From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: zohar@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org,
gregkh@linuxfoundation.org, will@kernel.org, joe@perches.com,
catalin.marinas@arm.com, mpe@ellerman.id.au, james.morse@arm.com,
sashal@kernel.org, benh@kernel.crashing.org, paulus@samba.org,
frowand.list@gmail.com, vincenzo.frascino@arm.com,
mark.rutland@arm.com, dmitry.kasatkin@gmail.com,
jmorris@namei.org, serge@hallyn.com, pasha.tatashin@soleen.com,
allison@lohutok.net, masahiroy@kernel.org, mbrugger@suse.com,
hsinyi@chromium.org, tao.li@vivo.com, christophe.leroy@c-s.fr,
prsriva@linux.microsoft.com, balajib@linux.microsoft.com,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v18 03/11] of: Add a common kexec FDT setup function
Date: Mon, 15 Feb 2021 18:41:47 -0300 [thread overview]
Message-ID: <87zh05qa90.fsf@manicouagan.localdomain> (raw)
In-Reply-To: <20210213161049.6190-4-nramas@linux.microsoft.com>
Lakshmi Ramasubramanian <nramas@linux.microsoft.com> writes:
> From: Rob Herring <robh@kernel.org>
>
> Both arm64 and powerpc do essentially the same FDT /chosen setup for
> kexec. The differences are either omissions that arm64 should have
> or additional properties that will be ignored. The setup code can be
> combined and shared by both powerpc and arm64.
>
> The differences relative to the arm64 version:
> - If /chosen doesn't exist, it will be created (should never happen).
> - Any old dtb and initrd reserved memory will be released.
> - The new initrd and elfcorehdr are marked reserved.
> - "linux,booted-from-kexec" is set.
>
> The differences relative to the powerpc version:
> - "kaslr-seed" and "rng-seed" may be set.
> - "linux,elfcorehdr" is set.
> - Any existing "linux,usable-memory-range" is removed.
>
> Combine the code for setting up the /chosen node in the FDT and updating
> the memory reservation for kexec, for powerpc and arm64, in
> of_kexec_alloc_and_setup_fdt() and move it to "drivers/of/kexec.c".
>
> Signed-off-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
> ---
> drivers/of/Makefile | 6 +
> drivers/of/kexec.c | 265 ++++++++++++++++++++++++++++++++++++++++++++
> include/linux/of.h | 5 +
> 3 files changed, 276 insertions(+)
> create mode 100644 drivers/of/kexec.c
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
--
Thiago Jung Bauermann
IBM Linux Technology Center
WARNING: multiple messages have this Message-ID (diff)
From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: mark.rutland@arm.com, tao.li@vivo.com, zohar@linux.ibm.com,
paulus@samba.org, vincenzo.frascino@arm.com,
frowand.list@gmail.com, sashal@kernel.org, robh@kernel.org,
masahiroy@kernel.org, jmorris@namei.org,
takahiro.akashi@linaro.org, linux-arm-kernel@lists.infradead.org,
catalin.marinas@arm.com, serge@hallyn.com,
devicetree@vger.kernel.org, pasha.tatashin@soleen.com,
will@kernel.org, prsriva@linux.microsoft.com,
hsinyi@chromium.org, allison@lohutok.net,
christophe.leroy@c-s.fr, mbrugger@suse.com,
balajib@linux.microsoft.com, dmitry.kasatkin@gmail.com,
linux-kernel@vger.kernel.org, james.morse@arm.com,
gregkh@linuxfoundation.org, joe@perches.com,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v18 03/11] of: Add a common kexec FDT setup function
Date: Mon, 15 Feb 2021 18:41:47 -0300 [thread overview]
Message-ID: <87zh05qa90.fsf@manicouagan.localdomain> (raw)
In-Reply-To: <20210213161049.6190-4-nramas@linux.microsoft.com>
Lakshmi Ramasubramanian <nramas@linux.microsoft.com> writes:
> From: Rob Herring <robh@kernel.org>
>
> Both arm64 and powerpc do essentially the same FDT /chosen setup for
> kexec. The differences are either omissions that arm64 should have
> or additional properties that will be ignored. The setup code can be
> combined and shared by both powerpc and arm64.
>
> The differences relative to the arm64 version:
> - If /chosen doesn't exist, it will be created (should never happen).
> - Any old dtb and initrd reserved memory will be released.
> - The new initrd and elfcorehdr are marked reserved.
> - "linux,booted-from-kexec" is set.
>
> The differences relative to the powerpc version:
> - "kaslr-seed" and "rng-seed" may be set.
> - "linux,elfcorehdr" is set.
> - Any existing "linux,usable-memory-range" is removed.
>
> Combine the code for setting up the /chosen node in the FDT and updating
> the memory reservation for kexec, for powerpc and arm64, in
> of_kexec_alloc_and_setup_fdt() and move it to "drivers/of/kexec.c".
>
> Signed-off-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
> ---
> drivers/of/Makefile | 6 +
> drivers/of/kexec.c | 265 ++++++++++++++++++++++++++++++++++++++++++++
> include/linux/of.h | 5 +
> 3 files changed, 276 insertions(+)
> create mode 100644 drivers/of/kexec.c
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
--
Thiago Jung Bauermann
IBM Linux Technology Center
WARNING: multiple messages have this Message-ID (diff)
From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: mark.rutland@arm.com, benh@kernel.crashing.org, tao.li@vivo.com,
zohar@linux.ibm.com, paulus@samba.org, vincenzo.frascino@arm.com,
frowand.list@gmail.com, sashal@kernel.org, robh@kernel.org,
mpe@ellerman.id.au, masahiroy@kernel.org, jmorris@namei.org,
takahiro.akashi@linaro.org, linux-arm-kernel@lists.infradead.org,
catalin.marinas@arm.com, serge@hallyn.com,
devicetree@vger.kernel.org, pasha.tatashin@soleen.com,
will@kernel.org, prsriva@linux.microsoft.com,
hsinyi@chromium.org, allison@lohutok.net,
christophe.leroy@c-s.fr, mbrugger@suse.com,
balajib@linux.microsoft.com, dmitry.kasatkin@gmail.com,
linux-kernel@vger.kernel.org, james.morse@arm.com,
gregkh@linuxfoundation.org, joe@perches.com,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v18 03/11] of: Add a common kexec FDT setup function
Date: Mon, 15 Feb 2021 18:41:47 -0300 [thread overview]
Message-ID: <87zh05qa90.fsf@manicouagan.localdomain> (raw)
In-Reply-To: <20210213161049.6190-4-nramas@linux.microsoft.com>
Lakshmi Ramasubramanian <nramas@linux.microsoft.com> writes:
> From: Rob Herring <robh@kernel.org>
>
> Both arm64 and powerpc do essentially the same FDT /chosen setup for
> kexec. The differences are either omissions that arm64 should have
> or additional properties that will be ignored. The setup code can be
> combined and shared by both powerpc and arm64.
>
> The differences relative to the arm64 version:
> - If /chosen doesn't exist, it will be created (should never happen).
> - Any old dtb and initrd reserved memory will be released.
> - The new initrd and elfcorehdr are marked reserved.
> - "linux,booted-from-kexec" is set.
>
> The differences relative to the powerpc version:
> - "kaslr-seed" and "rng-seed" may be set.
> - "linux,elfcorehdr" is set.
> - Any existing "linux,usable-memory-range" is removed.
>
> Combine the code for setting up the /chosen node in the FDT and updating
> the memory reservation for kexec, for powerpc and arm64, in
> of_kexec_alloc_and_setup_fdt() and move it to "drivers/of/kexec.c".
>
> Signed-off-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
> ---
> drivers/of/Makefile | 6 +
> drivers/of/kexec.c | 265 ++++++++++++++++++++++++++++++++++++++++++++
> include/linux/of.h | 5 +
> 3 files changed, 276 insertions(+)
> create mode 100644 drivers/of/kexec.c
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
--
Thiago Jung Bauermann
IBM Linux Technology Center
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-15 21:43 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-13 16:10 [PATCH v18 00/10] Carry forward IMA measurement log on kexec on ARM64 Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` [PATCH v18 01/11] powerpc: Rename kexec elfcorehdr_addr to elf_load_addr Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-15 21:31 ` Thiago Jung Bauermann
2021-02-15 21:31 ` Thiago Jung Bauermann
2021-02-15 21:31 ` Thiago Jung Bauermann
2021-02-13 16:10 ` [PATCH v18 02/11] arm64: Rename kexec elf_headers_mem " Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-15 21:34 ` Thiago Jung Bauermann
2021-02-15 21:34 ` Thiago Jung Bauermann
2021-02-15 21:34 ` Thiago Jung Bauermann
2021-02-13 16:10 ` [PATCH v18 03/11] of: Add a common kexec FDT setup function Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-15 21:41 ` Thiago Jung Bauermann [this message]
2021-02-15 21:41 ` Thiago Jung Bauermann
2021-02-15 21:41 ` Thiago Jung Bauermann
2021-02-22 1:32 ` Guenter Roeck
2021-02-22 1:32 ` Guenter Roeck
2021-02-22 1:32 ` Guenter Roeck
2021-02-22 1:35 ` Lakshmi Ramasubramanian
2021-02-22 1:35 ` Lakshmi Ramasubramanian
2021-02-22 1:35 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` [PATCH v18 04/11] arm64: Use common of_kexec_alloc_and_setup_fdt() Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-15 21:46 ` Thiago Jung Bauermann
2021-02-15 21:46 ` Thiago Jung Bauermann
2021-02-15 21:46 ` Thiago Jung Bauermann
2021-02-13 16:10 ` [PATCH v18 05/11] powerpc: " Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-15 21:50 ` Thiago Jung Bauermann
2021-02-15 21:50 ` Thiago Jung Bauermann
2021-02-15 21:50 ` Thiago Jung Bauermann
2021-02-13 16:10 ` [PATCH v18 06/11] powerpc: Move ima buffer fields to struct kimage Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-15 21:58 ` Thiago Jung Bauermann
2021-02-15 21:58 ` Thiago Jung Bauermann
2021-02-15 21:58 ` Thiago Jung Bauermann
2021-02-13 16:10 ` [PATCH v18 07/11] powerpc: Enable passing IMA log to next kernel on kexec Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` [PATCH v18 08/11] powerpc: Move arch independent ima kexec functions to drivers/of/kexec.c Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` [PATCH v18 09/11] kexec: Use fdt_appendprop_addrrange() to add ima buffer to FDT Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` [PATCH v18 10/11] powerpc: Delete unused function delete_fdt_mem_rsv() Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` [PATCH v18 11/11] arm64: Enable passing IMA log to next kernel on kexec Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-13 16:10 ` Lakshmi Ramasubramanian
2021-02-18 1:25 ` [PATCH v18 00/10] Carry forward IMA measurement log on kexec on ARM64 Rob Herring
2021-02-18 1:25 ` Rob Herring
2021-02-18 1:25 ` Rob Herring
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