diff options
| author | Stanislav Kinsburskiy <[email protected]> | 2022-11-03 17:58:48 +0000 |
|---|---|---|
| committer | Wei Liu <[email protected]> | 2022-11-28 16:48:20 +0000 |
| commit | 76be6331a81607359cb41ca20ec5388c68c855e3 (patch) | |
| tree | bd5ca8cdf6b2ea9d4a3358c920df84b773c8e1b0 | |
| parent | 202818e1c8519ee301e930484707d7ddace639e0 (diff) | |
clocksource: hyper-v: Introduce a pointer to TSC page
Will be used later keep the address of the remapped page for the root
partition as it will be Microsoft Hypervisor defined (and thus won't be a
static address).
Signed-off-by: Stanislav Kinsburskiy <[email protected]>
CC: "K. Y. Srinivasan" <[email protected]>
CC: Haiyang Zhang <[email protected]>
CC: Wei Liu <[email protected]>
CC: Dexuan Cui <[email protected]>
CC: Daniel Lezcano <[email protected]>
CC: Thomas Gleixner <[email protected]>
CC: [email protected]
CC: [email protected]
Reviewed-by: Michael Kelley <[email protected]>
Reviewed-by: Anirudh Rayabharam <[email protected]>
Link: https://lore.kernel.org/r/166749832893.218190.16503272948154953294.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net
Signed-off-by: Wei Liu <[email protected]>
| -rw-r--r-- | drivers/clocksource/hyperv_timer.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c index 18de1f439ffd..b0b5df576e17 100644 --- a/drivers/clocksource/hyperv_timer.c +++ b/drivers/clocksource/hyperv_timer.c @@ -367,9 +367,11 @@ static union { u8 reserved[PAGE_SIZE]; } tsc_pg __aligned(PAGE_SIZE); +static struct ms_hyperv_tsc_page *tsc_page = &tsc_pg.page; + struct ms_hyperv_tsc_page *hv_get_tsc_page(void) { - return &tsc_pg.page; + return tsc_page; } EXPORT_SYMBOL_GPL(hv_get_tsc_page); @@ -407,7 +409,7 @@ static void suspend_hv_clock_tsc(struct clocksource *arg) static void resume_hv_clock_tsc(struct clocksource *arg) { - phys_addr_t phys_addr = virt_to_phys(&tsc_pg); + phys_addr_t phys_addr = virt_to_phys(tsc_page); union hv_reference_tsc_msr tsc_msr; /* Re-enable the TSC page */ |