[PATCH] kexec: update manpage with explicit mention of clean kexec

2023-07-06 Thread Hari Bathini
While the manpage does mention about kexec boot with a clean shutdown, it is not explicit about it. Make it explicit. Signed-off-by: Hari Bathini --- kexec/kexec.8 | 12 ++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/kexec/kexec.8 b/kexec/kexec.8 index

Re: [PATCH v2] x86/kexec: Add EFI config table identity mapping for kexec kernel

2023-07-06 Thread Baoquan He
On 07/07/23 at 11:38am, Tao Liu wrote: > Hi Borislav, > > Thanks for the patch review! > > On Thu, Jul 6, 2023 at 1:34 AM Borislav Petkov wrote: > > > > On Thu, Jun 01, 2023 at 03:20:44PM +0800, Tao Liu wrote: > > > A kexec kernel bootup hang is observed on Intel Atom cpu due to unmapped > > >

Re: [PATCH v2] x86/kexec: Add EFI config table identity mapping for kexec kernel

2023-07-06 Thread Tao Liu
Hi Borislav, Thanks for the patch review! On Thu, Jul 6, 2023 at 1:34 AM Borislav Petkov wrote: > > On Thu, Jun 01, 2023 at 03:20:44PM +0800, Tao Liu wrote: > > A kexec kernel bootup hang is observed on Intel Atom cpu due to unmapped > > s/cpu/CPU/g > > > EFI config table. > > > > Currently EFI

Re: [PATCH v2] x86/kexec: Add EFI config table identity mapping for kexec kernel

2023-07-06 Thread Dave Young
On 07/05/23 at 07:33pm, Borislav Petkov wrote: > On Thu, Jun 01, 2023 at 03:20:44PM +0800, Tao Liu wrote: > > A kexec kernel bootup hang is observed on Intel Atom cpu due to unmapped > > s/cpu/CPU/g > > > EFI config table. > > > > Currently EFI system table is identity-mapped for the kexec

Re: [PATCH -next v7 0/2] support allocating crashkernel above 4G explicitly on riscv

2023-07-06 Thread Baoquan He
On 07/04/23 at 09:23pm, Chen Jiahao wrote: > On riscv, the current crash kernel allocation logic is trying to > allocate within 32bit addressible memory region by default, if > failed, try to allocate without 4G restriction. > > In need of saving DMA zone memory while allocating a relatively

Re: [BUG REPORT] Triggering a panic in an x86 virtual machine does not wait

2023-07-06 Thread Baokun Li
On 2023/7/5 16:59, Thomas Gleixner wrote: On Mon, Jul 03 2023 at 11:44, Baokun Li wrote: When I manually trigger panic in a qume x86 VM with    `echo c > /proc/sysrq-trigger`,  I find that the VM will probably reboot directly, but the PANIC_TIMEOUT is 0. This prevents us from