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From: George Dunlap <george.dunlap@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
	xen-devel <xen-devel@lists.xenproject.org>
Cc: George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Paul Durrant <paul.durrant@citrix.com>
Subject: Re: [PATCH v5 03/14] x86emul: abstract out XCRn accesses
Date: Tue, 20 Mar 2018 17:22:38 +0000	[thread overview]
Message-ID: <179fec1d-9153-5925-7e01-33a3785817d7@citrix.com> (raw)
In-Reply-To: <5AAA7D6902000078001B225C@prv-mh.provo.novell.com>

On 03/15/2018 01:04 PM, Jan Beulich wrote:
> Use hooks, just like done for other special purpose registers.
> 
> This includes moving XCR0 checks from hvmemul_get_fpu() to the emulator
> itself as well as adding support for XGETBV emulation.
> 
> For now fuzzer reads will obtain the real values (minus the fuzzing of
> the hook pointer itself).
> 
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Tracing parts:

Reviewed-by: George Dunlap <george.dunlap@citrix.com>

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  parent reply	other threads:[~2018-03-20 17:25 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-15 12:57 [PATCH v5 00/14] x86: emulator enhancements Jan Beulich
2018-03-15 13:02 ` [PATCH v5 01/14] x86emul: support 3DNow! insns Jan Beulich
2018-03-15 13:24   ` Andrew Cooper
2018-03-15 13:03 ` [PATCH v5 02/14] x86emul: place test blobs in executable section Jan Beulich
2018-03-15 13:04 ` [PATCH v5 03/14] x86emul: abstract out XCRn accesses Jan Beulich
2018-03-15 13:35   ` Andrew Cooper
2018-03-15 13:44     ` Jan Beulich
2018-03-15 13:55       ` Andrew Cooper
2018-03-15 15:41   ` Andrew Cooper
2018-03-15 16:08     ` Jan Beulich
2018-03-19 13:56   ` Paul Durrant
2018-03-20 17:22   ` George Dunlap [this message]
2018-03-15 13:04 ` [PATCH v5 04/14] x86emul: adjust_bnd() should check XCR0 Jan Beulich
2018-03-15 13:06 ` [PATCH v5 05/14] x86/HVM: eliminate custom #MF/#XM handling Jan Beulich
2018-03-22 14:12   ` Roger Pau Monné
2018-03-22 14:38     ` Jan Beulich
2018-03-15 13:07 ` [PATCH v5 06/14] x86emul: tell cmpxchg hook whether LOCK is in effect Jan Beulich
2018-03-15 13:08 ` [PATCH v5 07/14] x86emul: correctly handle CMPXCHG* comparison failures Jan Beulich
2018-03-15 13:08 ` [PATCH v5 08/14] x86emul: add read-modify-write hook Jan Beulich
2018-03-15 14:19   ` Andrew Cooper
2018-03-15 14:46     ` Jan Beulich
2018-03-15 14:48       ` Andrew Cooper
2018-03-15 13:09 ` [PATCH v5 09/14] x86emul: also handle shifts through ->rmw() Jan Beulich
2018-03-15 14:23   ` Andrew Cooper
2018-03-15 13:10 ` [PATCH v5 10/14] x86/HVM: do actual CMPXCHG in hvmemul_cmpxchg() Jan Beulich
2018-03-15 15:28   ` Andrew Cooper
2018-03-15 13:10 ` [PATCH v5 11/14] x86/HVM: make use of new read-modify-write emulator hook Jan Beulich
2018-03-15 13:12 ` [PATCH v5 12/14] x86/HVM: use x86emul_write_xcr() Jan Beulich
2018-03-15 15:43   ` Andrew Cooper
2018-03-15 16:05     ` Boris Ostrovsky
2018-03-19 12:57   ` Tian, Kevin
2018-03-15 13:13 ` [PATCH v5 13/14] x86/shadow: fully move unmap-dest into common code Jan Beulich
2018-03-15 13:13 ` [PATCH v5 14/14] x86/shadow: fold sh_x86_emulate_{write, cmpxchg}() into their only callers Jan Beulich

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