diff options
| author | Tianyu Lan <tiala@microsoft.com> | 2023-08-18 12:29:16 +0200 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2023-08-22 02:38:20 +0200 |
| commit | 45f46b1ac95ea34cc6e81739a64cb6bec28f1185 (patch) | |
| tree | 3b620e81a478936f52036b35992e51ba2ba4b8b5 /drivers/clocksource | |
| parent | x86/hyperv: Use vmmcall to implement Hyper-V hypercall in sev-snp enlightened... (diff) | |
| download | linux-45f46b1ac95ea34cc6e81739a64cb6bec28f1185.tar.xz linux-45f46b1ac95ea34cc6e81739a64cb6bec28f1185.zip | |
clocksource: hyper-v: Mark hyperv tsc page unencrypted in sev-snp enlightened guest
Hyper-V tsc page is shared with hypervisor and mark the page
unencrypted in sev-snp enlightened guest when it's used.
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230818102919.1318039-7-ltykernel@gmail.com
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/hyperv_timer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c index e56307a81f4d..8ff7cd4e20bb 100644 --- a/drivers/clocksource/hyperv_timer.c +++ b/drivers/clocksource/hyperv_timer.c @@ -390,7 +390,7 @@ static __always_inline u64 read_hv_clock_msr(void) static union { struct ms_hyperv_tsc_page page; u8 reserved[PAGE_SIZE]; -} tsc_pg __aligned(PAGE_SIZE); +} tsc_pg __bss_decrypted __aligned(PAGE_SIZE); static struct ms_hyperv_tsc_page *tsc_page = &tsc_pg.page; static unsigned long tsc_pfn; |