[PATCH 6/9] clocksource: hyper-v: Mark hyperv tsc page unencrypted in sev-snp enlightened guest

Tianyu Lan posted 9 patches 2 years, 8 months ago
There is a newer version of this series
[PATCH 6/9] clocksource: hyper-v: Mark hyperv tsc page unencrypted in sev-snp enlightened guest
Posted by Tianyu Lan 2 years, 8 months ago
From: Tianyu Lan <tiala@microsoft.com>

Hyper-V tsc page is shared with hypervisor and mark the page
unencrypted in sev-snp enlightened guest when it's used.

Signed-off-by: Tianyu Lan <tiala@microsoft.com>
---
 drivers/clocksource/hyperv_timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c
index bcd9042a0c9f..66e29a19770b 100644
--- a/drivers/clocksource/hyperv_timer.c
+++ b/drivers/clocksource/hyperv_timer.c
@@ -376,7 +376,7 @@ EXPORT_SYMBOL_GPL(hv_stimer_global_cleanup);
 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;
-- 
2.25.1