diff options
Diffstat (limited to 'arch/m68k/kernel')
| -rw-r--r-- | arch/m68k/kernel/asm-offsets.c | 2 | ||||
| -rw-r--r-- | arch/m68k/kernel/entry.S | 5 | ||||
| -rw-r--r-- | arch/m68k/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/m68k/kernel/traps.c | 13 |
4 files changed, 9 insertions, 15 deletions
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index ccea355052ef..906d73230537 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -31,7 +31,7 @@ int main(void) DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); - DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); + DEFINE(THREAD_FC, offsetof(struct thread_struct, fc)); DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 8fa9822b5922..9434fca68de5 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -36,7 +36,6 @@ #include <linux/linkage.h> #include <asm/errno.h> #include <asm/setup.h> -#include <asm/segment.h> #include <asm/traps.h> #include <asm/unistd.h> #include <asm/asm-offsets.h> @@ -337,7 +336,7 @@ resume: /* save fs (sfc,%dfc) (may be pointing to kernel memory) */ movec %sfc,%d0 - movew %d0,%a0@(TASK_THREAD+THREAD_FS) + movew %d0,%a0@(TASK_THREAD+THREAD_FC) /* save usp */ /* it is better to use a movel here instead of a movew 8*) */ @@ -423,7 +422,7 @@ resume: movel %a0,%usp /* restore fs (sfc,%dfc) */ - movew %a1@(TASK_THREAD+THREAD_FS),%a0 + movew %a1@(TASK_THREAD+THREAD_FC),%a0 movec %a0,%sfc movec %a0,%dfc diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index db49f9091711..1ab692b952cd 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -92,7 +92,7 @@ void show_regs(struct pt_regs * regs) void flush_thread(void) { - current->thread.fs = __USER_DS; + current->thread.fc = USER_DATA; #ifdef CONFIG_FPU if (!FPU_IS_EMU) { unsigned long zero = 0; @@ -155,7 +155,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long arg, * Must save the current SFC/DFC value, NOT the value when * the parent was last descheduled - RGH 10-08-96 */ - p->thread.fs = get_fs().seg; + p->thread.fc = USER_DATA; if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) { /* kernel thread */ diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index 5b19fcdcd69e..9718ce94cc84 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -181,9 +181,8 @@ static inline void access_error060 (struct frame *fp) static inline unsigned long probe040(int iswrite, unsigned long addr, int wbs) { unsigned long mmusr; - mm_segment_t old_fs = get_fs(); - set_fs(MAKE_MM_SEG(wbs)); + set_fc(wbs); if (iswrite) asm volatile (".chip 68040; ptestw (%0); .chip 68k" : : "a" (addr)); @@ -192,7 +191,7 @@ static inline unsigned long probe040(int iswrite, unsigned long addr, int wbs) asm volatile (".chip 68040; movec %%mmusr,%0; .chip 68k" : "=r" (mmusr)); - set_fs(old_fs); + set_fc(USER_DATA); return mmusr; } @@ -201,10 +200,8 @@ static inline int do_040writeback1(unsigned short wbs, unsigned long wba, unsigned long wbd) { int res = 0; - mm_segment_t old_fs = get_fs(); - /* set_fs can not be moved, otherwise put_user() may oops */ - set_fs(MAKE_MM_SEG(wbs)); + set_fc(wbs); switch (wbs & WBSIZ_040) { case BA_SIZE_BYTE: @@ -218,9 +215,7 @@ static inline int do_040writeback1(unsigned short wbs, unsigned long wba, break; } - /* set_fs can not be moved, otherwise put_user() may oops */ - set_fs(old_fs); - + set_fc(USER_DATA); pr_debug("do_040writeback1, res=%d\n", res); |