From: longli@xxxxxxxxxxxxxxxxx <longli@xxxxxxxxxxxxxxxxx> Sent: Thursday, April 13, 2023 6:27 PM > > The panic reporting code was added in commit 81b18bce48af > ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > It was added to the vmbus driver. The panic reporting has no dependence > on vmbus, and can be enabled at an earlier boot time when Hyper-V is > initialized. > > This patch moves the panic reporting code out of vmbus. There is no > functionality changes. During moving, also refactored some cleanup > functions into hv_kmsg_dump_unregister(), and removed unused function > hv_alloc_hyperv_page(). > > Signed-off-by: Long Li <longli@xxxxxxxxxxxxx> > --- > > Change log v2: > 1. Check on hv_is_isolation_supported() before reporting crash dump > 2. Remove hyperv_report_reg(), inline the check condition instead > 3. Remove the test NULL on hv_panic_page when freeing it > > drivers/hv/hv.c | 36 ------ > drivers/hv/hv_common.c | 229 +++++++++++++++++++++++++++++++++ > drivers/hv/vmbus_drv.c | 199 ---------------------------- > include/asm-generic/mshyperv.h | 1 - > 4 files changed, 229 insertions(+), 236 deletions(-) Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>