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treat /var/opt/FJSVtcs/ple/daemonif/ as device file (Fugaku specific)

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Change-Id: I047ec793a082f2fede3f2bd9c5fb358a30b8ea84
This commit is contained in:
Masamichi Takagi
2020-06-15 13:03:37 +09:00
parent 6f3be17c19
commit 97b107f61c
1 changed files with 7 additions and 3 deletions
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10
executer/kernel/mcctrl/syscall.c
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@ -980,8 +980,10 @@ static int pager_req_create(ihk_os_t os, int fd, uintptr_t result_pa)
fullpath = d_path(&file->f_path, pathbuf, PATH_MAX); fullpath = d_path(&file->f_path, pathbuf, PATH_MAX);
if (!IS_ERR(fullpath)) { if (!IS_ERR(fullpath)) {
if (!strncmp("/tmp/ompi.", fullpath, 10) || if (!strncmp("/tmp/ompi.", fullpath, 10) ||
!strncmp("/dev/shm/", fullpath, 9)) { !strncmp("/dev/shm/", fullpath, 9) ||
dprintk("%s: treating %s as a device file..\n", (!strncmp("/var/opt/FJSVtcs/ple/daemonif/",
fullpath, 30) && !strstr(fullpath, "dstore_sm.lock"))) {
printk("%s: treating %s as a device file..\n",
__func__, fullpath); __func__, fullpath);
kfree(pathbuf); kfree(pathbuf);
@ -1441,7 +1443,9 @@ static int pager_req_map(ihk_os_t os, int fd, size_t len, off_t off,
fullpath = d_path(&file->f_path, pathbuf, PATH_MAX); fullpath = d_path(&file->f_path, pathbuf, PATH_MAX);
if (!IS_ERR(fullpath)) { if (!IS_ERR(fullpath)) {
if (!strncmp("/tmp/ompi.", fullpath, 10) || if (!strncmp("/tmp/ompi.", fullpath, 10) ||
!strncmp("/dev/shm/", fullpath, 9)) { !strncmp("/dev/shm/", fullpath, 9) ||
!strncmp("/var/opt/FJSVtcs/ple/daemonif/",
fullpath, 30)) {
dprintk("%s: pre-populating %s..\n", dprintk("%s: pre-populating %s..\n",
__func__, fullpath); __func__, fullpath);
prot_and_flags |= MAP_POPULATE; prot_and_flags |= MAP_POPULATE;