Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-05 Thread Huacai Chen
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: > >> > >> > >> > >> On 09/05/2022 10:14 AM, Huacai Chen wrote: > >>> On Mon, Sep 5,

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-05 Thread Youling Tang
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: 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, Huacai Chen wrote: Hi, Youling,

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-05 Thread Youling Tang
Hi, Huacai On 09/05/2022 09:01 PM, Huacai Chen wrote: 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: On 09/05/2022 10:14 AM, Huacai Chen wrote: On

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-05 Thread Huacai Chen
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, Huacai Chen wrote: > >>> Hi, Youling, > >>> > >>> On Mon, Sep

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-04 Thread Youling Tang
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, Huacai Chen wrote: 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

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-04 Thread Huacai Chen
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 09/04/2022 08:21 PM, Huacai Chen wrote: > >>> Hi, Youling, > >>> > >>> I

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-04 Thread Youling Tang
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 09/04/2022 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()

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-04 Thread Huacai Chen
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() in crash_dump.c, > I'm not sure if

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-04 Thread Youling Tang
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() in crash_dump.c, I'm not sure if merging crash.c into crash_dump.c will break its consistency? Thanks, Youling Huacai

Re: [PATCH 2/3] LoongArch: Add kdump support

2022-09-04 Thread Huacai Chen
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

[PATCH 2/3] LoongArch: Add kdump support

2022-08-28 Thread Youling Tang
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, which can be viewed as a ELF file. A user space tool, like kexec-tools, is