On 18.07.17 12:34, Sergey Dyasli wrote:
> The new function finds all np2m objects with the specified eptp and
> flushes them. p2m_flush_table_locked() is added in order not to release
> the p2m lock after np2m_base check.
>
> Signed-off-by: Sergey Dyasli
> ---
> xen/arch/x86/mm/p2m.c | 34 ++
On 08.03.17 09:45, Jan Beulich wrote:
> Other Amazon folks indicate he's not available as a maintainer anymore
> at this point in time. Maintenance of the MCE sub-component will fall
> back to the x86 maintainers.
>
> Signed-off-by: Jan Beulich
Acked-by: Christoph Egger
>
> --- a/MAINTAINERS
On 27.05.16 15:30, Haozhong Zhang wrote:
> Commit 26646f3 "x86/mce: translate passed-in GPA to host machine
> address" and commit 4ddf474 "tools/xen-mceinj: Pass in GPA when
> injecting through MSR_MCI_ADDR" forgot to consider reserved domain
> ID and mistakenly add MC_MSRINJ_F_GPADDR flag for them
On 26/05/16 03:07, Haozhong Zhang wrote:
> Commit 26646f3 "x86/mce: translate passed-in GPA to host machine
> address" forgot to consider dom_xen, which fails tools/xen-mceinj when
> it's going to inject into domain DOMID_XEN (e.g. when -d option is not
> used) via XEN_MC_msrinject. Use dom_xen whe
On 01/02/16 10:00, Jan Beulich wrote:
On 01.02.16 at 09:14, wrote:
>> On 01/02/16 09:04, Jan Beulich wrote:
> This, otoh, reads as if you imply we intercept the L2's INVLPG.
> Yet the INVLPG intercept gets cleared when the domain uses
> NPT (and your original change also didn't al
On 01/02/16 09:04, Jan Beulich wrote:
>>> This, otoh, reads as if you imply we intercept the L2's INVLPG.
>>> Yet the INVLPG intercept gets cleared when the domain uses
>>> NPT (and your original change also didn't alter any intercept
>>> settings). Hence I'm still lost how hap_invlpg() can be reac
On 29/01/16 16:53, Jan Beulich wrote:
>>>> On 29.01.16 at 15:02, wrote:
>> On 29/01/16 14:57, Egger, Christoph wrote:
>>> On 29/01/16 14:24, Jan Beulich wrote:
>>>> Christoph,
>>>>
>>>> in commit dd6de3ab99 ("Implement Nested-
On 29/01/16 14:57, Egger, Christoph wrote:
> On 29/01/16 14:24, Jan Beulich wrote:
>> Christoph,
>>
>> in commit dd6de3ab99 ("Implement Nested-on-Nested") you added
>> code to hap_invlpg() supposedly emulating INVLPGA. I've been
>> stumbling acro
On 29/01/16 14:24, Jan Beulich wrote:
> Christoph,
>
> in commit dd6de3ab99 ("Implement Nested-on-Nested") you added
> code to hap_invlpg() supposedly emulating INVLPGA. I've been
> stumbling across this a number of times in the past, not being able
> to make the connection between (a) VMX/EPT and
On 22/01/16 15:47, Andrew Cooper wrote:
> On 22/01/16 14:38, Ian Campbell wrote:
>> Debian bug 812166[0] reported this build failure due to
>> Wmisleading-indentation with gcc-6:
>>
>> non-fatal.c: In function 'init_nonfatal_mce_checker':
>> non-fatal.c:103:2: error: statement is indented as if it
On 17/01/16 22:58, Haozhong Zhang wrote:
> Both VMX TSC scaling and SVM TSC ratio use the 64-bit TSC scaling ratio,
> but the number of fractional bits of the ratio is different between VMX
> and SVM. This patch adds the architecture code to collect the number of
> fractional bits and other related
On 2015/12/09 13:22, Wei Liu wrote:
> On Thu, Dec 03, 2015 at 11:22:17AM +, Ian Campbell wrote:
>> The existing xc_map_foreign_bulk-like interface encourages callers to
>> miss error checking for partial failure (by forgetting to scan the err
>> array).
>>
>> Add support for passing err==NULL w
Did you consider nested virtualization?
L1 hypervisor may have a different tsc scaling
and L2 guest again may have a different tsc scale ratio.
Christoph
On 2015/12/06 22:14, Haozhong Zhang wrote:
> I have tested this patchset on both Intel and AMD systems.
>
> For the test on AMD systems, I mad
On 2015/09/16 7:35, Haozhong Zhang wrote:
> Remove trailing whitespaces in xen-mceinj.c.
>
> Signed-off-by: Haozhong Zhang
Acked-by: Christoph Egger
> ---
> tools/tests/mce-test/tools/xen-mceinj.c | 66
> -
> 1 file changed, 33 insertions(+), 33 deletions(-)
>
On 2015/09/16 7:35, Haozhong Zhang wrote:
> Remove trailing whitespaces and fix indentations in mce.c and xen_mca.h.
>
> Signed-off-by: Haozhong Zhang
Acked-by: Christoph Egger
> ---
> xen/arch/x86/cpu/mcheck/mce.c | 10 +-
> xen/include/public/arch-x86/xen-mca.h | 30
On 2015/09/16 7:35, Haozhong Zhang wrote:
> This patch adds a new flag MC_MSRINJ_F_GPADDR to
> xen_mc_msrinject.mcinj_flags, and makes do_mca() to translate the
> guest physical address passed-in through
> xen_mc_msrinject.mcinj_msr[i].value to the host machine address if
> this flag is present.
>
On 2015/09/16 7:35, Haozhong Zhang wrote:
> This patch removes the address translation in xen-mceinj which
> translates the guest physical address passed-in through the argument of
> '-p' to the host machine address. Instead, xen-mceinj now passes a flag
> MC_MSRINJ_F_GPADDR to ask do_mca() in the
On 2015/09/15 12:28, Haozhong Zhang wrote:
> On Tue, Sep 15, 2015 at 12:17:01PM +0200, Egger, Christoph wrote:
>> On 2015/09/15 10:29, Haozhong Zhang wrote:
>>> This patch removes the address translation in xen-mceinj which
>>> translates the guest physical address pas
On 2015/09/15 10:29, Haozhong Zhang wrote:
> This patch removes the address translation in xen-mceinj which
> translates the guest physical address passed-in through the argument
> of '-p' to the host machine address.
>
> Signed-off-by: Haozhong Zhang
Comments inline.
> ---
> tools/tests/mce-t
On 2015/09/15 12:02, Wei Liu wrote:
> I don't know this piece of code so my comments might be stupid.
>
> On Tue, Sep 15, 2015 at 04:29:40PM +0800, Haozhong Zhang wrote:
>> This patch removes the address translation in xen-mceinj which
>> translates the guest physical address passed-in through the
On 2015/09/15 10:29, Haozhong Zhang wrote:
> This patch adds a new flag MC_MSRINJ_F_GPADDR to
> xen_mc_msrinject.mcinj_flags, and makes do_mca() to translate the
> guest physical address passed-in through
> xen_mc_msrinject.mcinj_msr[i].value to the host machine address if
> this flag is present.
>
On 2015/09/15 10:29, Haozhong Zhang wrote:
> Remove trailing spaces in xen-mceinj.c.
>
> Signed-off-by: Haozhong Zhang
Acked-by: Christoph Egger
> ---
> tools/tests/mce-test/tools/xen-mceinj.c | 16
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/tools/tes
On 2015/09/15 10:29, Haozhong Zhang wrote:
> Remove trailing spaces and fix indentations in mce.c and xen-mca.h.
>
> Signed-off-by: Haozhong Zhang
Acked-by: Christoph Egger
> ---
> xen/arch/x86/cpu/mcheck/mce.c | 10 +-
> xen/include/public/arch-x86/xen-mca.h | 28
On 2015/01/13 21:45, Andrew Cooper wrote:
> On 13/01/15 20:02, Ed White wrote:
>> On 01/13/2015 11:01 AM, Andrew Cooper wrote:
>>
>>> I can't think of any reasonable case where the alternate p2m would want
>>> mappings different to the host p2m. That is to say, an altp2m will map
>>> the same set
On 2015/01/19 18:32, Ian Campbell wrote:
> On Mon, 2015-01-05 at 21:18 -0500, Boris Ostrovsky wrote:
>
>> tools/libxl/libxl_freebsd.c | 12 +++
>> tools/libxl/libxl_netbsd.c| 12 +++
>
> These are stubs, CCing some relevant folks to see if they would like to
> provide an impleme
On 2015/01/12 16:09, Jan Beulich wrote:
On 09.01.15 at 16:12, wrote:
>> @@ -899,26 +899,27 @@ __gnttab_unmap_common(
>>
>> op->frame = (unsigned long)(op->dev_bus_addr >> PAGE_SHIFT);
>>
>> +read_lock(&lgt->lock);
>> if ( unlikely(op->handle >= lgt->maptrack_limit) )
>>
On 2015/01/12 9:44, Jan Beulich wrote:
> We've had reports of systems where CMCIs would surface at a relatively
> high rate during certain periods of time, without them apparently
> causing subsequent more severe problems (see Xeon E7-8800/4800/2800
> specification clarification SC1). Give the admi
On 2015/01/09 15:10, Jan Beulich wrote:
On 09.01.15 at 14:05, wrote:
>> On 2014/12/18 12:37, Jan Beulich wrote:
>> On 03.12.14 at 15:29, wrote:
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
>> [...]
@@ -944,6 +944,7 @@ __gnttab_unmap_common(
}
>>>
On 2014/12/18 12:37, Jan Beulich wrote:
On 03.12.14 at 15:29, wrote:
>> --- a/xen/common/grant_table.c
>> +++ b/xen/common/grant_table.c
[...]
>> @@ -944,6 +944,7 @@ __gnttab_unmap_common(
>> }
>>
>> op->rd = rd;
>> +read_lock(&rgt->lock);
>> act = &active_entry(rgt, op->
On 2014/12/02 14:08, Julien Grall wrote:
> Hi,
>
> On 02/12/14 13:03, Egger, Christoph wrote:
>> On 2014/12/02 13:35, Julien Grall wrote:
>>> Hi Christoph,
>>>
>>> On 02/12/14 10:06, Christoph Egger wrote:
>>>> diff --git a/xen/arch/x86/mm.c
On 2014/12/02 13:35, Julien Grall wrote:
> Hi Christoph,
>
> On 02/12/14 10:06, Christoph Egger wrote:
>> diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
>> index 522c43d..37c13b1 100644
>> --- a/xen/arch/x86/mm.c
>> +++ b/xen/arch/x86/mm.c
>> @@ -4565,7 +4565,7 @@ int xenmem_add_to_physmap_one
On 2014/12/02 12:00, Andrew Cooper wrote:
> On 02/12/14 10:06, Christoph Egger wrote:
>> This patch series changes the grant table locking to
>> a more fain grained locking protocol. The result is
>> a performance boost measured with blkfront/blkback.
>> Document the locking protocol.
>>
>> [PATCH
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