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Searched refs:shmaddr (Results 1 – 19 of 19) sorted by relevance

/openbmc/openbmc/poky/meta/recipes-devtools/qemu/qemu/
H A D0004-linux-user-Rewrite-target_shmat.patch58 + if (shmaddr) {
59 + if (shmaddr & (m_shmlba - 1)) {
106 - if (shmaddr & (shmlba - 1)) {
108 - shmaddr &= ~(shmlba - 1);
124 - if (shmaddr) {
126 + if (!shmaddr) {
128 + if (shmaddr == -1) {
146 + if (!page_check_range_empty(shmaddr, shmaddr + m_len - 1)) {
203 + last = shmaddr + m_len - 1;
204 + page_set_flags(shmaddr, last,
[all …]
/openbmc/linux/tools/testing/selftests/mm/
H A Dhugepage-shm.c55 char *shmaddr; in main() local
64 shmaddr = shmat(shmid, ADDR, SHMAT_FLAGS); in main()
65 if (shmaddr == (char *)-1) { in main()
70 printf("shmaddr: %p\n", shmaddr); in main()
74 shmaddr[i] = (char)(i); in main()
82 if (shmaddr[i] != (char)i) { in main()
88 if (shmdt((const void *)shmaddr) != 0) { in main()
H A Dwrite_to_hugetlbfs.c31 static char *shmaddr; variable
51 if (shmdt((const void *)shmaddr) != 0) { in sig_handler()
/openbmc/qemu/bsd-user/
H A Dbsd-mem.h348 static inline abi_long do_bsd_shmat(int shmid, abi_ulong shmaddr, int shmflg) in do_bsd_shmat() argument
361 if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) { in do_bsd_shmat()
368 if (shmaddr) { in do_bsd_shmat()
369 host_raddr = shmat(shmid, (void *)g2h_untagged(shmaddr), shmflg); in do_bsd_shmat()
404 static inline abi_long do_bsd_shmdt(abi_ulong shmaddr) in do_bsd_shmdt() argument
412 if (bsd_shm_regions[i].start == shmaddr) { in do_bsd_shmdt()
421 ret = get_errno(shmdt(g2h_untagged(shmaddr))); in do_bsd_shmdt()
426 page_set_flags(shmaddr, shmaddr + size - 1, 0); in do_bsd_shmdt()
427 mmap_reserve(shmaddr, size); in do_bsd_shmdt()
/openbmc/linux/include/linux/
H A Dshm.h17 long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr,
27 static inline long do_shmat(int shmid, char __user *shmaddr, in do_shmat() argument
H A Dsyscalls.h729 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
730 asmlinkage long sys_shmdt(char __user *shmaddr);
1261 long ksys_shmdt(char __user *shmaddr);
H A Dsecurity.h467 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
1315 char __user *shmaddr, int shmflg) in security_shm_shmat() argument
H A Dlsm_hook_defs.h256 LSM_HOOK(int, 0, shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr,
H A Dcompat.h751 asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
/openbmc/qemu/linux-user/
H A Dmmap.c1059 abi_ulong shmaddr, int shmflg) in target_shmat() argument
1078 if (shmaddr & (shmlba - 1)) { in target_shmat()
1080 shmaddr &= ~(shmlba - 1); in target_shmat()
1093 if (shmaddr) { in target_shmat()
1137 abi_long target_shmdt(abi_ulong shmaddr) in target_shmdt() argument
1144 abi_ulong last = shm_region_find(shmaddr); in target_shmdt()
1149 rv = get_errno(shmdt(g2h_untagged(shmaddr))); in target_shmdt()
1151 abi_ulong size = last - shmaddr + 1; in target_shmdt()
1153 page_set_flags(shmaddr, last, 0); in target_shmdt()
1154 shm_region_rm_complete(shmaddr, last); in target_shmdt()
[all …]
H A Duser-mmap.h62 abi_ulong shmaddr, int shmflg);
63 abi_long target_shmdt(abi_ulong shmaddr);
/openbmc/linux/tools/testing/selftests/powerpc/benchmarks/
H A Dcontext_switch.c329 void *shmaddr; in futex_setup() local
337 shmaddr = shmat(shmid, NULL, 0); in futex_setup()
338 if (shmaddr == (char *)-1) { in futex_setup()
346 m1 = shmaddr; in futex_setup()
347 m2 = shmaddr + sizeof(*m1); in futex_setup()
/openbmc/linux/arch/xtensa/kernel/
H A Dsyscall.c39 asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) in xtensa_shmat() argument
44 err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA); in xtensa_shmat()
/openbmc/linux/Documentation/arch/sparc/
H A Dadi.rst187 char *shmaddr, *tmp_addr, *end, *veraddr, *clraddr;
219 shmaddr = shmat(shmid, NULL, 0);
220 if (shmaddr == (char *)-1) {
226 if (mprotect(shmaddr, BUFFER_SIZE, PROT_READ|PROT_WRITE|PROT_ADI)) {
234 tmp_addr = shmaddr;
235 end = shmaddr + BUFFER_SIZE;
248 tmp_addr = (void *) ((unsigned long)shmaddr << adi_nbits);
270 if (mprotect(shmaddr, BUFFER_SIZE, PROT_READ|PROT_WRITE)) {
275 if (shmdt((const void *)shmaddr) != 0)
282 if (shmdt((const void *)shmaddr) != 0)
/openbmc/linux/ipc/
H A Dshm.c1522 long do_shmat(int shmid, char __user *shmaddr, int shmflg, in do_shmat() argument
1526 unsigned long addr = (unsigned long)shmaddr; in do_shmat()
1595 err = security_shm_shmat(&shp->shm_perm, shmaddr, shmflg); in do_shmat()
1696 SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg) in SYSCALL_DEFINE3() argument
1701 err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA); in SYSCALL_DEFINE3()
1714 COMPAT_SYSCALL_DEFINE3(shmat, int, shmid, compat_uptr_t, shmaddr, int, shmflg) in COMPAT_SYSCALL_DEFINE3() argument
1719 err = do_shmat(shmid, compat_ptr(shmaddr), shmflg, &ret, COMPAT_SHMLBA); in COMPAT_SYSCALL_DEFINE3()
1731 long ksys_shmdt(char __user *shmaddr) in ksys_shmdt() argument
1735 unsigned long addr = (unsigned long)shmaddr; in ksys_shmdt()
1837 SYSCALL_DEFINE1(shmdt, char __user *, shmaddr) in SYSCALL_DEFINE1() argument
[all …]
/openbmc/linux/Documentation/arch/ia64/
H A Derr_inject.rst305 void *shmaddr;
336 shmaddr = shmat(shmid, (void *)SHM_VA, 0);
337 if (shmaddr == (void*)-1) {
342 memset(shmaddr, 0, SHM_SIZE);
343 mlock(shmaddr, SHM_SIZE);
350 munlock(shmaddr, SHM_SIZE);
351 shmdt(shmaddr);
865 va1=shmaddr+parameters[i].cpu*PAGE_SIZE;
866 va2=shmaddr+parameters[i].cpu*PAGE_SIZE+PAGE_SIZE;
/openbmc/linux/security/
H A Dsecurity.c3718 char __user *shmaddr, int shmflg) in security_shm_shmat() argument
3720 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); in security_shm_shmat()
/openbmc/linux/security/smack/
H A Dsmack_lsm.c3180 static int smack_shm_shmat(struct kern_ipc_perm *isp, char __user *shmaddr, in smack_shm_shmat() argument
/openbmc/linux/security/selinux/
H A Dhooks.c6186 char __user *shmaddr, int shmflg) in selinux_shm_shmat() argument