diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/cache.h | 7 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/machdep.h | 9 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 17 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/word-at-a-time.h | 5 |
7 files changed, 12 insertions, 30 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index ac1662956e0c..ab9f4e0ed4cf 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -7,4 +7,3 @@ generic-y += mcs_spinlock.h generic-y += preempt.h generic-y += rwsem.h generic-y += vtime.h -generic-y += word-at-a-time.h diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 0dc42c5082b7..5f8229e24fe6 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -3,7 +3,6 @@ #ifdef __KERNEL__ -#include <asm/reg.h> /* bytes per L1 cache line */ #if defined(CONFIG_8xx) || defined(CONFIG_403GCX) @@ -40,12 +39,6 @@ struct ppc64_caches { }; extern struct ppc64_caches ppc64_caches; - -static inline void logmpp(u64 x) -{ - asm volatile(PPC_LOGMPP(R1) : : "r" (x)); -} - #endif /* __powerpc64__ && ! __ASSEMBLY__ */ #if defined(__ASSEMBLY__) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 827a38d7a9db..887c259556df 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -297,8 +297,6 @@ struct kvmppc_vcore { u32 arch_compat; ulong pcr; ulong dpdes; /* doorbell state (POWER8) */ - void *mpp_buffer; /* Micro Partition Prefetch buffer */ - bool mpp_buffer_is_valid; ulong conferring_threads; }; diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index cab6753f1be5..3f191f573d4f 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -61,8 +61,13 @@ struct machdep_calls { unsigned long addr, unsigned char *hpte_slot_array, int psize, int ssize, int local); - /* special for kexec, to be called in real mode, linear mapping is - * destroyed as well */ + /* + * Special for kexec. + * To be called in real mode with interrupts disabled. No locks are + * taken as such, concurrent access on pre POWER5 hardware could result + * in a deadlock. + * The linear mapping is destroyed as well. + */ void (*hpte_clear_all)(void); void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size, diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 790f5d1d9a46..7ab04fc59e24 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -141,7 +141,6 @@ #define PPC_INST_ISEL 0x7c00001e #define PPC_INST_ISEL_MASK 0xfc00003e #define PPC_INST_LDARX 0x7c0000a8 -#define PPC_INST_LOGMPP 0x7c0007e4 #define PPC_INST_LSWI 0x7c0004aa #define PPC_INST_LSWX 0x7c00042a #define PPC_INST_LWARX 0x7c000028 @@ -285,20 +284,6 @@ #define __PPC_EH(eh) 0 #endif -/* POWER8 Micro Partition Prefetch (MPP) parameters */ -/* Address mask is common for LOGMPP instruction and MPPR SPR */ -#define PPC_MPPE_ADDRESS_MASK 0xffffffffc000ULL - -/* Bits 60 and 61 of MPP SPR should be set to one of the following */ -/* Aborting the fetch is indeed setting 00 in the table size bits */ -#define PPC_MPPR_FETCH_ABORT (0x0ULL << 60) -#define PPC_MPPR_FETCH_WHOLE_TABLE (0x2ULL << 60) - -/* Bits 54 and 55 of register for LOGMPP instruction should be set to: */ -#define PPC_LOGMPP_LOG_L2 (0x02ULL << 54) -#define PPC_LOGMPP_LOG_L2L3 (0x01ULL << 54) -#define PPC_LOGMPP_LOG_ABORT (0x03ULL << 54) - /* Deal with instructions that older assemblers aren't aware of */ #define PPC_DCBAL(a, b) stringify_in_c(.long PPC_INST_DCBAL | \ __PPC_RA(a) | __PPC_RB(b)) @@ -307,8 +292,6 @@ #define PPC_LDARX(t, a, b, eh) stringify_in_c(.long PPC_INST_LDARX | \ ___PPC_RT(t) | ___PPC_RA(a) | \ ___PPC_RB(b) | __PPC_EH(eh)) -#define PPC_LOGMPP(b) stringify_in_c(.long PPC_INST_LOGMPP | \ - __PPC_RB(b)) #define PPC_LWARX(t, a, b, eh) stringify_in_c(.long PPC_INST_LWARX | \ ___PPC_RT(t) | ___PPC_RA(a) | \ ___PPC_RB(b) | __PPC_EH(eh)) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index aa1cc5f015ee..a908ada8e0a5 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -226,7 +226,6 @@ #define CTRL_TE 0x00c00000 /* thread enable */ #define CTRL_RUNLATCH 0x1 #define SPRN_DAWR 0xB4 -#define SPRN_MPPR 0xB8 /* Micro Partition Prefetch Register */ #define SPRN_RPR 0xBA /* Relative Priority Register */ #define SPRN_CIABR 0xBB #define CIABR_PRIV 0x3 diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index 5b3a903adae6..e4396a7d0f7c 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -40,6 +40,11 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct return (val + c->high_bits) & ~rhs; } +static inline unsigned long zero_bytemask(unsigned long mask) +{ + return ~1ul << __fls(mask); +} + #else #ifdef CONFIG_64BIT |