On 03/29/19 at 06:00pm, Pingfan Liu wrote:
> On Fri, Mar 29, 2019 at 3:34 PM Baoquan He wrote:
> >
> > On 03/29/19 at 03:25pm, Pingfan Liu wrote:
> > > On Fri, Mar 29, 2019 at 2:27 PM Baoquan He wrote:
> > > >
> > > > On 03/29/19 at 01:45pm, Pingfan Liu wrote:
> > > > > On Fri, Mar 22, 2019 at
On Fri, Mar 29, 2019 at 3:34 PM Baoquan He wrote:
>
> On 03/29/19 at 03:25pm, Pingfan Liu wrote:
> > On Fri, Mar 29, 2019 at 2:27 PM Baoquan He wrote:
> > >
> > > On 03/29/19 at 01:45pm, Pingfan Liu wrote:
> > > > On Fri, Mar 22, 2019 at 4:34 PM Baoquan He wrote:
> > > > >
> > > > > On 03/22/19
On 03/29/19 at 03:25pm, Pingfan Liu wrote:
> On Fri, Mar 29, 2019 at 2:27 PM Baoquan He wrote:
> >
> > On 03/29/19 at 01:45pm, Pingfan Liu wrote:
> > > On Fri, Mar 22, 2019 at 4:34 PM Baoquan He wrote:
> > > >
> > > > On 03/22/19 at 03:52pm, Baoquan He wrote:
> > > > > On 03/22/19 at 03:43pm,
On Fri, Mar 29, 2019 at 2:27 PM Baoquan He wrote:
>
> On 03/29/19 at 01:45pm, Pingfan Liu wrote:
> > On Fri, Mar 22, 2019 at 4:34 PM Baoquan He wrote:
> > >
> > > On 03/22/19 at 03:52pm, Baoquan He wrote:
> > > > On 03/22/19 at 03:43pm, Pingfan Liu wrote:
> > > > > > > +/* parse crashkernel=x@y
On 03/29/19 at 01:45pm, Pingfan Liu wrote:
> On Fri, Mar 22, 2019 at 4:34 PM Baoquan He wrote:
> >
> > On 03/22/19 at 03:52pm, Baoquan He wrote:
> > > On 03/22/19 at 03:43pm, Pingfan Liu wrote:
> > > > > > +/* parse crashkernel=x@y option */
> > > > > > +static void
On Fri, Mar 22, 2019 at 4:34 PM Baoquan He wrote:
>
> On 03/22/19 at 03:52pm, Baoquan He wrote:
> > On 03/22/19 at 03:43pm, Pingfan Liu wrote:
> > > > > +/* parse crashkernel=x@y option */
> > > > > +static void mem_avoid_crashkernel_simple(char *option)
> > > >
> > > > Chao ever mentioned this,
On Fri, Mar 22, 2019 at 4:34 PM Baoquan He wrote:
>
> On 03/22/19 at 03:52pm, Baoquan He wrote:
> > On 03/22/19 at 03:43pm, Pingfan Liu wrote:
> > > > > +/* parse crashkernel=x@y option */
> > > > > +static void mem_avoid_crashkernel_simple(char *option)
> > > >
> > > > Chao ever mentioned this,
On 03/22/19 at 03:52pm, Baoquan He wrote:
> On 03/22/19 at 03:43pm, Pingfan Liu wrote:
> > > > +/* parse crashkernel=x@y option */
> > > > +static void mem_avoid_crashkernel_simple(char *option)
> > >
> > > Chao ever mentioned this, I want to ask again, why does it has to be
> > > xxx_simple()?
>
On 03/22/19 at 03:43pm, Pingfan Liu wrote:
> > > +/* parse crashkernel=x@y option */
> > > +static void mem_avoid_crashkernel_simple(char *option)
> >
> > Chao ever mentioned this, I want to ask again, why does it has to be
> > xxx_simple()?
> >
> Seems that I had replied Chao's question in
On Thu, Mar 21, 2019 at 2:38 PM Chao Fan wrote:
>
> On Wed, Mar 13, 2019 at 12:19:31PM +0800, Pingfan Liu wrote:
>
> I tested it in Qemu test with 12G memory, and set crashkernel=6G@6G.
> Without this PATCH, it successed to reserve memory just 4 times(total
> 10 times).
> With this PATCH, it
On Wed, Mar 20, 2019 at 8:25 AM Baoquan He wrote:
>
> Please change subject as:
>
> "x86/boot/KASLR: skip the specified crashkernel region"
>
OK.
> Don't see why reserved is needed here.
>
> On 03/13/19 at 12:19pm, Pingfan Liu wrote:
> > crashkernel=x@y option may fail to reserve the required
On Wed, Mar 13, 2019 at 12:19:31PM +0800, Pingfan Liu wrote:
I tested it in Qemu test with 12G memory, and set crashkernel=6G@6G.
Without this PATCH, it successed to reserve memory just 4 times(total
10 times).
With this PATCH, it successed to reserve memory 15 times(total 15
times).
So I think
On Wed, Mar 13, 2019 at 12:19:31PM +0800, Pingfan Liu wrote:
Hi Pingfan,
I wonder your test method and test case.
Do you test it in the Qemu guest or real machine.
Thanks,
Chao Fan
>crashkernel=x@y option may fail to reserve the required memory region if
>KASLR puts kernel into the region. To
Please change subject as:
"x86/boot/KASLR: skip the specified crashkernel region"
Don't see why reserved is needed here.
On 03/13/19 at 12:19pm, Pingfan Liu wrote:
> crashkernel=x@y option may fail to reserve the required memory region if
> KASLR puts kernel into the region. To avoid this
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