diff options
Diffstat (limited to 'arch/tile/kernel/sys.c')
| -rw-r--r-- | arch/tile/kernel/sys.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index 7e764669a02..38debe70606 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -20,7 +20,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/mman.h> #include <linux/file.h> @@ -33,11 +32,19 @@ #include <asm/syscalls.h> #include <asm/pgtable.h> #include <asm/homecache.h> +#include <asm/cachectl.h> #include <arch/chip.h> -SYSCALL_DEFINE0(flush_cache) +SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len, + unsigned long, flags) { - homecache_evict(cpumask_of(smp_processor_id())); + /* DCACHE is not particularly effective if not bound to one cpu. */ + if (flags & DCACHE) + homecache_evict(cpumask_of(raw_smp_processor_id())); + + if (flags & ICACHE) + flush_remote(0, HV_FLUSH_EVICT_L1I, mm_cpumask(current->mm), + 0, 0, 0, NULL, NULL, 0); return 0; } @@ -57,13 +64,6 @@ ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count) return sys_readahead(fd, ((loff_t)offset_hi << 32) | offset_lo, count); } -long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi, - u32 len, int advice) -{ - return sys_fadvise64_64(fd, ((loff_t)offset_hi << 32) | offset_lo, - len, advice); -} - int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi, u32 len_lo, u32 len_hi, int advice) { @@ -104,20 +104,14 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, #ifndef __tilegx__ /* See comments at the top of the file. */ -#define sys_fadvise64 sys32_fadvise64 #define sys_fadvise64_64 sys32_fadvise64_64 #define sys_readahead sys32_readahead -#define sys_sync_file_range sys_sync_file_range2 #endif -/* Call the trampolines to manage pt_regs where necessary. */ -#define sys_execve _sys_execve -#define sys_sigaltstack _sys_sigaltstack +/* Call the assembly trampolines where necessary. */ +#undef sys_rt_sigreturn #define sys_rt_sigreturn _sys_rt_sigreturn #define sys_clone _sys_clone -#ifndef __tilegx__ -#define sys_cmpxchg_badaddr _sys_cmpxchg_badaddr -#endif /* * Note that we can't include <linux/unistd.h> here since the header |