diff options
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/Kconfig | 1 | ||||
| -rw-r--r-- | arch/alpha/include/asm/sysinfo.h | 9 | ||||
| -rw-r--r-- | arch/alpha/include/asm/thread_info.h | 8 | ||||
| -rw-r--r-- | arch/alpha/kernel/osf_sys.c | 12 | ||||
| -rw-r--r-- | arch/alpha/kernel/systbls.S | 2 |
5 files changed, 13 insertions, 19 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index ca2da8da6e9c..60cde53d266c 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -14,6 +14,7 @@ config ALPHA select AUTO_IRQ_AFFINITY if SMP select GENERIC_IRQ_SHOW select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_HAVE_NMI_SAFE_CMPXCHG help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, diff --git a/arch/alpha/include/asm/sysinfo.h b/arch/alpha/include/asm/sysinfo.h index 086aba284df2..e77d77cd07b8 100644 --- a/arch/alpha/include/asm/sysinfo.h +++ b/arch/alpha/include/asm/sysinfo.h @@ -27,13 +27,4 @@ #define UAC_NOFIX 2 #define UAC_SIGBUS 4 - -#ifdef __KERNEL__ - -/* This is the shift that is applied to the UAC bits as stored in the - per-thread flags. See thread_info.h. */ -#define UAC_SHIFT 6 - -#endif - #endif /* __ASM_ALPHA_SYSINFO_H */ diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h index 6f32f9c84a2d..ff73db022342 100644 --- a/arch/alpha/include/asm/thread_info.h +++ b/arch/alpha/include/asm/thread_info.h @@ -74,9 +74,9 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_POLLING_NRFLAG 8 /* poll_idle is polling NEED_RESCHED */ #define TIF_DIE_IF_KERNEL 9 /* dik recursion lock */ -#define TIF_UAC_NOPRINT 10 /* see sysinfo.h */ -#define TIF_UAC_NOFIX 11 -#define TIF_UAC_SIGBUS 12 +#define TIF_UAC_NOPRINT 10 /* ! Preserve sequence of following */ +#define TIF_UAC_NOFIX 11 /* ! flags as they match */ +#define TIF_UAC_SIGBUS 12 /* ! userspace part of 'osf_sysinfo' */ #define TIF_MEMDIE 13 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 14 /* restore signal mask in do_signal */ #define TIF_FREEZE 16 /* is freezing for suspend */ @@ -97,7 +97,7 @@ register struct thread_info *__current_thread_info __asm__("$8"); #define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \ | _TIF_SYSCALL_TRACE) -#define ALPHA_UAC_SHIFT 10 +#define ALPHA_UAC_SHIFT TIF_UAC_NOPRINT #define ALPHA_UAC_MASK (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \ 1 << TIF_UAC_SIGBUS) diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 326f0a2d56e5..01e8715e26d9 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -42,6 +42,7 @@ #include <asm/uaccess.h> #include <asm/system.h> #include <asm/sysinfo.h> +#include <asm/thread_info.h> #include <asm/hwrpb.h> #include <asm/processor.h> @@ -633,9 +634,10 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer, case GSI_UACPROC: if (nbytes < sizeof(unsigned int)) return -EINVAL; - w = (current_thread_info()->flags >> UAC_SHIFT) & UAC_BITMASK; - if (put_user(w, (unsigned int __user *)buffer)) - return -EFAULT; + w = (current_thread_info()->flags >> ALPHA_UAC_SHIFT) & + UAC_BITMASK; + if (put_user(w, (unsigned int __user *)buffer)) + return -EFAULT; return 1; case GSI_PROC_TYPE: @@ -756,8 +758,8 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, case SSIN_UACPROC: again: old = current_thread_info()->flags; - new = old & ~(UAC_BITMASK << UAC_SHIFT); - new = new | (w & UAC_BITMASK) << UAC_SHIFT; + new = old & ~(UAC_BITMASK << ALPHA_UAC_SHIFT); + new = new | (w & UAC_BITMASK) << ALPHA_UAC_SHIFT; if (cmpxchg(¤t_thread_info()->flags, old, new) != old) goto again; diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index b9c28f3f1956..6acea1f96de3 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -360,7 +360,7 @@ sys_call_table: .quad sys_newuname .quad sys_nanosleep /* 340 */ .quad sys_mremap - .quad sys_nfsservctl + .quad sys_ni_syscall /* old nfsservctl */ .quad sys_setresuid .quad sys_getresuid .quad sys_pciconfig_read /* 345 */ |