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SubjectRe: [PATCH v2] Drivers: hv: move panic report code from vmbus to hv early init code
On Sat, Apr 15, 2023 at 06:16:11PM +0000, Michael Kelley (LINUX) wrote:
> From: longli@linuxonhyperv.com <longli@linuxonhyperv.com> 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@microsoft.com>
> > ---
> >
> > 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@microsoft.com>

Applied to hyperv-next. Thanks.

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