From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
david.vrabel@citrix.com, konrad.wilk@oracle.com,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
roger.pau@citrix.com, mcgrof@suse.com
Subject: Re: [PATCH v2 02/11] xen/hvmlite: Bootstrap HVMlite guest
Date: Mon, 25 Apr 2016 09:54:37 -0400 [thread overview]
Message-ID: <571E219D.2090308@oracle.com> (raw)
In-Reply-To: <20160425134749.GB28454@pd.tnic>
On 04/25/2016 09:47 AM, Borislav Petkov wrote:
> On Mon, Apr 25, 2016 at 09:21:27AM -0400, Boris Ostrovsky wrote:
>> I was following Documentation/x86/boot.txt (plus comments in code preceding
>> those two routines) which I considered to be the API.
>>
>> We are supposed to come to startup_32 with paging off and %esi pointing to
>> boot_params. For 64-bit paging is on, %rsi points to zero-page.
> So the entry points which are ABI and the ones I believe you're talking
> about are in arch/x86/boot/compressed/head_64.S. But you have all this
> stuff laid out in arch/x86/xen/ and I don't see you using the entry
> points in boot/compressed/. It looks more to me that you're using the
> ones in arch/x86/kernel/head_{32,64}.S after decompression.
Yes, those. We don't do anything in arch/x86/boot/compressed, hypervisor
loads vmlinuX at entry point specified by XEN_ELFNOTE_PHYS32_ENTRY
(which is hvmlite_start_xen).
-boris
next prev parent reply other threads:[~2016-04-25 13:55 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-01 15:38 [PATCH v2 00/11] HVMlite domU support Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-01 15:38 ` [PATCH v2 01/11] xen/hvmlite: Import hvmlite-related Xen public interfaces Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-02 16:06 ` David Vrabel
2016-02-02 16:06 ` [Xen-devel] " David Vrabel
2016-02-01 15:38 ` [PATCH v2 02/11] xen/hvmlite: Bootstrap HVMlite guest Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-02 16:39 ` [Xen-devel] " David Vrabel
2016-02-02 17:19 ` Boris Ostrovsky
2016-02-02 17:19 ` [Xen-devel] " Boris Ostrovsky
2016-02-02 16:39 ` David Vrabel
2016-02-03 18:55 ` Luis R. Rodriguez
2016-02-03 18:55 ` Luis R. Rodriguez
2016-02-03 20:11 ` Boris Ostrovsky
2016-02-03 20:11 ` Boris Ostrovsky
2016-02-03 23:40 ` Luis R. Rodriguez
2016-02-04 19:54 ` Boris Ostrovsky
2016-02-04 20:57 ` Luis R. Rodriguez
2016-02-04 22:28 ` Boris Ostrovsky
2016-02-04 22:28 ` Boris Ostrovsky
2016-02-04 20:57 ` Luis R. Rodriguez
2016-02-04 19:54 ` Boris Ostrovsky
2016-02-03 23:40 ` Luis R. Rodriguez
2016-02-03 20:52 ` [Xen-devel] " Andrew Cooper
2016-02-03 23:59 ` Luis R. Rodriguez
2016-02-04 0:08 ` Luis R. Rodriguez
2016-02-04 0:08 ` [Xen-devel] " Luis R. Rodriguez
2016-02-04 0:51 ` Andrew Cooper
2016-02-04 23:10 ` Luis R. Rodriguez
2016-02-04 23:10 ` [Xen-devel] " Luis R. Rodriguez
2016-04-05 22:02 ` Luis R. Rodriguez
2016-04-05 22:02 ` Luis R. Rodriguez
2016-02-04 0:51 ` Andrew Cooper
2016-02-03 23:59 ` Luis R. Rodriguez
2016-02-03 20:52 ` Andrew Cooper
2016-04-24 20:23 ` Borislav Petkov
2016-04-24 20:23 ` Borislav Petkov
2016-04-25 13:21 ` Boris Ostrovsky
2016-04-25 13:47 ` Borislav Petkov
2016-04-25 13:54 ` Boris Ostrovsky
2016-04-25 13:54 ` Boris Ostrovsky [this message]
2016-04-25 14:11 ` Borislav Petkov
2016-04-25 14:11 ` Borislav Petkov
2016-04-25 14:42 ` Boris Ostrovsky
2016-04-25 14:42 ` Boris Ostrovsky
2016-04-25 15:22 ` Borislav Petkov
2016-04-25 15:48 ` Boris Ostrovsky
2016-04-25 15:48 ` Boris Ostrovsky
2016-04-26 10:53 ` Borislav Petkov
2016-04-26 10:53 ` Borislav Petkov
2016-04-25 15:22 ` Borislav Petkov
2016-04-25 13:47 ` Borislav Petkov
2016-04-25 13:21 ` Boris Ostrovsky
2016-04-25 17:24 ` David Vrabel
2016-04-25 17:24 ` [Xen-devel] " David Vrabel
2016-02-01 15:38 ` [PATCH v2 03/11] xen/hvmlite: Initialize HVMlite kernel Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-17 20:08 ` [Xen-devel] " Luis R. Rodriguez
2016-02-17 20:08 ` Luis R. Rodriguez
2016-02-01 15:38 ` [PATCH v2 04/11] xen/hvmlite: Allow HVMlite guests delay initializing grant table Boris Ostrovsky
2016-02-02 16:13 ` David Vrabel
2016-02-02 16:13 ` [Xen-devel] " David Vrabel
2016-02-02 16:49 ` Boris Ostrovsky
2016-02-02 16:49 ` [Xen-devel] " Boris Ostrovsky
2016-02-03 18:59 ` Luis R. Rodriguez
2016-02-03 18:59 ` Luis R. Rodriguez
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-01 15:38 ` [PATCH v2 05/11] xen/hvmlite: HVMlite guests always have PV devices Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-01 15:38 ` [PATCH v2 06/11] xen/hvmlite: Prepare cpu_initialize_context() routine for HVMlite SMP Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-02 16:16 ` [Xen-devel] " David Vrabel
2016-02-02 16:16 ` David Vrabel
2016-02-01 15:38 ` [PATCH v2 07/11] xen/hvmlite: Initialize context for secondary VCPUs Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-02 16:21 ` [Xen-devel] " David Vrabel
2016-02-02 16:58 ` Boris Ostrovsky
2016-02-02 16:58 ` [Xen-devel] " Boris Ostrovsky
2016-02-04 10:07 ` David Vrabel
2016-02-04 10:07 ` [Xen-devel] " David Vrabel
2016-02-04 12:58 ` Doug Goldstein
2016-02-04 19:08 ` Boris Ostrovsky
2016-02-04 19:08 ` Boris Ostrovsky
2016-02-04 12:58 ` Doug Goldstein
2016-02-02 16:21 ` David Vrabel
2016-02-01 15:38 ` [PATCH v2 08/11] xen/hvmlite: Extend APIC operations for HVMlite guests Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-04 10:04 ` [Xen-devel] " David Vrabel
2016-02-04 12:14 ` Roger Pau Monné
2016-02-04 14:01 ` Boris Ostrovsky
2016-02-04 14:01 ` Boris Ostrovsky
2016-02-04 12:14 ` Roger Pau Monné
2016-02-04 10:04 ` David Vrabel
2016-02-01 15:38 ` [PATCH v2 09/11] xen/hvmlite: Use x86's default timer init " Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-02 16:27 ` [Xen-devel] " David Vrabel
2016-02-02 17:01 ` Boris Ostrovsky
2016-02-02 17:01 ` [Xen-devel] " Boris Ostrovsky
2016-02-02 16:27 ` David Vrabel
2016-02-01 15:38 ` [PATCH v2 10/11] xen/hvmlite: Boot secondary CPUs Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
2016-02-04 10:38 ` [Xen-devel] " David Vrabel
2016-02-04 13:51 ` Boris Ostrovsky
2016-02-04 13:51 ` [Xen-devel] " Boris Ostrovsky
2016-02-04 10:38 ` David Vrabel
2016-02-01 15:38 ` [PATCH v2 11/11] xen/hvmlite: Enable CPU on-/offlining Boris Ostrovsky
2016-02-01 15:38 ` Boris Ostrovsky
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