Who uses kexec preserve context logic

Zhang Yanfei zhangyanfei at cn.fujitsu.com
Mon May 27 02:51:39 EDT 2013

On 10/23/2012 02:55 AM, Vivek Goyal wrote:
> Hi,
> I am just curious to know if somebody uses kexec preserve context path. I 
> have never used it personally and I don't know anybody who makes use of it.
> Is it an unused code and should it be ripped out?

Hi Vivek,

Related commit is:

3ab83521378268044a448113c6aa9a9e245f4d2f kexec jump

>From the commit, we can see its purpose is:

"The features of this patch can be used as a general method to call program in
physical mode (paging turning off).  This can be used to call BIOS code under

Maybe someone from Intel still uses this...

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