From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Wei Liu <wl@xen.org>
Cc: xen-devel@lists.xenproject.org, iwj@xenproject.org,
anthony.perard@citrix.com, jbeulich@suse.com,
andrew.cooper3@citrix.com, roger.pau@citrix.com,
jun.nakajima@intel.com, kevin.tian@intel.com
Subject: Re: [PATCH v2 1/4] xl: Add support for ignore_msrs option
Date: Thu, 21 Jan 2021 17:43:41 -0500 [thread overview]
Message-ID: <2126c661-32ac-ae0c-fef9-0cff75d47b7e@oracle.com> (raw)
In-Reply-To: <20210121145643.5ogz3worwt3gabdc@liuwe-devbox-debian-v2>
On 1/21/21 9:56 AM, Wei Liu wrote:
> On Wed, Jan 20, 2021 at 05:49:09PM -0500, Boris Ostrovsky wrote:
>> This option allows guest administrator specify what should happen when
>> guest accesses an MSR which is not explicitly emulated by the hypervisor.
>>
>> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
>> ---
>> docs/man/xl.cfg.5.pod.in | 20 +++++++++++++++++++-
>> tools/libs/light/libxl_types.idl | 7 +++++++
>> tools/xl/xl_parse.c | 7 +++++++
>> 3 files changed, 33 insertions(+), 1 deletion(-)
>
> It is mainly missing a #define LIBXL_HAVE_XXX in libxl.h.
>
> Other than that, this patch looks good to me. If you end up resending
> this series, please fix that issue.
>
> If other patches are all reviewed, you can provide some text to be
> merged into this patch.
>
> Wei.
>
Ah yes, I forgot about this.
diff --git a/tools/include/libxl.h b/tools/include/libxl.h
index 3433c950f9aa..f249740daf3f 100644
--- a/tools/include/libxl.h
+++ b/tools/include/libxl.h
@@ -1310,6 +1310,13 @@ void libxl_mac_copy(libxl_ctx *ctx, libxl_mac *dst, const libxl_mac *src);
*/
#define LIBXL_HAVE_CREATEINFO_XEND_SUSPEND_EVTCHN_COMPAT
+/*
+ * LIBXL_HAVE_IGNORE_MSRS indicates that the libxl_ignore_msrs field is
+ * present in libxl_domain_build_info. This field describes hypervisor
+ * behavior on guest accesses to unimplemented MSRs.
+ */
+#define LIBXL_HAVE_IGNORE_MSRS 1
+
typedef char **libxl_string_list;
void libxl_string_list_dispose(libxl_string_list *sl);
int libxl_string_list_length(const libxl_string_list *sl);
next prev parent reply other threads:[~2021-01-21 22:46 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-20 22:49 [PATCH v2 0/4] Permit fault-less access to non-emulated MSRs Boris Ostrovsky
2021-01-20 22:49 ` [PATCH v2 1/4] xl: Add support for ignore_msrs option Boris Ostrovsky
2021-01-21 14:56 ` Wei Liu
2021-01-21 22:43 ` Boris Ostrovsky [this message]
2021-01-22 9:52 ` Julien Grall
2021-01-22 18:28 ` Boris Ostrovsky
2021-01-22 18:33 ` Julien Grall
2021-01-22 18:39 ` Boris Ostrovsky
2021-01-22 20:42 ` Julien Grall
2021-02-18 10:42 ` Roger Pau Monné
2021-02-18 11:54 ` Jan Beulich
2021-02-18 15:52 ` Roger Pau Monné
2021-02-18 15:57 ` Jan Beulich
2021-02-19 14:50 ` Boris Ostrovsky
2021-02-22 10:24 ` Roger Pau Monné
2021-02-22 10:33 ` Jan Beulich
2021-01-20 22:49 ` [PATCH v2 2/4] x86: Introduce MSR_UNHANDLED Boris Ostrovsky
2021-01-22 11:51 ` Jan Beulich
2021-01-22 18:56 ` Boris Ostrovsky
2021-02-02 17:01 ` Boris Ostrovsky
2021-02-18 10:51 ` Roger Pau Monné
2021-02-19 14:56 ` Boris Ostrovsky
2021-02-22 11:08 ` Roger Pau Monné
2021-02-22 21:19 ` Boris Ostrovsky
2021-02-23 7:57 ` Jan Beulich
2021-02-23 9:34 ` Roger Pau Monné
2021-02-23 10:15 ` Jan Beulich
2021-02-23 12:17 ` Roger Pau Monné
2021-02-23 13:23 ` Jan Beulich
2021-02-23 15:39 ` Boris Ostrovsky
2021-02-23 16:10 ` Jan Beulich
2021-02-23 18:00 ` Roger Pau Monné
2021-02-23 16:11 ` Roger Pau Monné
2021-02-23 16:40 ` Boris Ostrovsky
2021-02-23 18:02 ` Roger Pau Monné
2021-02-23 18:45 ` Boris Ostrovsky
2021-01-20 22:49 ` [PATCH v2 3/4] x86: Allow non-faulting accesses to non-emulated MSRs if policy permits this Boris Ostrovsky
2021-01-22 12:51 ` Jan Beulich
2021-01-22 19:52 ` Boris Ostrovsky
2021-01-25 10:22 ` Jan Beulich
2021-01-25 18:42 ` Boris Ostrovsky
2021-01-26 9:05 ` Jan Beulich
2021-01-26 16:02 ` Boris Ostrovsky
2021-01-26 16:35 ` Jan Beulich
2021-02-18 11:24 ` Roger Pau Monné
2021-02-18 11:57 ` Jan Beulich
2021-02-18 15:53 ` Roger Pau Monné
2021-01-20 22:49 ` [PATCH v2 4/4] tools/libs: Apply MSR policy to a guest Boris Ostrovsky
2021-01-21 14:58 ` Wei Liu
2021-01-22 9:56 ` Julien Grall
2021-01-22 18:35 ` Boris Ostrovsky
2021-02-18 11:48 ` Roger Pau Monné
2021-02-19 14:57 ` Boris Ostrovsky
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