Re: [PATCH v3] x86/kexec: fix potential cmem->ranges out of bounds

2023-12-23 Thread Baoquan He
On 12/22/23 at 09:29pm, Baoquan He wrote: > On 12/22/23 at 08:18pm, fuqiang wang wrote: > > In memmap_exclude_ranges(), there will exclude elfheader from > > elfheader will be excluded from crashk_res. OR > it will exclude

Re: [PATCH v2 17/17] devicetree: Add bindings for ftrace KHO

2023-12-23 Thread Alexander Graf
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 kernel about the state that they transfer. To ensure that we document that state and

Re: [PATCH 1/7] [RFC PATCH 1/7] osdump: Add one new os minidump module

2023-12-23 Thread ruipeng qi
On Sat, Dec 23, 2023 at 11:13 PM ruipeng qi wrote: > > I don't see a problem why minidump cannot do it. > Qcom minidump allows one kernel client to register its region to dump, and > then > driver will create and maintain one elf head for it. > But osdump will dump thousands of non-continuous

Re: [PATCH 1/7] [RFC PATCH 1/7] osdump: Add one new os minidump module

2023-12-23 Thread ruipeng qi
On Sat, Dec 23, 2023 at 10:23 PM Krzysztof Kozlowski wrote: > > Qcom minidump can dump some logs like dmsg, some status like IRQ or > > Run queue. This can help to learn some information when the issue occurs, > > which will help to find out the root cause. But what it dumps are limited, > > it

Re: [PATCH v2 17/17] devicetree: Add bindings for ftrace KHO

2023-12-23 Thread Krzysztof Kozlowski
On 22/12/2023 20:51, 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 bindings. This way,

Re: [PATCH 1/7] [RFC PATCH 1/7] osdump: Add one new os minidump module

2023-12-23 Thread Krzysztof Kozlowski
On 23/12/2023 15:12, ruipeng qi wrote: > On Fri, Dec 22, 2023 at 12:25 AM Krzysztof Kozlowski @linaro.org> wrote: >>> Osdump is a new crash dumping solution aiming at specific embedded >>> devices within automotive or Industrial. >>> - limited memory. >>> - reboot as soon as possible when

Re: [PATCH 1/7] [RFC PATCH 1/7] osdump: Add one new os minidump module

2023-12-23 Thread ruipeng qi
On Fri, Dec 22, 2023 at 12:25 AM Krzysztof Kozlowski wrote: > > Osdump is a new crash dumping solution aiming at specific embedded > > devices within automotive or Industrial. > > - limited memory. > > - reboot as soon as possible when system fault. > > NAK, sorry, work with Qualcomm minidump