-04-03 7:21 ` Chao Fan 2019-04-03 7:21 ` Chao Fan 2019-04-03 8:09 ` Dave Young 2019-04-03 8:09 ` Dave Young 2019-04-03 8:23 ` Chao Fan 2019-04-03 8:23 ` Chao Fan 2019-04-03 9:02 ` Chao Fan 2019-04-03 9:02 ` Chao Fan 2019-04-03 9:39 ` Chao Fan 2019-04-03 9:39 ` Chao Fan 2019-04-04 1:23 ` Junichi Nomura 2019-04-04 1:23 ` Junichi Nomura 2019-04-04 2:52 ` Dave Young 2019-04-04 2:52 ` Dave Young 2019-04-04 3:00 ` bhe 2019-04-04 3:00 ` bhe 2019-04-04 3:10 ` bhe 2019-04-04 3:10 ` bhe 2019-04-04 3:22 ` Dave Young 2019-04-04 3:22 ` Dave Young 2019-04-04 6:41 ` Dave Young 2019-04-04 6:41 ` Dave Young 2019-04-04 7:20 ` Chao Fan 2019-04-04 7:20 ` Chao Fan 2019-04-04 7:41 ` Dave Young 2019-04-04 7:41 ` Dave Young 2019-04-04 7:48 ` Chao Fan 2019-04-04 7:48 ` Chao Fan 2019-04-04 12:22 ` Borislav Petkov 2019-04-04 12:22 ` Borislav Petkov 2019-04-04 14:08 ` Dave Young 2019-04-04 14:08 ` Dave Young 2019-04-03 8:18 ` Dave Young 2019-04-03 8:18 ` Dave Young 2019-04-02 10:25 ` [PATCH v3] " Junichi Nomura 2019-04-02 10:25 ` Junichi Nomura 2019-04-04 7:32 ` Dave Young 2019-04-04 7:32 ` Dave Young 2019-04-04 12:24 ` Borislav Petkov 2019-04-04 12:24 ` Borislav Petkov 2019-04-04 14:12 ` Dave Young 2019-04-04 14:12 ` Dave Young 2019-04-04 14:41 ` Borislav Petkov 2019-04-04 14:41 ` Borislav Petkov 2019-04-05 1:36 ` Dave Young 2019-04-05 1:36 ` Dave Young 2019-04-05 4:19 ` Junichi Nomura 2019-04-05 4:19 ` Junichi Nomura 2019-03-28 23:11 ` [PATCH v2] x86/boot: Use EFI setup data if provided bhe 2019-03-28 23:11 ` bhe 2019-03-29 3:34 ` Junichi Nomura 2019-03-29 3:34 ` Junichi Nomura 2019-03-29 3:52 ` bhe 2019-03-29 3:52 ` bhe 2019-03-29 5:16 ` Junichi Nomura 2019-03-29 5:16 ` Junichi Nomura 2019-03-25 7:27 ` [PATCH] " Baoquan He 2019-03-25 7:53 ` Borislav Petkov 2019-03-25 8:21 ` Baoquan He 2019-03-25 8:43 ` Thomas Gleixner 2019-03-25 9:03 ` Baoquan He
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