On Tue, Apr 30, 2024 at 11:51:53AM +0800, Mingzheng Xing wrote: > On 4/30/24 11:39, Baoquan He wrote: > > On 04/30/24 at 11:24am, Mingzheng Xing wrote: > >> This reverts commit 1d6cd2146c2b58bc91266db1d5d6a5f9632e14c0 which was > >> mistakenly added into v6.6.y and the commit corresponding to the 'Fixes:' > >> tag is invalid. For more information, see link [1]. > >> > >> This will result in the loss of Crashkernel data in /proc/iomem, and kdump > >> failed: > >> > >> ``` > >> Memory for crashkernel is not reserved > >> Please reserve memory by passing"crashkernel=Y@X" parameter to kernel > >> Then try to loading kdump kernel > >> ``` > >> > >> After revert, kdump works fine. Tested on QEMU riscv. > >> > >> Link: https://lore.kernel.org/linux-riscv/ZSiQRDGLZk7lpakE@MiWiFi-R3L-srv [1] > >> Cc: Baoquan He <bhe@xxxxxxxxxx> > >> Cc: Chen Jiahao <chenjiahao16@xxxxxxxxxx> > >> Signed-off-by: Mingzheng Xing <xingmingzheng@xxxxxxxxxxx> > > > > Ack. This is necessary for v6.6.y stable branch. > > > > Acked-by: Baoquan He <bhe@xxxxxxxxxx> > > > > Thanks, > > Hi, Greg. This is for the 6.6.y branch only. Thanks, now queued up. greg k-h
