tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
frv: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
+3
-11
+1
arch/frv/Kconfig
+1
arch/frv/Kconfig
+2
-11
arch/frv/kernel/signal.c
+2
-11
arch/frv/kernel/signal.c
···
74
74
return ret;
75
75
}
76
76
77
-
asmlinkage
78
-
int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
79
-
{
80
-
return do_sigaltstack(uss, uoss, __frame->sp);
81
-
}
82
-
83
-
84
77
/*
85
78
* Do a signal return; undo the signal stack.
86
79
*/
···
166
173
if (restore_sigcontext(&frame->uc.uc_mcontext, &gr8))
167
174
goto badframe;
168
175
169
-
if (do_sigaltstack(&frame->uc.uc_stack, NULL, __frame->sp) == -EFAULT)
176
+
if (restore_altstack(&frame->uc.uc_stack))
170
177
goto badframe;
171
178
172
179
return gr8;
···
338
345
/* Create the ucontext. */
339
346
if (__put_user(0, &frame->uc.uc_flags) ||
340
347
__put_user(NULL, &frame->uc.uc_link) ||
341
-
__put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) ||
342
-
__put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) ||
343
-
__put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size))
348
+
__save_altstack(&frame->uc.uc_stack, __frame->sp))
344
349
goto give_sigsegv;
345
350
346
351
if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0]))