diff options
Diffstat (limited to 'arch/tile/kernel/sys.c')
| -rw-r--r-- | arch/tile/kernel/sys.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index cb44ba7ccd2..38debe70606 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -32,11 +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; } @@ -100,14 +108,10 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, #define sys_readahead sys32_readahead #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 |