mips/kernel/signal.c

40 #include <asm/msa.h>
165 	struct msa_extcontext __user *msa = buf;
188 		err = __put_user(read_msa_csr(), &msa->csr);
189 		err |= _save_msa_all_upper(&msa->wr);
195 		err = __put_user(current->thread.fpu.msacsr, &msa->csr);
199 			err |= __put_user(val, &msa->wr[i]);
203 	err |= __put_user(MSA_EXTCONTEXT_MAGIC, &msa->ext.magic);
204 	err |= __put_user(sizeof(*msa), &msa->ext.size);
206 	return err ? -EFAULT : sizeof(*msa);
211 	struct msa_extcontext __user *msa = buf;
216 	if (size != sizeof(*msa))
219 	err = get_user(csr, &msa->csr);
236 		err |= _restore_msa_all_upper(&msa->wr);
244 			err |= __get_user(val, &msa->wr[i]);