On Tue, Jul 26, 2016 at 05:02:06PM +0900, AKASHI Takahiro wrote:
> From: James Morse
>
> Add documentation for
> linux,crashkernel-base and crashkernel-size,
> linux,usable-memory-range, and
> linux,elfcorehdr
> used by arm64 kexec/kdump to decribe the kdump reserved area, and
>
On Tue, Aug 09, 2016 at 10:57:47AM +0900, AKASHI Takahiro wrote:
> From: James Morse
>
> Add documentation for
> linux,crashkernel-base and crashkernel-size,
> linux,usable-memory-range, and
> linux,elfcorehdr
> used by arm64 kexec/kdump to decribe the kdump reserved area, and
>
On Sun, Aug 21, 2016 at 11:28 PM, AKASHI Takahiro
wrote:
> Rob,
> [Cc: Mark]
>
> On Fri, Aug 19, 2016 at 08:26:41AM -0500, Rob Herring wrote:
>> On Tue, Aug 09, 2016 at 10:57:47AM +0900, AKASHI Takahiro wrote:
>> > From: James Morse
>> >
>> > Add docu
's location within it.
>
> Signed-off-by: James Morse
> [takahiro.aka...@linaro.org: added "linux,crashkernel-base" and "-size" ]
> Signed-off-by: AKASHI Takahiro
> ---
> Documentation/devicetree/bindings/chosen.txt | 30
> ++++++++
ot;-size" ]
> > Signed-off-by: AKASHI Takahiro
> > Cc: devicet...@vger.kernel.org
> > Cc: Rob Herring
> > Cc: Mark Rutland
>
> Rob, Mark, are you ok with this patch?
I'm leaving this one to Mark.
Rob
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On Tue, May 15, 2018 at 06:12:59PM +0100, James Morse wrote:
> Hi guys,
>
> (CC: +RobH, devicetree list)
Thanks.
> On 25/04/18 07:26, AKASHI Takahiro wrote:
> > Enabling crash dump (kdump) includes
> > * prepare contents of ELF header of a core dump file, /proc/vmcore,
> > using crash_prepare_
On Mon, May 21, 2018 at 5:14 AM, AKASHI Takahiro
wrote:
> Hi Rob,
>
> On Fri, May 18, 2018 at 10:35:52AM -0500, Rob Herring wrote:
>> On Tue, May 15, 2018 at 06:12:59PM +0100, James Morse wrote:
>> > Hi guys,
>> >
>> > (CC: +RobH, devicetree list)
>&
+David Gibson
On Fri, Sep 28, 2018 at 1:48 AM AKASHI Takahiro
wrote:
>
> These functions will be used later to handle kexec-specific properties
> in arm64's kexec_file implementation.
>
> Signed-off-by: AKASHI Takahiro
> Cc: Rob Herring
> Cc: Frank Rowand
> C
On Thu, Oct 4, 2018 at 10:07 PM AKASHI, Takahiro
wrote:
>
> Rob,
>
> # I haven't replied to this comment yet.
>
> On Fri, Sep 28, 2018 at 08:44:42AM -0500, Rob Herring wrote:
> > +David Gibson
> >
> > On Fri, Sep 28, 2018 at 1:48 AM AKASHI Takahiro
> &
hort term, but it still
needs to go upstream.
Otherwise, the implementation looks fine to me.
> Signed-off-by: AKASHI Takahiro
> Cc: Rob Herring
> Cc: Frank Rowand
> Cc: devicet...@vger.kernel.org
> ---
> include/linux/libfdt.h | 26
> lib/Make
On Thu, May 21, 2020 at 3:35 AM Chen Zhou wrote:
>
> Add documentation for DT property used by arm64 kdump:
> linux,low-memory-range.
> "linux,low-memory-range" is an another memory region used for crash
> dump kernel devices.
>
> Signed-off-by: Chen Zhou
> ---
> Documentation/devicetree/binding
On Fri, May 22, 2020 at 11:24:11AM +0800, chenzhou wrote:
> Hi Rob,
+James M (It's nice to Cc folks if you mention/quote them)
> On 2020/5/21 21:29, Rob Herring wrote:
> > On Thu, May 21, 2020 at 3:35 AM Chen Zhou wrote:
> >> Add documentation for DT property used
Adding Leif...
On Fri, Oct 31, 2014 at 6:44 PM, Geoff Levand wrote:
> Hi,
>
> On Fri, 2014-10-24 at 13:27 +0100, Mark Rutland wrote:
>> On Fri, Oct 24, 2014 at 11:59:38AM +0100, Grant Likely wrote:
>> > On Fri, Oct 24, 2014 at 11:51 AM, Mark Rutland
>> > wrote:
>> > > On Fri, Oct 24, 2014 at 12
On Mon, Mar 16, 2015 at 5:58 AM, Geert Uytterhoeven
wrote:
> On Fri, Jan 23, 2015 at 2:03 PM, Geert Uytterhoeven
> wrote:
>> On Sun, Jan 11, 2015 at 8:19 AM, Gaurav Minocha
>> wrote:
>>> This patch intends to remove the unittests dependency on
>>> the functions defined in dynamic.c. So, rather t
s may cause the second kernel to have no available dma memory.
>
> Fix it like kexec tool do for option -c, add both 'high' and 'low' regions
> into the dtb.
>
> Signed-off-by: Zhen Lei
> ---
> drivers/of/kexec.c |
M driver can then read the base address from this entry when making
> the log available.
This series really needs a wider Cc list of folks that worry about
TPMs and kexec.
> Signed-off-by: Stefan Berger
> Cc: Rob Herring
> Cc: Frank Rowand
> Cc: Eric Biederman
> ---
On Wed, Jun 15, 2022 at 09:08:04AM -0400, Stefan Berger wrote:
>
>
> On 6/14/22 13:48, Rob Herring wrote:
> > (),On Tue, Jun 14, 2022 at 10:13 AM Stefan Berger
> > wrote:
> > >
> > > The memory area of the TPM measurement log is currently not properly
On Tue, Jun 14, 2022 at 11:48:30AM -0600, Rob Herring wrote:
> (),On Tue, Jun 14, 2022 at 10:13 AM Stefan Berger
> wrote:
> >
> > The memory area of the TPM measurement log is currently not properly
> > duplicated for carrying it across kexec when an Open Firmwar
On Thu, Jun 16, 2022 at 11:41:27AM -0400, Stefan Berger wrote:
> The of-tree driver does not currently preserve the IBM vTPM 1.2 and
> vTPM 2.0 measurement logs across a kexec. This series fixes this for the
> kexec_file_load() syscall using the flattened device tree (fdt) to
> carry the measuremen
nction from the TPM Openfirmware driver.
>
> Signed-off-by: Stefan Berger
> Cc: Jarkko Sakkinen
> Cc: Jason Gunthorpe
> Cc: Rob Herring
> Cc: Frank Rowand
> ---
> drivers/char/tpm/eventlog/of.c | 31 +--
> drivers/of/Makefile
On Thu, Jul 07, 2022 at 01:20:25PM -0400, Stefan Berger wrote:
> Refactor IMA buffer related functions to make them reusable for carrying
> TPM logs across kexec.
>
> Signed-off-by: Stefan Berger
> Cc: Rob Herring
> Cc: Frank Rowand
> Cc: Mimi Zohar
>
> -
On Mon, Aug 8, 2022 at 9:19 AM Eric DeVolder wrote:
>
>
>
> On 8/7/22 22:25, Baoquan He wrote:
> > Hi Eric,
> >
> > On 07/21/22 at 02:17pm, Eric DeVolder wrote:
> >> The use of __weak is being eliminated within kexec sources.
> >> The technique uses macros mapped onto inline functions in
> >> orde
ram() in get_kexec_buffer() only starts working at this stage.
>
> Signed-off-by: Stefan Berger
> Cc: Rob Herring
> Cc: Frank Rowand
> Cc: Eric Biederman
> Tested-by: Nageswara R Sastry
>
> ---
> v6:
> - Define prototype for tpm_add_kexec_buffer under same co
On Mon, Sep 12, 2022 at 8:01 AM Stefan Berger wrote:
>
>
> Hi Rob,
>
>can you take this series in your tree?
IMO, it should be someone that cares about TPM, kexec, or powerpc.
Yes, there's code in drivers/of/, but that is purely to avoid
duplication of code across powerpc and arm64.
Rob
___
On Wed, Sep 14, 2022 at 2:46 PM Stefan Berger wrote:
>
>
>
> On 9/14/22 14:01, Rob Herring wrote:
> > On Mon, Sep 12, 2022 at 8:01 AM Stefan Berger wrote:
> >>
> >>
> >> Hi Rob,
> >>
> >> can you take this series in your tree?
&g
On Fri, Feb 19, 2021 at 6:52 PM Thiago Jung Bauermann
wrote:
>
> Commit 2377c92e37fe ("powerpc/kexec_file: fix FDT size estimation for kdump
> kernel") fixed how elf64_load() estimates the FDT size needed by the
> crashdump kernel.
>
> At the same time, commit 130b2d59cec0 ("powerpc: Use common
>
On Tue, Mar 9, 2021 at 7:31 PM Lakshmi Ramasubramanian
wrote:
>
> On 3/9/21 6:08 PM, Rob Herring wrote:
>
> Hi Rob,
>
> > On Fri, Feb 19, 2021 at 6:52 PM Thiago Jung Bauermann
> > wrote:
> >>
> >> Commit 2377c92e37fe ("powerpc/kexec_file: fix FDT
On Fri, 19 Feb 2021 21:52:04 -0300, Thiago Jung Bauermann wrote:
> Commit 2377c92e37fe ("powerpc/kexec_file: fix FDT size estimation for kdump
> kernel") fixed how elf64_load() estimates the FDT size needed by the
> crashdump kernel.
>
> At the same time, commit 130b2d59cec0 ("powerpc: Use common
On Wed, Mar 17, 2021 at 5:31 AM Geert Uytterhoeven
wrote:
>
> Parse the following DT properties in the crash dump kernel, to provide a
> modern interface between kexec and the crash dump kernel:
> - linux,elfcorehdr: ELF core header segment, similar to the
> "elfcorehdr=" kernel parameter.
>
r IS_ENABLED(CONFIG_CRASH_DUMP), instead of requiring conditional
> compilation using an #ifdef, thus preparing to increase compile
> coverage.
>
> Suggested-by: Rob Herring
> Signed-off-by: Geert Uytterhoeven
> ---
> v4:
> - New.
> ---
> include/linux/crash_dump.h | 7 +++
On Wed, Jul 14, 2021 at 02:50:12PM +0200, Geert Uytterhoeven wrote:
> Add two global variables (cap_mem_addr and cap_mem_size) for storing a
> base address and size, describing a limited region in which memory may
> be considered available for use by the kernel. If enabled, memory
> outside of thi
On Wed, Jul 14, 2021 at 02:50:20PM +0200, Geert Uytterhoeven wrote:
> Parse the following DT properties in the crash dump kernel, to provide a
> modern interface between kexec and the crash dump kernel:
> - linux,elfcorehdr: ELF core header segment, similar to the
> "elfcorehdr=" kernel param
On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote:
> Hi all,
>
> This patch series adds generic support for parsing DT properties related
> to crash dump kernels ("linux,elfcorehdr" and "linux,elfcorehdr" under
> the "/chosen" node), makes use of it on arm32, and performs a
On Mon, Aug 23, 2021 at 8:10 AM Mike Rapoport wrote:
>
> On Mon, Aug 23, 2021 at 12:17:50PM +0200, Geert Uytterhoeven wrote:
> > Hi Mike,
> >
> > On Mon, Aug 16, 2021 at 7:52 AM Mike Rapoport wrote:
> > > On Wed, Aug 11, 2021 at 10:50:59AM +0200, Geert Uytterhoeven wrote:
> > > > Prepare for earl
On Mon, Aug 23, 2021 at 5:13 AM Geert Uytterhoeven wrote:
>
> Hi Rob,
>
> On Sun, Aug 15, 2021 at 5:25 PM Rob Herring wrote:
> > On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote:
> > > This patch series adds generic support for parsing DT properties
On Tue, Aug 24, 2021 at 6:55 AM Geert Uytterhoeven wrote:
>
> On Mon, Aug 23, 2021 at 4:52 PM Rob Herring wrote:
> > On Mon, Aug 23, 2021 at 5:13 AM Geert Uytterhoeven
> > wrote:
> > > On Sun, Aug 15, 2021 at 5:25 PM Rob Herring wrote:
> > > > On Wed,
On Wed, Oct 20, 2021 at 10:03:16AM +0800, Zhen Lei wrote:
> From: Chen Zhou
>
> When reserving crashkernel in high memory, some low memory is reserved
> for crash dump kernel devices and never mapped by the first kernel.
> This memory range is advertised to crash dump kernel via DT property
> und
emory() has identified all available physical memory.
> Because the two pieces of code are separated far, the readability and
> maintainability are reduced. So bring them together.
>
> Suggested-by: Rob Herring
> Signed-off-by: Zhen Lei
> ---
> drivers/of/fdt.c | 15 +++
On Tue, Nov 23, 2021 at 08:46:45PM +0800, Zhen Lei wrote:
> From: Chen Zhou
>
> When reserving crashkernel in high memory, some low memory is reserved
> for crash dump kernel devices and never mapped by the first kernel.
> This memory range is advertised to crash dump kernel via DT property
> und
On Wed, Dec 8, 2021 at 7:59 PM Leizhen (ThunderTown)
wrote:
>
>
>
> On 2021/12/1 10:55, Leizhen (ThunderTown) wrote:
> >>> + }
> >>>
> >>> - memblock_cap_memory_range(cap_mem_addr, cap_mem_size);
> >>> + memblock_cap_memory_range(rgn[0].base, rgn[0].size);
> >>> + for (i = 1; i < MAX_USABL
emory() has identified all available physical memory.
> Because the two pieces of code are separated far, the readability and
> maintainability are reduced. So bring them together.
>
> Suggested-by: Rob Herring
> Signed-off-by: Zhen Lei
> Tested-by: Dave Kleikamp
> ---
> d
c | 33 +++--
> 1 file changed, 23 insertions(+), 10 deletions(-)
>
Reviewed-by: Rob Herring
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On Wed, Dec 13, 2023 at 12:04:43AM +, Alexander Graf wrote:
> We now have all bits in place to support KHO kexecs. This patch adds
> awareness of KHO in the kexec file as well as boot path for arm64 and
> adds the respective kconfig option to the architecture so that it can
> use KHO successful
On Fri, 22 Dec 2023 19:51:44 +, Alexander Graf wrote:
> With ftrace in KHO, we are creating an ABI between old kernel and new
> kernel about the state that they transfer. To ensure that we document
> that state and catch any breaking change, let's add its schema to the
> common devicetree bin
On Sun, Dec 24, 2023 at 12:20:17AM +0100, Alexander Graf wrote:
> Hi Krzysztof!
>
> Thanks a lot for the fast review!
>
> On 23.12.23 15:30, Krzysztof Kozlowski wrote:
> > On 22/12/2023 20:51, Alexander Graf wrote:
> > > With ftrace in KHO, we are creating an ABI between old kernel and new
> > >
On Fri, Dec 22, 2023 at 07:51:44PM +, Alexander Graf wrote:
> With ftrace in KHO, we are creating an ABI between old kernel and new
> kernel about the state that they transfer. To ensure that we document
> that state and catch any breaking change, let's add its schema to the
> common devicetree
On Fri, Dec 22, 2023 at 12:52 PM Alexander Graf wrote:
>
> With KHO in place, let's add documentation that describes what it is and
> how to use it.
>
> Signed-off-by: Alexander Graf
> ---
> Documentation/kho/concepts.rst | 88
> Documentation/kho/index.rst
On Wed, Jan 17, 2024 at 8:02 AM Alexander Graf wrote:
>
>
> On 03.01.24 19:48, Rob Herring wrote:
> >
> > On Fri, Dec 22, 2023 at 12:52 PM Alexander Graf wrote:
> >> With KHO in place, let's add documentation that describes what it is and
> >> how t
On Wed, Jan 17, 2024 at 02:46:55PM +, Alexander Graf wrote:
> We now have all bits in place to support KHO kexecs. This patch adds
> awareness of KHO in the kexec file as well as boot path for arm64 and
> adds the respective kconfig option to the architecture so that it can
> use KHO successful
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