From: Jean Delvare <jdelvare@suse.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: kexec@lists.infradead.org, Dave Young <dyoung@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org,
Mika Westerberg <mika.westerberg@linux.intel.com>
Subject: Re: [PATCH v1 2/2] firmware: dmi_scan: Pass dmi_entry_point to kexec'ed kernel
Date: Fri, 16 Dec 2016 14:33:30 +0100 [thread overview]
Message-ID: <20161216143330.69e9c8ee@endymion> (raw)
In-Reply-To: <1481890738.9552.70.camel@linux.intel.com>
On Fri, 16 Dec 2016 14:18:58 +0200, Andy Shevchenko wrote:
> On Fri, 2016-12-16 at 10:32 +0800, Dave Young wrote:
> > On 12/15/16 at 12:28pm, Jean Delvare wrote:
> > > I am no kexec expert but this confuses me. Shouldn't the second
> > > kernel have access to the EFI systab as the first kernel does? It
> > > includes many more pointers than just ACPI and DMI tables, and it
> > > would seem inconvenient to have to pass all these addresses
> > > individually explicitly.
> >
> > Yes, in modern linux kernel, kexec has the support for EFI, I think it
> > should work naturally at least in x86_64.
>
> Thanks for this good news!
>
> Unfortunately Intel Galileo is 32-bit platform.
If it was done for X86_64 then maybe it can be generalized to X86?
--
Jean Delvare
SUSE L3 Support
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
WARNING: multiple messages have this Message-ID (diff)
From: Jean Delvare <jdelvare@suse.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dave Young <dyoung@redhat.com>,
kexec@lists.infradead.org,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Eric Biederman <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 2/2] firmware: dmi_scan: Pass dmi_entry_point to kexec'ed kernel
Date: Fri, 16 Dec 2016 14:33:30 +0100 [thread overview]
Message-ID: <20161216143330.69e9c8ee@endymion> (raw)
In-Reply-To: <1481890738.9552.70.camel@linux.intel.com>
On Fri, 16 Dec 2016 14:18:58 +0200, Andy Shevchenko wrote:
> On Fri, 2016-12-16 at 10:32 +0800, Dave Young wrote:
> > On 12/15/16 at 12:28pm, Jean Delvare wrote:
> > > I am no kexec expert but this confuses me. Shouldn't the second
> > > kernel have access to the EFI systab as the first kernel does? It
> > > includes many more pointers than just ACPI and DMI tables, and it
> > > would seem inconvenient to have to pass all these addresses
> > > individually explicitly.
> >
> > Yes, in modern linux kernel, kexec has the support for EFI, I think it
> > should work naturally at least in x86_64.
>
> Thanks for this good news!
>
> Unfortunately Intel Galileo is 32-bit platform.
If it was done for X86_64 then maybe it can be generalized to X86?
--
Jean Delvare
SUSE L3 Support
next prev parent reply other threads:[~2016-12-16 13:34 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-02 19:54 [PATCH v1 0/2] firmware: dmi_scan: Make it work in kexec'ed kernel Andy Shevchenko
2016-12-02 19:54 ` [PATCH v1 1/2] firmware: dmi_scan: Split out dmi_get_entry_point() helper Andy Shevchenko
2016-12-15 11:13 ` Jean Delvare
2016-12-02 19:54 ` [PATCH v1 2/2] firmware: dmi_scan: Pass dmi_entry_point to kexec'ed kernel Andy Shevchenko
2016-12-15 11:28 ` Jean Delvare
2016-12-15 11:28 ` Jean Delvare
2016-12-16 2:32 ` Dave Young
2016-12-16 2:32 ` Dave Young
2016-12-16 12:18 ` Andy Shevchenko
2016-12-16 12:18 ` Andy Shevchenko
2016-12-16 13:33 ` Jean Delvare [this message]
2016-12-16 13:33 ` Jean Delvare
2016-12-17 10:57 ` Dave Young
2016-12-17 10:57 ` Dave Young
2019-09-06 19:00 ` Andy Shevchenko
2019-09-06 19:00 ` Andy Shevchenko
2020-01-20 12:19 ` Andy Shevchenko
2020-01-20 16:04 ` Eric W. Biederman
2020-01-20 21:42 ` Jean Delvare
2020-01-20 21:55 ` Andy Shevchenko
2020-01-21 9:03 ` Jean Delvare
2020-01-21 16:29 ` Eric W. Biederman
2020-01-21 17:24 ` Andy Shevchenko
2020-01-20 22:31 ` Andy Shevchenko
2020-01-20 23:18 ` Ard Biesheuvel
2020-01-21 15:37 ` Andy Shevchenko
2020-01-21 17:17 ` Eric W. Biederman
2020-05-21 17:39 ` Andy Shevchenko
2020-05-21 17:39 ` Andy Shevchenko
2021-06-02 8:37 ` Andy Shevchenko
2021-06-02 8:37 ` Andy Shevchenko
2021-06-02 8:53 ` Andy Shevchenko
2021-06-02 8:53 ` Andy Shevchenko
2016-12-17 10:50 ` Dave Young
2016-12-17 10:50 ` Dave Young
2020-01-20 12:16 ` [PATCH v1 0/2] firmware: dmi_scan: Make it work in " Andy Shevchenko
2020-05-21 15:53 ` Andy Shevchenko
2020-05-21 15:59 ` Andy Shevchenko
2021-06-02 8:42 ` Andy Shevchenko
2021-06-02 8:42 ` Andy Shevchenko
2021-06-02 8:53 ` Andy Shevchenko
2021-06-02 8:53 ` Andy Shevchenko
2021-06-05 7:51 ` Dave Young
2021-06-05 7:51 ` Dave Young
2021-06-07 16:22 ` Andy Shevchenko
2021-06-07 16:22 ` Andy Shevchenko
2021-06-07 17:18 ` Andy Shevchenko
2021-06-07 17:18 ` Andy Shevchenko
2021-06-08 12:25 ` Dave Young
2021-06-08 12:25 ` Dave Young
2021-06-08 12:38 ` Andy Shevchenko
2021-06-08 12:38 ` Andy Shevchenko
2021-06-09 11:55 ` Dave Young
2021-06-09 11:55 ` Dave Young
2021-06-12 4:40 ` Dave Young
2021-06-12 4:40 ` Dave Young
2021-06-14 15:38 ` Andy Shevchenko
2021-06-14 15:38 ` Andy Shevchenko
2021-06-14 17:07 ` Andy Shevchenko
2021-06-14 17:07 ` Andy Shevchenko
2021-06-14 17:27 ` Andy Shevchenko
2021-06-14 17:27 ` Andy Shevchenko
2021-07-19 7:53 ` Ard Biesheuvel
2021-07-19 7:53 ` Ard Biesheuvel
2021-07-19 8:25 ` Andy Shevchenko
2021-07-19 8:25 ` Andy Shevchenko
2021-10-06 16:28 ` Andy Shevchenko
2021-10-06 16:28 ` Andy Shevchenko
2021-10-07 7:20 ` Ard Biesheuvel
2021-10-07 7:20 ` Ard Biesheuvel
2021-10-07 7:23 ` Andy Shevchenko
2021-10-07 7:23 ` Andy Shevchenko
2021-10-17 13:31 ` Ard Biesheuvel
2021-10-17 13:31 ` Ard Biesheuvel
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