From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Julien Grall <julien.grall@arm.com>
Cc: xen-devel@lists.xenproject.org, sstabellini@kernel.org,
ross.lagerwall@citrix.com, andrew.cooper3@citrix.com
Subject: Re: [PATCH v3] Livepatch for ARM 64 and 32.
Date: Fri, 16 Sep 2016 10:35:05 -0400 [thread overview]
Message-ID: <20160916143505.GA7391@char.us.oracle.com> (raw)
In-Reply-To: <ebc9d69b-eaa5-fe85-4d11-2663c3f34520@arm.com>
On Fri, Sep 16, 2016 at 03:45:12PM +0200, Julien Grall wrote:
>
>
> On 16/09/2016 15:41, Konrad Rzeszutek Wilk wrote:
> > On Fri, Sep 16, 2016 at 03:35:21PM +0200, Julien Grall wrote:
> > > Hi Konrad,
> > >
> > > On 11/09/2016 22:35, Konrad Rzeszutek Wilk wrote:
> > > > v2: [http://www.gossamer-threads.com/lists/xen/devel/444461?page=last]
> > > > - Addressed the two outstanding concerns: CPU bit feature to test alternative
> > > > test-case, and errata #843419 on some Cortex-A53
> > >
> > > I am a bit confused. I haven't spotted any specific code for this. How did
> > > you handle it?
> >
> > livepatch: x86, ARM, alternative: Expose FEATURE_LIVEPATCH
>
> AFAICT, this only handles this first part (CPU bit feature) not the errata
> #843419. Did I miss anything?
My recollection is (from
Date: Wed, 31 Aug 2016 15:49:55 +0100
From: Julien Grall <julien.grall@arm.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, xen-devel@lists.xenproject.org, konrad@kernel.org, ross.lagerwall@citrix.com,
sstabellini@kernel.org, Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH v2] Livepatch for ARM 64 and 32.
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0
"
"> - #13 "livepatch: Initial ARM64 support."
> Need to look in erratum #843419 on some Cortex-A53 and figuring
> out how to avoid payloads having R_AARCH64_ADR_PREL_PG_HI21 relocations.
I will not considered this has a blocker for this series. Having livepatching
on all the other boards for Xen 4.8 would still be awesome :).
"
So I moved it off to 4.9 list.
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next prev parent reply other threads:[~2016-09-16 14:35 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-11 20:35 [PATCH v3] Livepatch for ARM 64 and 32 Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 01/18] arm/x86: Add HAS_[ALTERNATIVE|EX_TABLE] Konrad Rzeszutek Wilk
2016-09-12 15:28 ` Jan Beulich
2016-09-12 15:31 ` Julien Grall
2016-09-13 16:58 ` Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 02/18] livepatch: Reject payloads with .alternative or .ex_table if support is not built-in Konrad Rzeszutek Wilk
2016-09-16 12:50 ` Julien Grall
2016-09-11 20:35 ` [PATCH v3 03/18] arm/x86: change [modify, destroy]_xen_mappings to return error Konrad Rzeszutek Wilk
2016-09-16 13:06 ` Julien Grall
2016-09-11 20:35 ` [PATCH v3 04/18] arm/mm: Introduce modify_xen_mappings Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 05/18] arm: poison initmem when it is freed Konrad Rzeszutek Wilk
2016-09-16 13:31 ` Julien Grall
2016-09-11 20:35 ` [PATCH v3 06/18] livepatch: Initial ARM64 support Konrad Rzeszutek Wilk
2016-09-12 7:45 ` Jan Beulich
2016-09-11 20:35 ` [PATCH v3 07/18] livepatch: ARM/x86: Check displacement of old_addr and new_addr Konrad Rzeszutek Wilk
2016-09-12 15:36 ` Jan Beulich
2016-09-11 20:35 ` [PATCH v3 08/18] livepatch: ARM 32|64: Ignore mapping symbols: $[d, a, x] Konrad Rzeszutek Wilk
2016-09-12 15:52 ` Jan Beulich
2016-09-11 20:35 ` [PATCH v3 09/18] livepatch/arm/x86: Check payload for for unwelcomed symbols Konrad Rzeszutek Wilk
2016-09-12 15:55 ` Jan Beulich
2016-09-11 20:35 ` [PATCH v3 10/18] livepatch: Move test-cases to their own sub-directory in test Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 11/18] livepatch: tests: Move the .name value to .rodata Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 12/18] livepatch: tests: Make them compile under ARM64 Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 13/18] livepatch: x86, ARM, alternative: Expose FEATURE_LIVEPATCH Konrad Rzeszutek Wilk
2016-09-13 9:14 ` Jan Beulich
2016-09-11 20:35 ` [PATCH v3 14/18] xen/arm32: Add an helper to invalidate all instruction caches Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 15/18] bug/x86/arm: Align bug_frames sections Konrad Rzeszutek Wilk
2016-09-13 9:21 ` Jan Beulich
2016-09-13 19:26 ` Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 16/18] livepatch: ARM32 support Konrad Rzeszutek Wilk
2016-09-12 7:48 ` Jan Beulich
2016-09-11 20:35 ` [PATCH v3 17/18] livepatch, arm[32|64]: Share arch_livepatch_revert_jmp Konrad Rzeszutek Wilk
2016-09-11 20:35 ` [PATCH v3 18/18] livepatch: arm[32, 64], x86: NOP test-case Konrad Rzeszutek Wilk
2016-09-16 13:35 ` [PATCH v3] Livepatch for ARM 64 and 32 Julien Grall
2016-09-16 13:41 ` Konrad Rzeszutek Wilk
2016-09-16 13:45 ` Julien Grall
2016-09-16 14:35 ` Konrad Rzeszutek Wilk [this message]
2016-09-16 14:43 ` Julien Grall
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