Re: [PATCH v1] kexec/arch/i386: Add support for KASLR memory randomization

2016-09-29 Thread Simon Horman
On Tue, Sep 13, 2016 at 03:10:05PM +0800, Baoquan He wrote: > From: Thomas Garnier > > Multiple changes were made on KASLR (right now in linux-next). One of > them is randomizing the virtual address of the physical mapping, vmalloc > and vmemmap memory sections. It breaks

Re: [PATCH v1] kexec/arch/i386: Add support for KASLR memory randomization

2016-09-23 Thread Thomas Garnier
On Thu, Sep 22, 2016 at 1:41 AM, Dave Young wrote: > Hi, Thomas > > On 08/17/16 at 09:47am, Thomas Garnier wrote: >> Multiple changes were made on KASLR (right now in linux-next). One of >> them is randomizing the virtual address of the physical mapping, vmalloc >> and vmemmap

Re: [PATCH v1] kexec/arch/i386: Add support for KASLR memory randomization

2016-09-22 Thread Dave Young
Hi, Thomas On 08/17/16 at 09:47am, Thomas Garnier wrote: > Multiple changes were made on KASLR (right now in linux-next). One of > them is randomizing the virtual address of the physical mapping, vmalloc > and vmemmap memory sections. It breaks kdump ability to read physical > memory. What is

Re: [PATCH v1] kexec/arch/i386: Add support for KASLR memory randomization

2016-08-23 Thread Thomas Garnier
On Wed, Aug 17, 2016 at 9:59 PM, Baoquan He wrote: > On 08/17/16 at 09:47am, Thomas Garnier wrote: >> Multiple changes were made on KASLR (right now in linux-next). One of >> them is randomizing the virtual address of the physical mapping, vmalloc >> and vmemmap memory sections.

Re: [PATCH v1] kexec/arch/i386: Add support for KASLR memory randomization

2016-08-17 Thread Baoquan He
On 08/17/16 at 09:47am, Thomas Garnier wrote: > Multiple changes were made on KASLR (right now in linux-next). One of > them is randomizing the virtual address of the physical mapping, vmalloc > and vmemmap memory sections. It breaks kdump ability to read physical > memory. > > This change