From: Dave Young <dyoung@redhat.com>
To: Pratyush Anand <panand@redhat.com>
Cc: ats-kumagai@wm.jp.nec.com, louis.bouchard@canonical.com,
kexec@lists.infradead.org, cpw@sgi.com, bhe@redhat.com
Subject: Re: [Makedumpfile PATCH V2 0/4] x86_64: Fix page_offset for randomized base enabled
Date: Tue, 1 Nov 2016 13:34:11 +0800 [thread overview]
Message-ID: <20161101053411.GA4952@dhcp-128-65.nay.redhat.com> (raw)
In-Reply-To: <cover.1477901442.git.panand@redhat.com>
Pratyush, the patches works for me, thanks~
On 10/31/16 at 01:47pm, Pratyush Anand wrote:
> Patch 1/4 fixes page_offset calculation, so that it is correctly calculated
> on KASLR enabled kernel as well.
> Patch 2/4 simplifies VA to PA translation. New code has been benchmarked
> against old code on a 4T system.
> Patch 3/4 and 4/4 is removal of (now) unnecessary code.
>
> I think, we should find a way to kill find_vememmap() as well, so that
> VMEMMAP_START can be removed. I have very limited idea about x86, so unable
> to do that as of now.
It was introduced in below commit, ccing Cliff Wickman, see if he has
thoughts.
commit 46176a97f329904c10d4efe5582594d55a04339c
Author: Cliff Wickman <cpw@sgi.com>
Date: Mon Oct 26 23:20:18 2015 +0900
>
> Changes since V1:
> * A bug in patch 1/4 fixed
> * Patch log of 2/4 improved to include more number of trials
>
> Pratyush Anand (4):
> x86_64: Calculate page_offset from pt_load
> x86_64: translate all VA to PA using page table values
> x86_64: kill is_vmalloc_addr_x86_64()
> x86_64: kill some unused initialization
>
> arch/x86_64.c | 84 ++++++++++++++++++++--------------------------------------
> makedumpfile.h | 9 +++----
> 2 files changed, 32 insertions(+), 61 deletions(-)
>
> --
> 2.7.4
>
>
> _______________________________________________
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> kexec@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec
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next prev parent reply other threads:[~2016-11-01 5:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-31 8:17 [Makedumpfile PATCH V2 0/4] x86_64: Fix page_offset for randomized base enabled Pratyush Anand
2016-10-31 8:17 ` [Makedumpfile PATCH V2 1/4] x86_64: Calculate page_offset from pt_load Pratyush Anand
2016-10-31 8:17 ` [Makedumpfile PATCH V2 2/4] x86_64: translate all VA to PA using page table values Pratyush Anand
2016-12-09 7:35 ` Atsushi Kumagai
2016-12-09 10:10 ` Pratyush Anand
2016-12-09 14:25 ` bhe
2016-12-10 1:29 ` bhe
2016-12-10 1:33 ` bhe
2016-12-10 6:20 ` Pratyush Anand
2016-12-12 8:40 ` Atsushi Kumagai
2016-12-12 9:50 ` bhe
2016-12-13 7:03 ` Atsushi Kumagai
2016-10-31 8:17 ` [Makedumpfile PATCH V2 3/4] x86_64: kill is_vmalloc_addr_x86_64() Pratyush Anand
2016-10-31 8:17 ` [Makedumpfile PATCH V2 4/4] x86_64: kill some unused initialization Pratyush Anand
2016-11-01 5:34 ` Dave Young [this message]
2016-11-04 10:35 ` [Makedumpfile PATCH V2 0/4] x86_64: Fix page_offset for randomized base enabled Atsushi Kumagai
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