[PATCH] printk: make printk_safe_flush safe in NMI context

From: Hoeun Ryu Make printk_safe_flush() safe in NMI context. And printk_safe_flush_on_panic() is folded into this function. The prototype of printk_safe_flush() is changed to "void printk_safe_flush(bool panic)". nmi_trigger_cpumask_backtrace() can be called in NMI context. For example the

Re: [PATCH] kdump: add default crashkernel reserve kernel config options

On Fri, 25 May 2018 15:00:13 -0500 ebied...@xmission.com (Eric W. Biederman) wrote: >[...] > The ultimate point is that the absolute best we can do is to run a > kernel in memory that we never use for anything else and then we have a > fighting chance of getting the system working and getting a

Re: [PATCH] kexec/s390: Add support for kexec_file_load

On Tue, 22 May 2018 10:11:04 +0200 Simon Horman wrote: > On Mon, May 21, 2018 at 02:24:40PM +0800, Dave Young wrote: > > On 05/16/18 at 02:27pm, Philipp Rudo wrote: > > > Since kernel 4.17-rc2 s390 supports the kexec_file_load system call. Add > > > the new system call to

Re: [PATCH v2] Remove obsolete kdump tool

Hello Simon, On Fri, May 25, 2018 at 3:32 PM, Simon Horman wrote: > On Fri, May 25, 2018 at 04:00:33PM +0800, Dave Young wrote: >> On 05/24/18 at 01:08pm, Bhupesh Sharma wrote: >> > The kdump tool presently allows one to generate an ELF file containing >> > the ELF header,