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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-03-09 09:01:58 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-03-09 09:01:58 +0300 |
| commit | 987a08741d72c1f735e31bfe478dc2ac6be8fc7e (patch) | |
| tree | ea1f17fd95a2123a504711209055c803126f34b6 /arch/sparc/kernel/process_32.c | |
| parent | 144c79ef33536b4ecb4951e07dbc1f2b7fa99d32 (diff) | |
| parent | cf64c2a905e0dabcc473ca70baf275fb3a61fac4 (diff) | |
| download | linux-987a08741d72c1f735e31bfe478dc2ac6be8fc7e.tar.xz | |
Merge git://git.kernel.org:/pub/scm/linux/kernel/git/davem/sparc
Pull sparc updates from David Miller:
"Just some more random bits from Al, including a conversion over to
generic extables"
* git://git.kernel.org:/pub/scm/linux/kernel/git/davem/sparc:
sparc32: take ->thread.flags out
sparc32: get rid of fake_swapper_regs
sparc64: get rid of fake_swapper_regs
sparc32: switch to generic extables
sparc32: switch copy_user.S away from range exception table entries
sparc32: get rid of range exception table entries in checksum_32.S
sparc32: switch __bzero() away from range exception table entries
sparc32: kill lookup_fault()
sparc32: don't bother with lookup_fault() in __bzero()
Diffstat (limited to 'arch/sparc/kernel/process_32.c')
| -rw-r--r-- | arch/sparc/kernel/process_32.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index b91e88058e0c..3b9794978e5b 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -216,16 +216,6 @@ void flush_thread(void) clear_thread_flag(TIF_USEDFPU); #endif } - - /* This task is no longer a kernel thread. */ - if (current->thread.flags & SPARC_FLAG_KTHREAD) { - current->thread.flags &= ~SPARC_FLAG_KTHREAD; - - /* We must fixup kregs as well. */ - /* XXX This was not fixed for ti for a while, worked. Unused? */ - current->thread.kregs = (struct pt_regs *) - (task_stack_page(current) + (THREAD_SIZE - TRACEREG_SZ)); - } } static inline struct sparc_stackf __user * @@ -313,7 +303,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, extern int nwindows; unsigned long psr; memset(new_stack, 0, STACKFRAME_SZ + TRACEREG_SZ); - p->thread.flags |= SPARC_FLAG_KTHREAD; p->thread.current_ds = KERNEL_DS; ti->kpc = (((unsigned long) ret_from_kernel_thread) - 0x8); childregs->u_regs[UREG_G1] = sp; /* function */ @@ -325,7 +314,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, } memcpy(new_stack, (char *)regs - STACKFRAME_SZ, STACKFRAME_SZ + TRACEREG_SZ); childregs->u_regs[UREG_FP] = sp; - p->thread.flags &= ~SPARC_FLAG_KTHREAD; p->thread.current_ds = USER_DS; ti->kpc = (((unsigned long) ret_from_fork) - 0x8); ti->kpsr = current->thread.fork_kpsr | PSR_PIL; |