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| author | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-05-10 01:56:03 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-05-10 01:56:03 +0200 |
| commit | bf584e4dbd5bac7b1aaddbd33a7116364f919819 (patch) | |
| tree | 1a4ebb22e283da0b363d9ad497f11624a2f4f439 /arch/x86/kvm/svm/sev.c | |
| parent | power: reset: ltc2952: remove unused variable (diff) | |
| parent | regulator: use linear_ranges helper (diff) | |
| download | linux-bf584e4dbd5bac7b1aaddbd33a7116364f919819.tar.xz linux-bf584e4dbd5bac7b1aaddbd33a7116364f919819.zip | |
Merge tag 'tags/linear-ranges-lib' into psy-next
lib: Add linear ranges helper library and start using it
Series extracts a "linear ranges" helper out of the regulator
framework. Linear ranges helper is intended to help converting
real-world values to register values when conversion is linear. I
suspect this is useful also for power subsystem and possibly for clk.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'arch/x86/kvm/svm/sev.c')
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 0e3fc311d7da..cf912b4aaba8 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/highmem.h> #include <linux/psp-sev.h> +#include <linux/pagemap.h> #include <linux/swap.h> #include "x86.h" @@ -1117,7 +1118,7 @@ int __init sev_hardware_setup(void) /* Maximum number of encrypted guests supported simultaneously */ max_sev_asid = cpuid_ecx(0x8000001F); - if (!max_sev_asid) + if (!svm_sev_enabled()) return 1; /* Minimum ASID value that should be used for SEV guest */ @@ -1156,6 +1157,9 @@ err: void sev_hardware_teardown(void) { + if (!svm_sev_enabled()) + return; + bitmap_free(sev_asid_bitmap); bitmap_free(sev_reclaim_asid_bitmap); |