On Fri, 2018-09-14 at 14:06:02 UTC, Hari Bathini wrote: > Firmware-Assisted Dump (FADump) needs to be registered again after any > memory hot add/remove operation to update the crash memory ranges. But > currently, the kernel returns '-EEXIST' if we try to register without > uregistering it first. This could expose the system to racing issues > while unregistering and registering FADump from userspace during udev > events. Spare the userspace of this and let it be taken care of in the > kernel space for a simpler interface. > > Since this change, running 'echo 1 > /sys/kernel/fadump_registered' > would result in re-regisering (unregistering and registering) FADump, > if it was already registered. > > Signed-off-by: Hari Bathini <[email protected]> > Acked-by: Mahesh Salgaonkar <[email protected]>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/0823c68b054bca9dc321adea829af5 cheers
