On 11/19/18 at 11:16am, David Hildenbrand wrote:
> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> index 933cb3e45b98..093c9f917ed0 100644
> --- a/kernel/crash_core.c
> +++ b/kernel/crash_core.c
> @@ -464,6 +464,8 @@ static int __init crash_save_vmcoreinfo_init(void)
> VMCOREINFO_NUM
On 07/26/18 at 04:01pm, Michal Hocko wrote:
> On Thu 26-07-18 21:37:05, Baoquan He wrote:
> > On 07/26/18 at 03:14pm, Michal Hocko wrote:
> > > On Thu 26-07-18 15:12:42, Michal Hocko wrote:
> > > > On Thu 26-07-18 21:09:04, Baoquan He wrote:
> > > > &g
On 07/26/18 at 03:14pm, Michal Hocko wrote:
> On Thu 26-07-18 15:12:42, Michal Hocko wrote:
> > On Thu 26-07-18 21:09:04, Baoquan He wrote:
> > > On 07/26/18 at 02:59pm, Michal Hocko wrote:
> > > > On Wed 25-07-18 14:48:13, Baoquan He wrote:
> > > > &g
On 07/26/18 at 02:59pm, Michal Hocko wrote:
> On Wed 25-07-18 14:48:13, Baoquan He wrote:
> > On 07/23/18 at 04:34pm, Michal Hocko wrote:
> > > On Thu 19-07-18 23:17:53, Baoquan He wrote:
> > > > Kexec has been a formal feature in our distro, and customers owning
&g
On 07/23/18 at 04:34pm, Michal Hocko wrote:
> On Thu 19-07-18 23:17:53, Baoquan He wrote:
> > Kexec has been a formal feature in our distro, and customers owning
> > those kind of very large machine can make use of this feature to speed
> > up the reboot process. On uefi ma
Hi Andrew,
On 07/19/18 at 12:44pm, Andrew Morton wrote:
> On Thu, 19 Jul 2018 23:17:53 +0800 Baoquan He wrote:
> > > As far as I can tell, the above is the whole reason for the patchset,
> > > yes? To avoid confusing users.
> >
> >
> > In fact, it
On 07/18/18 at 07:37pm, Andy Shevchenko wrote:
> On Wed, Jul 18, 2018 at 7:36 PM, Andy Shevchenko
> wrote:
> > On Wed, Jul 18, 2018 at 5:49 AM, Baoquan He wrote:
> >> reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
> >> and arch/powerpc/kern
Hi Andrew,
On 07/18/18 at 03:33pm, Andrew Morton wrote:
> On Wed, 18 Jul 2018 10:49:44 +0800 Baoquan He wrote:
>
> > For kexec_file loading, if kexec_buf.top_down is 'true', the memory which
> > is used to load kernel/initrd/purgatory is supposed to be allocated f
op to down to load kernel.
Signed-off-by: Baoquan He
Cc: Eric Biederman
Cc: Vivek Goyal
Cc: Dave Young
Cc: Andrew Morton
Cc: Yinghai Lu
Cc: ke...@lists.infradead.org
---
kernel/kexec_file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index c
_file code.
Signed-off-by: Baoquan He
Cc: Andrew Morton
Cc: Thomas Gleixner
Cc: Brijesh Singh
Cc: "Jérôme Glisse"
Cc: Borislav Petkov
Cc: Tom Lendacky
Cc: Wei Yang
---
include/linux/ioport.h | 3 +++
kernel/resource.c | 40
2 files ch
type of member variables of struct resource, sibling and child, are
changed from 'struct resource *' to 'struct list_head'. This brings two
pointers of size increase.
Suggested-by: Andrew Morton
Signed-off-by: Baoquan He
Cc: Patrik Jakobsson
Cc: David Airlie
Cc: "K. Y.
reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
so that it's shared.
Reviewed-by: Andy Shevchenko
Signed-off-by: Baoquan He
Cc: Michal Simek
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Mi
>v2:
Use list_head instead to link resource siblings. This is suggested by
Andrew.
Rewrite walk_system_ram_res_rev() after list_head is taken to link
resouce siblings.
Baoquan He (4):
resource: Move reparent_resources() to kernel/resource.c and make it
public
resource: Use li
On 07/10/18 at 08:59am, Ye Xiaolong wrote:
> Hi,
>
> On 07/08, Baoquan He wrote:
> >Hi,
> >
> >On 07/05/18 at 01:00am, kbuild test robot wrote:
> >> Hi Baoquan,
> >>
> >> I love your patch! Yet something to improve:
> >>
> >
On 07/08/18 at 08:48pm, Andy Shevchenko wrote:
> On Sun, Jul 8, 2018 at 5:59 AM, Baoquan He wrote:
> > On 07/05/18 at 01:00am, kbuild test robot wrote:
>
> > However, I didn't find below branch. And tried to open it in web
> > broswer, also failed.
>
&
ase drop us a note to
> help improve the system]
Thanks for telling.
I cloned 0day-ci/linut to my local pc.
https://github.com/0day-ci/linux.git
However, I didn't find below branch. And tried to open it in web
broswer, also failed.
> url:
> https://github.com/0day-ci/linux/commit
On 07/04/18 at 07:46pm, Andy Shevchenko wrote:
> On Wed, Jul 4, 2018 at 7:10 AM, Baoquan He wrote:
> > reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
> > and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
> > so that it's s
On 07/03/18 at 11:57pm, Andy Shevchenko wrote:
> On Tue, Jul 3, 2018 at 5:55 PM, Baoquan He wrote:
> > On 06/12/18 at 05:24pm, Andy Shevchenko wrote:
> >> On Tue, Jun 12, 2018 at 5:20 PM, Andy Shevchenko
> >> wrote:
>
> >> > I briefly looked at the cod
_file code.
Signed-off-by: Baoquan He
Cc: Andrew Morton
Cc: Thomas Gleixner
Cc: Brijesh Singh
Cc: "Jérôme Glisse"
Cc: Borislav Petkov
Cc: Tom Lendacky
Cc: Wei Yang
---
include/linux/ioport.h | 3 +++
kernel/resource.c | 40
2 files ch
op to down to load kernel.
Signed-off-by: Baoquan He
Cc: Eric Biederman
Cc: Vivek Goyal
Cc: Dave Young
Cc: Andrew Morton
Cc: Yinghai Lu
Cc: ke...@lists.infradead.org
---
kernel/kexec_file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index c
reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
so that it's shared.
Signed-off-by: Baoquan He
---
arch/microblaze/pci/pci-common.c | 37 -
arch/powerpc/kerne
type of member variables of struct resource, sibling and child, are
changed from 'struct resource *' to 'struct list_head'. This brings two
pointers of size increase.
Suggested-by: Andrew Morton
Signed-off-by: Baoquan He
Cc: Patrik Jakobsson
Cc: David Airlie
Cc: "K. Y.
ter list_head is taken to link
resouce siblings.
Baoquan He (4):
resource: Move reparent_resources() to kernel/resource.c and make it
public
resource: Use list_head to link sibling resource
resource: add walk_system_ram_res_rev()
kexec_file: Load kernel at top of system RAM if req
Hi Andy,
On 06/12/18 at 05:24pm, Andy Shevchenko wrote:
> On Tue, Jun 12, 2018 at 5:20 PM, Andy Shevchenko
> wrote:
> >> Hmm, I just copied it from arch/powerpc/kernel/pci-common.c. The
> >> function interface expects an integer returned value, not sure what a
> >> real error codes look like, cou
On 06/12/18 at 05:10pm, Julia Lawall wrote:
> This looks wrong. After a list iterator, the index variable points to a
> dummy structure.
>
> julia
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180612-1
On 06/12/18 at 11:29am, Andy Shevchenko wrote:
> On Tue, Jun 12, 2018 at 6:28 AM, Baoquan He wrote:
> > reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
> > and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
> > so that it's s
On 06/12/18 at 11:29am, Andy Shevchenko wrote:
> On Tue, Jun 12, 2018 at 6:28 AM, Baoquan He wrote:
> > reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
> > and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
> > so that it's s
On 06/12/18 at 11:28am, Baoquan He wrote:
> reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
> and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
> so that it's shared. Later its code also need be updated using list_head
> to replace s
_file code.
Signed-off-by: Baoquan He
Cc: Andrew Morton
Cc: Thomas Gleixner
Cc: Brijesh Singh
Cc: "Jérôme Glisse"
Cc: Borislav Petkov
Cc: Tom Lendacky
Cc: Wei Yang
---
include/linux/ioport.h | 3 +++
kernel/resource.c | 40
2 files ch
op to down to load kernel.
Signed-off-by: Baoquan He
Cc: Eric Biederman
Cc: Vivek Goyal
Cc: Dave Young
Cc: Andrew Morton
Cc: Yinghai Lu
Cc: ke...@lists.infradead.org
---
kernel/kexec_file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 7
reparent_resources() is duplicated in arch/microblaze/pci/pci-common.c
and arch/powerpc/kernel/pci-common.c, so move it to kernel/resource.c
so that it's shared. Later its code also need be updated using list_head
to replace singly linked list.
Signed-off-by: Baoquan He
Cc: Michal Sime
type of member variables of struct resource, sibling and child, are
changed from 'struct resource *' to 'struct list_head'. This brings two
pointers of size increase.
Suggested-by: Andrew Morton
Signed-off-by: Baoquan He
Cc: Patrik Jakobsson
Cc: David Airlie
Cc: "K. Y.
resource siblings. This is suggested by
Andrew.
Rewrite walk_system_ram_res_rev() after list_head is taken to link
resouce siblings.
Baoquan He (4):
resource: Move reparent_resources() to kernel/resource.c and make it
public
resource: Use list_head to link sibling resource
us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180507-144345
> config: powerpc-defconfig (attached as .config)
> compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2
us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180507-144345
> config: arm-allmodconfig (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2
On 05/08/18 at 08:48pm, Wei Yang wrote:
> On Mon, May 07, 2018 at 09:14:29AM +0800, Baoquan He wrote:
> >Hi Wei Yang,
> >
> >On 04/26/18 at 09:18am, Wei Yang wrote:
> >> On Thu, Apr 19, 2018 at 08:18:46AM +0800, Baoquan He wrote:
> >> >The struct resourc
_file code.
Signed-off-by: Baoquan He
Cc: Andrew Morton
Cc: Thomas Gleixner
Cc: Brijesh Singh
Cc: "Jérôme Glisse"
Cc: Borislav Petkov
Cc: Tom Lendacky
Cc: Wei Yang
---
include/linux/ioport.h | 3 +++
kernel/resource.c | 40
2 files ch
op to down to load kernel.
Signed-off-by: Baoquan He
Cc: Eric Biederman
Cc: Vivek Goyal
Cc: Dave Young
Cc: Andrew Morton
Cc: Yinghai Lu
Cc: ke...@lists.infradead.org
---
kernel/kexec_file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 7
type of member variables of struct resource, sibling and child, are
changed from 'struct resource *' to 'struct list_head'. This brings two
pointers of size increase.
Suggested-by: Andrew Morton
Signed-off-by: Baoquan He
Cc: Patrik Jakobsson
Cc: David Airlie
Cc: "K. Y.
ngs. This is suggested by
Andrew.
Rewrite walk_system_ram_res_rev() after list_head is taken to link
resouce siblings.
Baoquan He (3):
resource: Use list_head to link sibling resource
resource: add walk_system_ram_res_rev()
kexec_file: Load kernel at top of system RAM if required
Hi Wei Yang,
On 04/26/18 at 09:18am, Wei Yang wrote:
> On Thu, Apr 19, 2018 at 08:18:46AM +0800, Baoquan He wrote:
> >The struct resource uses singly linked list to link siblings. It's not
> >easy to do reverse iteration on sibling list. So replace it with list_head.
us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180419-223752
> config: microblaze-mmu_defconfig (attached as .config)
> compiler: microblaze-linux-gcc (GCC) 7.2
us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180419-223752
> config: xtensa-common_defconfig (attached as .config)
> compiler: xtensa-linux-gcc (GCC) 7.2
truct resource, sibling and child, are
changed from 'struct resource *' to 'struct list_head'. This brings two
pointers of size increase.
Suggested-by: Andrew Morton
Signed-off-by: Baoquan He
Cc: Patrik Jakobsson
Cc: David Airlie
Cc: "K. Y. Srinivasan"
Cc: Haiyang Zhang
Hi Rob,
Thanks a lot for looking into this and involve Nico to this thread!
On 04/09/18 at 09:49am, Rob Herring wrote:
> +Nico who has been working on tinification of the kernel.
>
> On Mon, Apr 9, 2018 at 4:08 AM, Baoquan He wrote:
> > The struct resource uses singly link
On 04/09/18 at 07:34pm, Dan Williams wrote:
> On Mon, Apr 9, 2018 at 7:10 PM, Baoquan He wrote:
> > On 04/09/18 at 08:38am, Dan Williams wrote:
> >> On Mon, Apr 9, 2018 at 2:08 AM, Baoquan He wrote:
> >> > The struct resource uses singly linked list to link siblin
On 04/09/18 at 08:38am, Dan Williams wrote:
> On Mon, Apr 9, 2018 at 2:08 AM, Baoquan He wrote:
> > The struct resource uses singly linked list to link siblings. It's not
> > easy to do reverse iteration on sibling list. So replace it with list_head.
> >
> > And
ource, sibling and child, are
changed from 'struct resource *' to 'struct list_head'. Kernel size will
increase because of those statically defined struct resource instances.
Signed-off-by: Baoquan He
---
v2->v3:
Make sibling() and first_child() global so that they can be calle
te to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180408-110108
> config: sparc-defconfig (attached as .config)
> compiler: sparc-linux-gcc (GCC) 7.2.0
> reproduce:
>
tree, please drop us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180408-110108
> config: parisc-c3000_defconfig (attached as .config)
> compiler: hppa-linux-gnu-
The struct resource uses singly linked list to link siblings. It's not
easy to do reverse iteration on sibling list. So replace it with list_head.
And this makes codes in kernel/resource.c more readable after refactoring
than pointer operation.
Suggested-by: Andrew Morton
Signed-off-by: Ba
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