[PATCH v21 7/8] arm64: kdump: update a kernel doc

AKASHI Takahiro takahiro.akashi at linaro.org
Wed Jul 6 17:51:48 PDT 2016


On Wed, Jul 06, 2016 at 10:44:27AM -0700, Geoff Levand wrote:
> On Wed, 2016-07-06 at 16:52 +0900, AKASHI Takahiro wrote:
> > --- a/Documentation/kdump/kdump.txt
> > +++ b/Documentation/kdump/kdump.txt
> > @@ -18,7 +18,7 @@ memory image to a dump file on the local disk, or across the network to
> >  a remote system.
> >  
> >  Kdump and kexec are currently supported on the x86, x86_64, ppc64, ia64,
> > -s390x and arm architectures.
> > +s390x, arm and arm64 architectures.
> >  
> >  When the system kernel boots, it reserves a small section of memory for
> >  the dump-capture kernel. This ensures that ongoing Direct Memory Access
> > @@ -249,6 +249,13 @@ Dump-capture kernel config options (Arch Dependent, arm)
> >  
> >      AUTO_ZRELADDR=y
> >  
> > +Dump-capture kernel config options (Arch Dependent, arm64)
> > +----------------------------------------------------------
> > +
> > +- Please note that kvm at the dump-capture kernel will not be enabled
> 
> kvm of the dump-capture kernel
> 
> > +  on non-VHE system even if it is configured. This is because we have
> 
> on non-VHE systems
> 
> > +  no chance to reset CPU state to EL2 on panic.
> 
> This is because the CPU state cannot be reset to EL2 on panic.

Thanks :)
-Takahiro AKASHI

> 
> 



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