From: Borislav Petkov <bp@alien8.de>
To: Junichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Dave Young <dyoung@redhat.com>,
Chao Fan <fanc.fnst@cn.fujitsu.com>, Baoquan He <bhe@redhat.com>,
Kairui Song <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 v4] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel
Date: Tue, 16 Apr 2019 11:40:25 +0200 [thread overview]
Message-ID: <20190416094024.GE27892@zn.tnic> (raw)
In-Reply-To: <23309b73-d135-a207-564b-6003cee39184@ce.jp.nec.com>
On Mon, Apr 15, 2019 at 11:00:25PM +0000, Junichi Nomura wrote:
> I thought we should hang here instead of return so that we
> don't run into efi_get_rsdp_addr() in case of kexec.
Hanging that early without debug output is not very friendly to
debuggers, methinks.
> > + ei = &boot_params->efi_info;
> > + sig = (char *)&ei->efi_loader_signature;
> > + if (strncmp(sig, EFI64_LOADER_SIGNATURE, 4)) {
> > + debug_putstr("Wrong kexec EFI loader signature.\n");
> > + return 0;
> > + }
>
> Same here.
Ditto.
You get the idea.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
next prev parent reply other threads:[~2019-04-16 9:40 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 23:10 [PATCH v4] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Junichi Nomura
2019-04-10 17:14 ` Borislav Petkov
2019-04-10 23:34 ` Junichi Nomura
2019-04-11 8:09 ` Borislav Petkov
2019-04-11 8:16 ` Junichi Nomura
2019-04-11 8:37 ` Borislav Petkov
2019-04-11 9:13 ` Junichi Nomura
2019-04-11 9:21 ` Boris Petkov
2019-04-11 9:32 ` Junichi Nomura
2019-04-11 9:40 ` Boris Petkov
2019-04-11 12:58 ` Borislav Petkov
2019-04-12 2:54 ` Junichi Nomura
2019-04-12 8:49 ` Borislav Petkov
2019-04-12 13:35 ` Borislav Petkov
2019-04-15 7:01 ` Junichi Nomura
2019-04-15 9:07 ` Borislav Petkov
2019-04-15 10:25 ` Borislav Petkov
2019-04-15 23:00 ` Junichi Nomura
2019-04-15 23:14 ` Junichi Nomura
2019-04-16 9:45 ` Borislav Petkov
2019-04-16 23:09 ` kexec crash on OVMF i386 + x86_64 kernel (Re: [PATCH v4] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel) Junichi Nomura
2019-04-17 5:14 ` Dave Young
2019-04-17 17:57 ` Prakhya, Sai Praneeth
2019-04-16 9:40 ` Borislav Petkov [this message]
2019-04-16 9:52 ` [PATCH] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernels Borislav Petkov
2019-04-16 10:02 ` Ingo Molnar
2019-04-16 10:31 ` Borislav Petkov
2019-04-16 11:41 ` Dave Young
2019-04-16 13:22 ` Borislav Petkov
2019-04-17 1:38 ` Dave Young
2019-04-17 4:57 ` Dave Young
2019-04-17 6:00 ` Kairui Song
2019-04-17 7:08 ` Dave Young
2019-04-17 8:22 ` Borislav Petkov
2019-04-18 1:24 ` Dave Young
2019-04-19 8:34 ` [RFC PATCH] kexec, x86/boot: map systab region in identity mapping before accessing it Kairui Song
2019-04-19 8:58 ` Baoquan He
2019-04-19 9:39 ` Kairui Song
2019-04-16 22:44 ` [PATCH v4] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Junichi Nomura
2019-04-17 7:02 ` Dave Young
2019-04-17 8:54 ` Borislav Petkov
2019-04-17 9:02 ` Borislav Petkov
2019-04-17 10:31 ` Chao Fan
2019-04-11 8:42 ` Baoquan He
2019-04-11 9:14 ` Junichi Nomura
2019-04-12 0:23 ` Baoquan He
2019-04-15 7:46 ` Dave Young
2019-06-06 19:22 ` [tip:x86/boot] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernels tip-bot for Junichi Nomura
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=20190416094024.GE27892@zn.tnic \
--to=bp@alien8.de \
--cc=bhe@redhat.com \
--cc=dyoung@redhat.com \
--cc=fanc.fnst@cn.fujitsu.com \
--cc=j-nomura@ce.jp.nec.com \
--cc=kasong@redhat.com \
--cc=kexec@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=x86@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: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).