From: Borislav Petkov <bp@alien8.de>
To: Dave Young <dyoung@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org,
x86@kernel.org, mjg59@srcf.ucam.org, hpa@zytor.com,
James.Bottomley@HansenPartnership.com, vgoyal@redhat.com,
ebiederm@xmission.com, horms@verge.net.au,
kexec@lists.infradead.org, greg@kroah.com,
matt@console-pimps.org, toshi.kani@hp.com
Subject: Re: [PATCH v4 09/12] x86: add xloadflags bit for efi runtime support on kexec
Date: Wed, 27 Nov 2013 15:27:32 +0100 [thread overview]
Message-ID: <20131127142732.GF32267@pd.tnic> (raw)
In-Reply-To: <1385445477-9665-10-git-send-email-dyoung@redhat.com>
On Tue, Nov 26, 2013 at 01:57:54PM +0800, Dave Young wrote:
> Old kexec-tools can not load new kernel. The reason is previously kexec-tools
The reason is, kexec-tools ... previously, thus efi failed to initialize ...
> do not fill efi_info in x86 setup header thus efi init fail and switch
> to noefi boot. In new kexec-tools it will by default fill efi_info and
> pass other efi required infomation to 2nd kernel so kexec kernel efi
> initialization will success finally.
succeed
>
> To prevent from breaking userspace, add a new xloadflags bit so kexec-tools
> will check the flag and switch to old logic.
>
> changelog:
> Matt: +&& defined(CONFIG_KEXEC)
> HPA: document the flag.
>
> Signed-off-by: Dave Young <dyoung@redhat.com>
Other than that:
Acked-by: Borislav Petkov <bp@suse.de>
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2013-11-27 14:27 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-26 5:57 [PATCH v4 00/12] kexec kernel efi runtime support Dave Young
2013-11-26 5:57 ` [PATCH v4 01/12] efi: remove unused variables in __map_region Dave Young
2013-11-26 5:57 ` [PATCH v4 02/12] efi: add a wrapper function efi_map_region_fixed Dave Young
2013-11-26 5:57 ` [PATCH v4 03/12] efi: reserve boot service fix Dave Young
2013-11-26 5:57 ` [PATCH v4 04/12] efi: cleanup efi_enter_virtual_mode function Dave Young
2013-11-26 14:51 ` Matt Fleming
2013-11-26 5:57 ` [PATCH v4 05/12] efi: export more efi table variable to sysfs Dave Young
2013-11-26 8:50 ` Borislav Petkov
2013-11-26 9:13 ` Dave Young
2013-11-26 15:57 ` Matt Fleming
2013-11-27 2:53 ` Dave Young
2013-11-26 5:57 ` [PATCH v4 06/12] efi: export efi runtime memory mapping " Dave Young
2013-11-26 19:30 ` Matt Fleming
2013-11-27 3:07 ` Dave Young
2013-11-27 8:17 ` Dave Young
2013-11-27 11:44 ` Borislav Petkov
2013-11-29 9:40 ` Dave Young
2013-11-29 11:50 ` Borislav Petkov
2013-11-29 11:59 ` Matt Fleming
2013-12-02 2:51 ` Dave Young
2013-12-02 2:59 ` Dave Young
2013-12-02 9:40 ` Borislav Petkov
2013-12-07 9:01 ` Dave Young
2013-12-07 13:30 ` Borislav Petkov
2013-12-07 21:46 ` H. Peter Anvin
2013-12-09 2:23 ` Dave Young
2013-11-26 5:57 ` [PATCH v4 07/12] efi: passing kexec necessary efi data via setup_data Dave Young
2013-11-26 22:04 ` Matt Fleming
2013-11-27 4:52 ` Dave Young
2013-11-27 10:17 ` Matt Fleming
2013-11-29 9:46 ` Dave Young
2013-11-27 14:07 ` Borislav Petkov
2013-11-29 9:14 ` Dave Young
2013-11-29 16:46 ` Borislav Petkov
2013-12-02 2:49 ` Dave Young
2013-12-02 9:44 ` Borislav Petkov
2013-12-02 22:33 ` Toshi Kani
2013-12-03 1:31 ` Toshi Kani
2013-12-03 1:56 ` Dave Young
2013-12-03 15:39 ` Toshi Kani
2013-12-04 2:46 ` Dave Young
2013-12-04 16:43 ` Toshi Kani
2013-12-05 1:56 ` Dave Young
2013-12-05 11:51 ` Borislav Petkov
2013-12-05 15:56 ` Toshi Kani
2013-12-05 20:52 ` Borislav Petkov
2013-12-06 1:31 ` Dave Young
2013-11-26 5:57 ` [PATCH v4 08/12] efi: only print saved efi runtime maps instead of all memmap ranges for kexec Dave Young
2013-11-27 10:27 ` Matt Fleming
2013-11-27 14:27 ` Borislav Petkov
2013-11-29 8:50 ` Dave Young
2013-11-29 16:47 ` Borislav Petkov
2013-12-02 2:38 ` Dave Young
2013-11-29 8:47 ` Dave Young
2013-11-26 5:57 ` [PATCH v4 09/12] x86: add xloadflags bit for efi runtime support on kexec Dave Young
2013-11-27 14:27 ` Borislav Petkov [this message]
2013-11-29 8:44 ` Dave Young
2013-11-26 5:57 ` [PATCH v4 10/12] x86: export x86 boot_params to sysfs Dave Young
2013-11-27 11:20 ` Matt Fleming
2013-11-29 9:44 ` Dave Young
2013-11-27 14:56 ` Borislav Petkov
2013-11-29 8:42 ` Dave Young
2013-11-26 5:57 ` [PATCH v4 11/12] x86: reserve setup_data ranges late after parsing memmap cmdline Dave Young
2013-11-27 15:07 ` Borislav Petkov
2013-11-29 8:35 ` Dave Young
2013-11-29 16:56 ` Borislav Petkov
2013-11-26 5:57 ` [PATCH v4 12/12] x86: kdebugfs do not use __va for getting setup_data virt addr Dave Young
2013-11-26 6:04 ` [PATCH v4 00/12] kexec kernel efi runtime support Dave Young
2013-11-27 12:50 ` Matt Fleming
2013-11-28 2:08 ` Dave Young
2013-11-29 8:28 ` Dave Young
2013-11-29 17:02 ` Borislav Petkov
2013-12-02 2:32 ` Dave Young
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