Re: [PATCH v21 1/5] kdump: return -ENOENT if required cmdline option does not exist

2022-03-15 Thread Baoquan He
On 02/27/22 at 11:07am, Zhen Lei wrote: > The crashkernel=Y,low is an optional command-line option. When it doesn't > exist, kernel will try to allocate minimum required memory below 4G > automatically. Give it a unique error code to distinguish it from other > error scenarios. This log is a

Re: [PATCH v21 1/5] kdump: return -ENOENT if required cmdline option does not exist

2022-03-15 Thread Baoquan He
On 03/15/22 at 09:32pm, Leizhen (ThunderTown) wrote: > > > On 2022/3/15 20:21, Baoquan He wrote: > > On 03/15/22 at 07:57pm, Baoquan He wrote: > >> On 02/27/22 at 11:07am, Zhen Lei wrote: > >>> The crashkernel=Y,low is an optional command-line option. When it doesn't > >>> exist, kernel will try

[PATCH] Drivers: hv: vmbus: Fix potential crash on module unload

2022-03-15 Thread Guilherme G. Piccoli
The vmbus driver relies on the panic notifier infrastructure to perform some operations when a panic event is detected. Since vmbus can be built as module, it is required that the driver handles both registering and unregistering such panic notifier callback. After commit 74347a99e73a

Re: [PATCH v5 4/8] crash: generic crash hotplug support infrastructure

2022-03-15 Thread Eric DeVolder
On 3/15/22 07:08, Sourabh Jain wrote: Hello Eric, On 03/03/22 21:57, Eric DeVolder wrote: This patch introduces a generic crash hot plug/unplug infrastructure for CPU and memory changes. Upon CPU and memory changes, a generic crash_hotplug_handler() obtains the appropriate lock, does some

Re: [PATCH v21 1/5] kdump: return -ENOENT if required cmdline option does not exist

2022-03-15 Thread Leizhen (ThunderTown)
On 2022/3/15 20:21, Baoquan He wrote: > On 03/15/22 at 07:57pm, Baoquan He wrote: >> On 02/27/22 at 11:07am, Zhen Lei wrote: >>> The crashkernel=Y,low is an optional command-line option. When it doesn't >>> exist, kernel will try to allocate minimum required memory below 4G >>> automatically.

Re: [PATCH v21 1/5] kdump: return -ENOENT if required cmdline option does not exist

2022-03-15 Thread Baoquan He
On 03/15/22 at 07:57pm, Baoquan He wrote: > On 02/27/22 at 11:07am, Zhen Lei wrote: > > The crashkernel=Y,low is an optional command-line option. When it doesn't > > exist, kernel will try to allocate minimum required memory below 4G > > automatically. Give it a unique error code to distinguish it

Re: [PATCH v5 4/8] crash: generic crash hotplug support infrastructure

2022-03-15 Thread Sourabh Jain
Hello Eric, On 03/03/22 21:57, Eric DeVolder wrote: This patch introduces a generic crash hot plug/unplug infrastructure for CPU and memory changes. Upon CPU and memory changes, a generic crash_hotplug_handler() obtains the appropriate lock, does some important house keeping and then dispatches

Re: [PATCH v21 5/5] docs: kdump: Update the crashkernel description for arm64

2022-03-15 Thread Baoquan He
On 02/27/22 at 11:07am, Zhen Lei wrote: > Now arm64 has added support for "crashkernel=X,high" and > "crashkernel=Y,low", and implements "crashkernel=X[@offset]" in the > same way as x86. So update the Documentation. > > Signed-off-by: Zhen Lei Looks good to me, thx. Acked-by: Baoquan He >

Re: [PATCH v21 1/5] kdump: return -ENOENT if required cmdline option does not exist

2022-03-15 Thread Baoquan He
On 02/27/22 at 11:07am, Zhen Lei wrote: > The crashkernel=Y,low is an optional command-line option. When it doesn't > exist, kernel will try to allocate minimum required memory below 4G > automatically. Give it a unique error code to distinguish it from other > error scenarios. > > Signed-off-by: