diff options
Diffstat (limited to 'arch/x86/um')
-rw-r--r-- | arch/x86/um/asm/barrier.h | 12 | ||||
-rw-r--r-- | arch/x86/um/tls_32.c | 6 | ||||
-rw-r--r-- | arch/x86/um/tls_64.c | 7 | ||||
-rw-r--r-- | arch/x86/um/vdso/um_vdso.c | 12 | ||||
-rw-r--r-- | arch/x86/um/vdso/vdso.S | 6 |
5 files changed, 15 insertions, 28 deletions
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index f31e5d903161..165be7f9a964 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -2,14 +2,7 @@ #ifndef _ASM_UM_BARRIER_H_ #define _ASM_UM_BARRIER_H_ -#include <asm/asm.h> -#include <asm/segment.h> -#include <asm/cpufeatures.h> -#include <asm/cmpxchg.h> -#include <asm/nops.h> - -#include <linux/kernel.h> -#include <linux/irqflags.h> +#include <asm/alternative.h> /* * Force strict CPU ordering. @@ -30,9 +23,6 @@ #endif /* CONFIG_X86_32 */ -#define dma_rmb() barrier() -#define dma_wmb() barrier() - #include <asm-generic/barrier.h> #endif diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c index 5bd949da7a4a..ac8eee093f9c 100644 --- a/arch/x86/um/tls_32.c +++ b/arch/x86/um/tls_32.c @@ -215,14 +215,12 @@ static int set_tls_entry(struct task_struct* task, struct user_desc *info, return 0; } -int arch_copy_tls(struct task_struct *new) +int arch_set_tls(struct task_struct *new, unsigned long tls) { struct user_desc info; int idx, ret = -EFAULT; - if (copy_from_user(&info, - (void __user *) UPT_SI(&new->thread.regs.regs), - sizeof(info))) + if (copy_from_user(&info, (void __user *) tls, sizeof(info))) goto out; ret = -EINVAL; diff --git a/arch/x86/um/tls_64.c b/arch/x86/um/tls_64.c index 3a621e0d3925..ebd3855d9b13 100644 --- a/arch/x86/um/tls_64.c +++ b/arch/x86/um/tls_64.c @@ -6,14 +6,13 @@ void clear_flushed_tls(struct task_struct *task) { } -int arch_copy_tls(struct task_struct *t) +int arch_set_tls(struct task_struct *t, unsigned long tls) { /* * If CLONE_SETTLS is set, we need to save the thread id - * (which is argument 5, child_tid, of clone) so it can be set - * during context switches. + * so it can be set during context switches. */ - t->thread.arch.fs = t->thread.regs.regs.gp[R8 / sizeof(long)]; + t->thread.arch.fs = tls; return 0; } diff --git a/arch/x86/um/vdso/um_vdso.c b/arch/x86/um/vdso/um_vdso.c index ac9c02b9d92c..2112b8d14668 100644 --- a/arch/x86/um/vdso/um_vdso.c +++ b/arch/x86/um/vdso/um_vdso.c @@ -13,7 +13,7 @@ #include <linux/getcpu.h> #include <asm/unistd.h> -int __vdso_clock_gettime(clockid_t clock, struct timespec *ts) +int __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts) { long ret; @@ -22,10 +22,10 @@ int __vdso_clock_gettime(clockid_t clock, struct timespec *ts) return ret; } -int clock_gettime(clockid_t, struct timespec *) +int clock_gettime(clockid_t, struct __kernel_old_timespec *) __attribute__((weak, alias("__vdso_clock_gettime"))); -int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz) +int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) { long ret; @@ -34,10 +34,10 @@ int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz) return ret; } -int gettimeofday(struct timeval *, struct timezone *) +int gettimeofday(struct __kernel_old_timeval *, struct timezone *) __attribute__((weak, alias("__vdso_gettimeofday"))); -time_t __vdso_time(time_t *t) +__kernel_old_time_t __vdso_time(__kernel_old_time_t *t) { long secs; @@ -47,7 +47,7 @@ time_t __vdso_time(time_t *t) return secs; } -int time(time_t *t) __attribute__((weak, alias("__vdso_time"))); +__kernel_old_time_t time(__kernel_old_time_t *t) __attribute__((weak, alias("__vdso_time"))); long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused) diff --git a/arch/x86/um/vdso/vdso.S b/arch/x86/um/vdso/vdso.S index a4a3870dc059..a6eaf293a73b 100644 --- a/arch/x86/um/vdso/vdso.S +++ b/arch/x86/um/vdso/vdso.S @@ -1,11 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0 */ #include <linux/init.h> +#include <linux/linkage.h> __INITDATA - .globl vdso_start, vdso_end -vdso_start: +SYM_DATA_START(vdso_start) .incbin "arch/x86/um/vdso/vdso.so" -vdso_end: +SYM_DATA_END_LABEL(vdso_start, SYM_L_GLOBAL, vdso_end) __FINIT |