diff options
Diffstat (limited to 'kernel/arch/powerpc/include')
| -rw-r--r-- | kernel/arch/powerpc/include/asm/icswx.h | 1 | ||||
| -rw-r--r-- | kernel/arch/powerpc/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | kernel/arch/powerpc/include/asm/reg.h | 7 | ||||
| -rw-r--r-- | kernel/arch/powerpc/include/asm/uaccess.h | 21 | ||||
| -rw-r--r-- | kernel/arch/powerpc/include/asm/word-at-a-time.h | 2 | ||||
| -rw-r--r-- | kernel/arch/powerpc/include/uapi/asm/cputable.h | 1 | ||||
| -rw-r--r-- | kernel/arch/powerpc/include/uapi/asm/kvm.h | 1 |
7 files changed, 11 insertions, 23 deletions
diff --git a/kernel/arch/powerpc/include/asm/icswx.h b/kernel/arch/powerpc/include/asm/icswx.h index 9f8402b35..27e588f6c 100644 --- a/kernel/arch/powerpc/include/asm/icswx.h +++ b/kernel/arch/powerpc/include/asm/icswx.h @@ -164,6 +164,7 @@ struct coprocessor_request_block { #define ICSWX_INITIATED (0x8) #define ICSWX_BUSY (0x4) #define ICSWX_REJECTED (0x2) +#define ICSWX_XERS0 (0x1) /* undefined or set from XERSO. */ static inline int icswx(__be32 ccw, struct coprocessor_request_block *crb) { diff --git a/kernel/arch/powerpc/include/asm/kvm_host.h b/kernel/arch/powerpc/include/asm/kvm_host.h index f8673ff84..203765805 100644 --- a/kernel/arch/powerpc/include/asm/kvm_host.h +++ b/kernel/arch/powerpc/include/asm/kvm_host.h @@ -545,6 +545,7 @@ struct kvm_vcpu_arch { u64 tfiar; u32 cr_tm; + u64 xer_tm; u64 lr_tm; u64 ctr_tm; u64 amr_tm; diff --git a/kernel/arch/powerpc/include/asm/reg.h b/kernel/arch/powerpc/include/asm/reg.h index 2220f7a60..627d129d7 100644 --- a/kernel/arch/powerpc/include/asm/reg.h +++ b/kernel/arch/powerpc/include/asm/reg.h @@ -707,7 +707,8 @@ #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */ #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */ #define SPRN_MMCR1 798 -#define SPRN_MMCR2 769 +#define SPRN_MMCR2 785 +#define SPRN_UMMCR2 769 #define SPRN_MMCRA 0x312 #define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */ #define MMCRA_SDAR_DCACHE_MISS 0x40000000UL @@ -744,13 +745,13 @@ #define SPRN_PMC6 792 #define SPRN_PMC7 793 #define SPRN_PMC8 794 -#define SPRN_SIAR 780 -#define SPRN_SDAR 781 #define SPRN_SIER 784 #define SIER_SIPR 0x2000000 /* Sampled MSR_PR */ #define SIER_SIHV 0x1000000 /* Sampled MSR_HV */ #define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */ #define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */ +#define SPRN_SIAR 796 +#define SPRN_SDAR 797 #define SPRN_TACR 888 #define SPRN_TCSCR 889 #define SPRN_CSIGR 890 diff --git a/kernel/arch/powerpc/include/asm/uaccess.h b/kernel/arch/powerpc/include/asm/uaccess.h index 2a8ebae09..a5ffe0207 100644 --- a/kernel/arch/powerpc/include/asm/uaccess.h +++ b/kernel/arch/powerpc/include/asm/uaccess.h @@ -323,30 +323,17 @@ extern unsigned long __copy_tofrom_user(void __user *to, static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { - unsigned long over; - - if (access_ok(VERIFY_READ, from, n)) + if (likely(access_ok(VERIFY_READ, from, n))) return __copy_tofrom_user((__force void __user *)to, from, n); - if ((unsigned long)from < TASK_SIZE) { - over = (unsigned long)from + n - TASK_SIZE; - return __copy_tofrom_user((__force void __user *)to, from, - n - over) + over; - } + memset(to, 0, n); return n; } static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) { - unsigned long over; - if (access_ok(VERIFY_WRITE, to, n)) return __copy_tofrom_user(to, (__force void __user *)from, n); - if ((unsigned long)to < TASK_SIZE) { - over = (unsigned long)to + n - TASK_SIZE; - return __copy_tofrom_user(to, (__force void __user *)from, - n - over) + over; - } return n; } @@ -437,10 +424,6 @@ static inline unsigned long clear_user(void __user *addr, unsigned long size) might_fault(); if (likely(access_ok(VERIFY_WRITE, addr, size))) return __clear_user(addr, size); - if ((unsigned long)addr < TASK_SIZE) { - unsigned long over = (unsigned long)addr + size - TASK_SIZE; - return __clear_user(addr, size - over) + over; - } return size; } diff --git a/kernel/arch/powerpc/include/asm/word-at-a-time.h b/kernel/arch/powerpc/include/asm/word-at-a-time.h index e4396a7d0..4afe66aa1 100644 --- a/kernel/arch/powerpc/include/asm/word-at-a-time.h +++ b/kernel/arch/powerpc/include/asm/word-at-a-time.h @@ -82,7 +82,7 @@ static inline unsigned long create_zero_mask(unsigned long bits) "andc %1,%1,%2\n\t" "popcntd %0,%1" : "=r" (leading_zero_bits), "=&r" (trailing_zero_bit_mask) - : "r" (bits)); + : "b" (bits)); return leading_zero_bits; } diff --git a/kernel/arch/powerpc/include/uapi/asm/cputable.h b/kernel/arch/powerpc/include/uapi/asm/cputable.h index 43686043e..2734c005d 100644 --- a/kernel/arch/powerpc/include/uapi/asm/cputable.h +++ b/kernel/arch/powerpc/include/uapi/asm/cputable.h @@ -31,6 +31,7 @@ #define PPC_FEATURE_PSERIES_PERFMON_COMPAT \ 0x00000040 +/* Reserved - do not use 0x00000004 */ #define PPC_FEATURE_TRUE_LE 0x00000002 #define PPC_FEATURE_PPC_LE 0x00000001 diff --git a/kernel/arch/powerpc/include/uapi/asm/kvm.h b/kernel/arch/powerpc/include/uapi/asm/kvm.h index ab4d4732c..720b71a63 100644 --- a/kernel/arch/powerpc/include/uapi/asm/kvm.h +++ b/kernel/arch/powerpc/include/uapi/asm/kvm.h @@ -587,6 +587,7 @@ struct kvm_get_htab_header { #define KVM_REG_PPC_TM_VSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67) #define KVM_REG_PPC_TM_DSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68) #define KVM_REG_PPC_TM_TAR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69) +#define KVM_REG_PPC_TM_XER (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a) /* PPC64 eXternal Interrupt Controller Specification */ #define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */ |