diff options
| author | Himadri Pandya <himadrispandya@gmail.com> | 2019-07-30 09:49:44 +0000 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2019-11-21 20:10:45 -0500 |
| commit | 53edce00ceb7443b6f4615b5c8ad71671723d8f5 (patch) | |
| tree | d8cae17ac3c4e76b7a62e755a98d1efe0cc5fc97 /drivers/hv/vmbus_drv.c | |
| parent | fa36dcdf8b200f4c175d0a00a8c99439ee0df95d (diff) | |
Drivers: hv: vmbus: Remove dependencies on guest page size
Hyper-V assumes page size to be 4K. This might not be the case for ARM64
architecture. Hence use hyper-v page size and page allocation function
to avoid conflicts between different host and guest page size on ARM64.
Signed-off-by: Himadri Pandya <himadri18.07@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 125991820278..5d2304b4b9c8 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1275,7 +1275,7 @@ static void hv_kmsg_dump(struct kmsg_dumper *dumper, * Write dump contents to the page. No need to synchronize; panic should * be single-threaded. */ - kmsg_dump_get_buffer(dumper, true, hv_panic_page, PAGE_SIZE, + kmsg_dump_get_buffer(dumper, true, hv_panic_page, HV_HYP_PAGE_SIZE, &bytes_written); if (bytes_written) hyperv_report_panic_msg(panic_pa, bytes_written); @@ -1379,7 +1379,7 @@ static int vmbus_bus_init(void) */ hv_get_crash_ctl(hyperv_crash_ctl); if (hyperv_crash_ctl & HV_CRASH_CTL_CRASH_NOTIFY_MSG) { - hv_panic_page = (void *)get_zeroed_page(GFP_KERNEL); + hv_panic_page = (void *)hv_alloc_hyperv_zeroed_page(); if (hv_panic_page) { ret = kmsg_dump_register(&hv_kmsg_dumper); if (ret) @@ -1408,7 +1408,7 @@ err_alloc: hv_remove_vmbus_irq(); bus_unregister(&hv_bus); - free_page((unsigned long)hv_panic_page); + hv_free_hyperv_page((unsigned long)hv_panic_page); unregister_sysctl_table(hv_ctl_table_hdr); hv_ctl_table_hdr = NULL; return ret; |