Applied with some modifications. You may need to test whether everything is OK.
https://github.com/chenhuacai/linux/commits/loongarch-next
Huacai
On Wed, Sep 3, 2025 at 11:02 AM Youling Tang wrote:
>
> From: Youling Tang
>
> This patchset implement kexec_file_load() support on LoongArch.
>
> Th
Hi, Youling,
On Tue, Aug 26, 2025 at 9:18 AM Youling Tang wrote:
>
> From: Youling Tang
>
> Define a dedicated image header structure for LoongArch architecture to
> standardize kernel loading in bootloaders (primarily for kexec_file).
>
> This header includes critical metadata such as PE signat
Hi, Youling,
On Wed, Aug 20, 2025 at 1:57 PM Youling Tang wrote:
>
> From: Youling Tang
>
> This patchset implement kexec_file_load() support on LoongArch.
>
> This patch series enables us to load the LoongArch vmlinuz.efi(pez) or
> vmlinux.efi(pei) or vmlinux(elf) by specifying its file decript
On Thu, Aug 21, 2025 at 9:20 AM Youling Tang wrote:
>
> On 2025/8/20 19:13, Yao Zi wrote:
>
> > On Wed, Aug 20, 2025 at 05:13:27PM +0800, Youling Tang wrote:
> >> Hi, Yao
> >>
> >> On 2025/8/20 14:50, Yao Zi wrote:
> >>
> >>> On Wed, Aug 20, 2025 at 01:56:57PM +0800, Youling Tang wrote:
> Fro
Hi, Youling,
On Wed, Aug 20, 2025 at 1:57 PM Youling Tang wrote:
>
> From: Youling Tang
>
> This patch adds support for kexec_file on LoongArch.
>
> The efi_kexec_load() as two parts:
> - the first part loads the kernel image (vmlinuz.efi or vmlinux.efi)
> - the second part loads other segments
On Tue, Aug 12, 2025 at 10:38 AM Youling Tang wrote:
>
> Hi, Huacai
> On 2025/8/11 22:12, Huacai Chen wrote:
> > Hi, Youling,
> >
> > On Mon, Aug 11, 2025 at 5:28 PM Youling Tang wrote:
> >> From: Youling Tang
> >>
> >> Add inird lo
On Tue, Aug 12, 2025 at 9:22 AM Youling Tang wrote:
>
> Hi, Huacai
> On 2025/8/11 22:07, Huacai Chen wrote:
> > Hi, Youling,
> >
> > On Mon, Aug 11, 2025 at 5:28 PM Youling Tang wrote:
> >> From: Youling Tang
> >>
> >> This patch a
On Tue, Aug 12, 2025 at 1:09 AM Yao Zi wrote:
>
> On Mon, Aug 11, 2025 at 05:26:55PM +0800, Youling Tang wrote:
> > From: Youling Tang
> >
> > This patch adds support for kexec_file on LoongArch.
> >
> > The image_load() as two parts:
> > - the first part loads the kernel image (vmlinuz.efi or vm
Hi, Youling,
On Mon, Aug 11, 2025 at 5:28 PM Youling Tang wrote:
>
> From: Youling Tang
>
> Add inird loading support and pass it to the second kernel via the
> cmdline 'initrd=start,size'.
I think Patch-3 and Patch-5 should be merged into Patch-2.
Huacai
>
> Signed-off-by: Youling Tang
> ---
Hi, Youling,
On Mon, Aug 11, 2025 at 5:28 PM Youling Tang wrote:
>
> From: Youling Tang
>
> This patch adds support for kexec_file on LoongArch.
>
> The image_load() as two parts:
> - the first part loads the kernel image (vmlinuz.efi or vmlinux.efi)
> - the second part loads other segments (eg:
Hi, Andrew,
On Sat, Mar 30, 2024 at 10:24 PM Baoquan He wrote:
>
> On 03/30/24 at 09:59pm, Huacai Chen wrote:
> > Queued, thanks.
>
> Thanks, Huacai. While I noticed Andrew has queued this patchset in his
> mm-unstable branch.
If I'm not mistaken, mm-unstable is target
. And also rename each
> ARCH's to accordingly.
>
> But the relevant part in loongarch is missed. Do it now.
>
> Signed-off-by: Baoquan He
> Cc: Huacai Chen
> Cc: WANG Xuerui
> Cc: loonga...@lists.linux.dev
> ---
> arch/loongarch/Kconfig
fa19-fe0b : System RAM
fa19-fa1b : Reserved
fe4e-47fff : System RAM
43c00-441ff : Reserved
47ff98000-47ffa3fff : Reserved
47ffa4000-47ffa7fff : Reserved
47ffa8000-47ffabfff : Reserved
47ffac000-47ffa : Reserved
47ffb-47ffb3fff : Reserv
On Sat, Dec 2, 2023 at 8:46 PM Simon Horman wrote:
>
> On Sat, Dec 02, 2023 at 08:30:27PM +0800, Huacai Chen wrote:
> > On Sat, Dec 2, 2023 at 6:11 PM WANG Rui wrote:
> > >
> > > > On Fri, Nov 24, 2023 at 11:46:58PM +0800, WANG Rui wrote:
> > > > >
On Sat, Dec 2, 2023 at 6:11 PM WANG Rui wrote:
>
> > On Fri, Nov 24, 2023 at 11:46:58PM +0800, WANG Rui wrote:
> > > Currently, kexec loads vmlinux.efi to address 0 instead of the link
> > > address. This causes kexec to fail to boot the new vmlinux.efi on qemu.
> > >
> > > pei_loongarch_load: k
Hi, Simon,
On Fri, Dec 1, 2023 at 10:06 PM Simon Horman wrote:
>
> On Wed, Nov 29, 2023 at 12:15:17PM +0800, Huacai Chen wrote:
> > Hi, all,
> >
> > On Tue, Nov 28, 2023 at 2:27 PM WANG Rui wrote:
> > >
> > > Hi,
> > >
> &
Hi, all,
On Tue, Nov 28, 2023 at 2:27 PM WANG Rui wrote:
>
> Hi,
>
> On Mon, Nov 27, 2023 at 10:36 AM RuiRui Yang wrote:
> >
> > On Mon, 27 Nov 2023 at 09:53, RuiRui Yang wrote:
> > >
> > > On Sat, 25 Nov 2023 at 14:54, WANG Rui wrote:
> > > >
> > > > Currently, kexec loads vmlinux.efi to addr
Reviewed-by: Huacai Chen
On Fri, Nov 24, 2023 at 4:54 PM WANG Rui wrote:
>
> Normally vmlinux for LoongArch is of ET_EXEC type, while if built with
> CONFIG_RELOCATABLE (this is PIE) and Clang, it will be of ET_DYN type.
> Meanwhile, physical address field of segments in vmlinux
Reviewed-by: Huacai Chen
On Sat, Nov 25, 2023 at 2:53 PM WANG Rui wrote:
>
> Currently, kexec loads vmlinux.efi to address 0 instead of the link
> address. This causes kexec to fail to boot the new vmlinux.efi on qemu.
>
> pei_loongarch_load: kernel_segment: 0
Hi, Youling,
On Fri, Sep 9, 2022 at 11:20 AM Youling Tang wrote:
>
> Add three new files, kexec.h, machine_kexec.c and relocate_kernel.S to the
> LoongArch architecture that add support for the kexec re-boot mechanis
> (CONFIG_KEXEC) on LoongArch platforms.
>
> Supports loading vmlinux (vmlinux.e
Hi, Youling,
On Fri, Sep 9, 2022 at 11:20 AM Youling Tang wrote:
>
> This patch adds support for kdump, the kernel will reserve a region
> for the crash kernel and jump there on panic.
>
> Arch-specific functions are added to allow for implementing a crash
> dump file interface, /proc/vmcore, whi
Hi, Youling,
On Mon, Sep 5, 2022 at 3:45 PM Youling Tang wrote:
>
> Hi, Huacai
>
> On 09/05/2022 03:32 PM, Huacai Chen wrote:
> > Hi, Youling,
> >
> > On Mon, Sep 5, 2022 at 10:22 AM Youling Tang
> > wrote:
> >>
> >>
> >>
>
Hi, Youling,
On Mon, Sep 5, 2022 at 10:22 AM Youling Tang wrote:
>
>
>
> On 09/05/2022 10:14 AM, Huacai Chen wrote:
> > On Mon, Sep 5, 2022 at 10:04 AM Youling Tang
> > wrote:
> >>
> >> Hi, Huacai
> >>
> >> On 09/05/2022 09:38 AM, Hua
On Mon, Sep 5, 2022 at 10:04 AM Youling Tang wrote:
>
> Hi, Huacai
>
> On 09/05/2022 09:38 AM, Huacai Chen wrote:
> > Hi, Youling,
> >
> > On Mon, Sep 5, 2022 at 8:54 AM Youling Tang wrote:
> >>
> >> Hi, Huacai
> >>
> >> On 09/04/
Hi, Youling,
On Mon, Sep 5, 2022 at 8:54 AM Youling Tang wrote:
>
> Hi, Huacai
>
> On 09/04/2022 08:21 PM, Huacai Chen wrote:
> > Hi, Youling,
> >
> > I think crash.c can be merged into crash_dump.c
>
> Most architectures only implement copy_oldmem_page(
Hi, Youling,
I think crash.c can be merged into crash_dump.c
Huacai
On Mon, Aug 29, 2022 at 12:37 PM Youling Tang wrote:
>
> This patch adds support for kdump, the kernel will reserve a region
> for the crash kernel and jump there on panic.
>
> Arch-specific functions are added to allow for imp
On Tue, Aug 30, 2022 at 11:26 AM Youling Tang wrote:
>
> Hi, Jinyang
>
> On 08/30/2022 09:53 AM, Jinyang He wrote:
> > Hi, Youling,
> >
> >
> > On 08/29/2022 12:37 PM, Youling Tang wrote:
> >> Add three new files, kexec.h, machine_kexec.c and relocate_kernel.S to
> >> the
> >> LoongArch architectu
Hi, Jiaxun,
On Sat, Jan 9, 2021 at 3:38 PM Jiaxun Yang wrote:
>
> 在 2021/1/9 上午9:36, Huacai Chen 写道:
> > Hi, Jiaxun,
> >
> > On Fri, Jan 8, 2021 at 6:15 PM Jiaxun Yang wrote:
> >> 在 2021/1/8 下午6:07, Jinyang He 写道:
> >>> Hi, Thomas,
> >>>
Hi, Jiaxun,
On Fri, Jan 8, 2021 at 6:15 PM Jiaxun Yang wrote:
>
> 在 2021/1/8 下午6:07, Jinyang He 写道:
> > Hi, Thomas,
> >
> > On 01/08/2021 01:26 AM, Thomas Bogendoerfer wrote:
> > --- a/arch/mips/kernel/relocate_kernel.S
> > +++ b/arch/mips/kernel/relocate_kernel.S
> > @@ -6,6 +6,7 @@
Hi, Thomas,
On Tue, Dec 22, 2020 at 2:41 PM Jinyang He wrote:
>
> On 12/21/2020 08:02 PM, Huacai Chen wrote:
>
> > From: Huacai Chen
> >
> > Add kexec/kdump support for Loongson64 by:
> > 1, Provide Loongson-specific kexec functions: loongson_kexec_prepare()
From: Huacai Chen
Add kexec/kdump support for Loongson64 by:
1, Provide Loongson-specific kexec functions: loongson_kexec_prepare(),
loongson_kexec_shutdown() and loongson_crash_shutdown();
2, Provide Loongson-specific assembly code in kexec_smp_wait();
To start Loongson64, The boot CPU
a
node is more than 1GB, we reserve the top 128MB for the crash kernel.
Signed-off-by: Huacai Chen
---
arch/mips/kernel/setup.c | 63
1 file changed, 63 insertions(+)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index e2804a2.
nd 64K, KEXEC data
Cc: Eric Biederman
Signed-off-by: Huacai Chen
Signed-off-by: Jinyang He
Signed-off-by: Youling Tang
---
arch/mips/kernel/relocate_kernel.S | 27 +
arch/mips/loongson64/reset.c | 111 +
2 files changed, 149 insertions(+)
d
ash kernel should be able to see all old memories, even though it is
not supposed to use them.
Fixes: a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map")
Signed-off-by: Huacai Chen
---
arch/mips/kernel/setup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/mips/kernel
Hi, Jiaxun,
On Wed, Sep 23, 2020 at 9:37 PM Jiaxun Yang wrote:
>
>
>
> 在 2020/9/23 10:30, Huacai Chen 写道:
> > Add kexec/kdump support for Loongson64 by:
> > 1, Provide Loongson-specific kexec functions: loongson_kexec_prepare,
> > loongson_kexec_shutdown and
Hi, Jinyang,
On Wed, Sep 23, 2020 at 11:35 AM Jinyang He wrote:
>
> Hi, Huacai,
>
> On 09/23/2020 10:30 AM, Huacai Chen wrote:
> > Add kexec/kdump support for Loongson64 by:
> > 1, Provide Loongson-specific kexec functions: loongson_kexec_prepare,
> >
Hi, Jinyang,
On Wed, Sep 23, 2020 at 11:02 AM Jinyang He wrote:
>
> On 09/23/2020 10:30 AM, Huacai Chen wrote:
> > Kexec-tools use mem=X@Y to pass usable memories to crash kernel, but in
> > commit a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map") all
Hi, Baoquan,
On Wed, Sep 23, 2020 at 10:46 AM Baoquan He wrote:
>
> On 09/23/20 at 10:30am, Huacai Chen wrote:
> > Kexec-tools use mem=X@Y to pass usable memories to crash kernel, but in
> > commit a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map") all
_args.
The assembly part in kexec_smp_wait provide a routine as BIOS does, in
order to keep secondary CPUs in a querying loop.
Cc: Eric Biederman
Signed-off-by: Huacai Chen
Signed-off-by: Jinyang He
Signed-off-by: Youling Tang
---
arch/mips/kernel/relocate_kernel.S | 27 +
arch/mips/lo
ash kernel should be able to see all old memories, even though it is
not supposed to use them.
Fixes: a94e4f24ec836c8984f83959 ("MIPS: init: Drop boot_mem_map")
Signed-off-by: Huacai Chen
---
arch/mips/kernel/setup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/mips/kernel
a
node is more than 1GB, we reserve the top 128MB for the crash kernel.
Signed-off-by: Huacai Chen
---
arch/mips/kernel/setup.c | 63
1 file changed, 63 insertions(+)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index e2804a2.
Hi, Jinyang,
On Fri, Sep 18, 2020 at 2:20 PM Jinyang He wrote:
>
> On 09/17/2020 09:52 PM, Zhou Yanjie wrote:
> > Hello,
> >
> > 在 2020/9/17 下午8:41, Jinyang He 写道:
> >> Hi, Huacai,
> >>
> >>
> >> On 09/16/2020 01:39 PM, Huacai Chen wrot
Hi, Jinyang,
On Tue, Sep 15, 2020 at 10:17 PM Jinyang He wrote:
>
>
>
> On 09/16/2020 09:33 AM, Jiaxun Yang wrote:
> >
> > 于 2020年9月15日 GMT+08:00 下午9:07:43, Jinyang He 写到:
> >> Add loongson_kexec_prepare(), loongson_kexec_shutdown() and
> >> loongson_kexec_crashdown() for passing the parameters
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