cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

shm.h (968B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_SHM_H_
      3#define _LINUX_SHM_H_
      4
      5#include <linux/list.h>
      6#include <asm/page.h>
      7#include <uapi/linux/shm.h>
      8#include <asm/shmparam.h>
      9
     10struct file;
     11
     12#ifdef CONFIG_SYSVIPC
     13struct sysv_shm {
     14	struct list_head shm_clist;
     15};
     16
     17long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr,
     18	      unsigned long shmlba);
     19bool is_file_shm_hugepages(struct file *file);
     20void exit_shm(struct task_struct *task);
     21#define shm_init_task(task) INIT_LIST_HEAD(&(task)->sysvshm.shm_clist)
     22#else
     23struct sysv_shm {
     24	/* empty */
     25};
     26
     27static inline long do_shmat(int shmid, char __user *shmaddr,
     28			    int shmflg, unsigned long *addr,
     29			    unsigned long shmlba)
     30{
     31	return -ENOSYS;
     32}
     33static inline bool is_file_shm_hugepages(struct file *file)
     34{
     35	return false;
     36}
     37static inline void exit_shm(struct task_struct *task)
     38{
     39}
     40static inline void shm_init_task(struct task_struct *task)
     41{
     42}
     43#endif
     44
     45#endif /* _LINUX_SHM_H_ */