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| author | Paolo Bonzini <pbonzini@redhat.com> | 2021-12-08 13:29:16 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-12-08 13:30:48 +0300 |
| commit | 93b350f884c451d3cb75e6e3814266cf2d2afab1 (patch) | |
| tree | 4fc17bfc4e31b6348df3c36117bd64a0b4520f88 /arch/s390/include | |
| parent | adbfb12d4c4517a8adde23a7fc46538953d56eea (diff) | |
| parent | 250552b925ce400c17d166422fde9bb215958481 (diff) | |
| download | linux-93b350f884c451d3cb75e6e3814266cf2d2afab1.tar.xz | |
Merge branch 'kvm-on-hv-msrbm-fix' into HEAD
Merge bugfix for enlightened MSR Bitmap, before adding support
to KVM for exposing the feature to nested guests.
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/pci_io.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h index e4dc64cc9c55..287bb88f7698 100644 --- a/arch/s390/include/asm/pci_io.h +++ b/arch/s390/include/asm/pci_io.h @@ -14,12 +14,13 @@ /* I/O Map */ #define ZPCI_IOMAP_SHIFT 48 -#define ZPCI_IOMAP_ADDR_BASE 0x8000000000000000UL +#define ZPCI_IOMAP_ADDR_SHIFT 62 +#define ZPCI_IOMAP_ADDR_BASE (1UL << ZPCI_IOMAP_ADDR_SHIFT) #define ZPCI_IOMAP_ADDR_OFF_MASK ((1UL << ZPCI_IOMAP_SHIFT) - 1) #define ZPCI_IOMAP_MAX_ENTRIES \ - ((ULONG_MAX - ZPCI_IOMAP_ADDR_BASE + 1) / (1UL << ZPCI_IOMAP_SHIFT)) + (1UL << (ZPCI_IOMAP_ADDR_SHIFT - ZPCI_IOMAP_SHIFT)) #define ZPCI_IOMAP_ADDR_IDX_MASK \ - (~ZPCI_IOMAP_ADDR_OFF_MASK - ZPCI_IOMAP_ADDR_BASE) + ((ZPCI_IOMAP_ADDR_BASE - 1) & ~ZPCI_IOMAP_ADDR_OFF_MASK) struct zpci_iomap_entry { u32 fh; |