diff options
Diffstat (limited to 'include/asm-mips')
| -rw-r--r-- | include/asm-mips/checksum.h | 3 | ||||
| -rw-r--r-- | include/asm-mips/hazards.h | 2 | ||||
| -rw-r--r-- | include/asm-mips/irqflags.h | 22 | ||||
| -rw-r--r-- | include/asm-mips/pgtable.h | 10 | ||||
| -rw-r--r-- | include/asm-mips/thread_info.h | 2 |
5 files changed, 27 insertions, 12 deletions
diff --git a/include/asm-mips/checksum.h b/include/asm-mips/checksum.h index 24cdcc6eaab8..20a81e1548f5 100644 --- a/include/asm-mips/checksum.h +++ b/include/asm-mips/checksum.h @@ -159,7 +159,8 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, #endif " .set pop" : "=r" (sum) - : "0" (daddr), "r"(saddr), + : "0" ((__force unsigned long)daddr), + "r" ((__force unsigned long)saddr), #ifdef __MIPSEL__ "r" ((proto + len) << 8), #else diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h index 0fe02945feba..50073157a617 100644 --- a/include/asm-mips/hazards.h +++ b/include/asm-mips/hazards.h @@ -157,7 +157,7 @@ ASMMACRO(back_to_back_c0_hazard, * processors. */ ASMMACRO(mtc0_tlbw_hazard, - nop + nop; nop ) ASMMACRO(tlbw_use_hazard, nop; nop; nop diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h index 46bf5de5ac72..af3b07dfad4b 100644 --- a/include/asm-mips/irqflags.h +++ b/include/asm-mips/irqflags.h @@ -15,6 +15,27 @@ #include <asm/hazards.h> +/* + * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred IPIs, + * at the cost of branch and call overhead on each local_irq_restore() + */ + +#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY + +extern void smtc_ipi_replay(void); + +#define irq_restore_epilog(flags) \ +do { \ + if (!(flags & 0x0400)) \ + smtc_ipi_replay(); \ +} while (0) + +#else + +#define irq_restore_epilog(ignore) do { } while (0) + +#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */ + __asm__ ( " .macro raw_local_irq_enable \n" " .set push \n" @@ -193,6 +214,7 @@ do { \ : "=r" (__tmp1) \ : "0" (flags) \ : "memory"); \ + irq_restore_epilog(flags); \ } while(0) static inline int raw_irqs_disabled_flags(unsigned long flags) diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index f2e1325fec6c..3fcfd7979de5 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h @@ -69,16 +69,6 @@ extern unsigned long zero_page_mask; #define ZERO_PAGE(vaddr) \ (virt_to_page((void *)(empty_zero_page + (((unsigned long)(vaddr)) & zero_page_mask)))) -#define __HAVE_ARCH_MOVE_PTE -#define move_pte(pte, prot, old_addr, new_addr) \ -({ \ - pte_t newpte = (pte); \ - if (pte_present(pte) && pfn_valid(pte_pfn(pte)) && \ - pte_page(pte) == ZERO_PAGE(old_addr)) \ - newpte = mk_pte(ZERO_PAGE(new_addr), (prot)); \ - newpte; \ -}) - extern void paging_init(void); /* diff --git a/include/asm-mips/thread_info.h b/include/asm-mips/thread_info.h index e475c45ea263..fbcda8204473 100644 --- a/include/asm-mips/thread_info.h +++ b/include/asm-mips/thread_info.h @@ -118,6 +118,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 +#define TIF_FREEZE 19 #define TIF_SYSCALL_TRACE 31 /* syscall trace active */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) @@ -129,6 +130,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) +#define _TIF_FREEZE (1<<TIF_FREEZE) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK (0x0000ffef & ~_TIF_SECCOMP) |