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mcexec: --enable-hfi1 to runtime enable/disable HFI1 driver

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Conflicts:
	executer/user/mcexec.c
This commit is contained in:
Balazs Gerofi
2017-08-24 23:01:27 +09:00
parent 70238982c2
commit 122588bc4d
6 changed files with 22 additions and 1 deletions
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12
executer/user/mcexec.c
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@ -221,6 +221,7 @@ static int mpol_no_stack = 0;
static int mpol_no_bss = 0;
static int mpol_shm_premap = 0;
static int no_bind_ikc_map = 0;
static int hfi1_enabled = 0;
static unsigned long mpol_threshold = 0;
static unsigned long heap_extension = (4*1024);
static int profile = 0;
@ -1753,6 +1754,12 @@ static struct option mcexec_options[] = {
.flag = &disable_sched_yield,
.val = 1,
},
{
.name = "enable-hfi1",
.has_arg = no_argument,
.flag = &hfi1_enabled,
.val = 1,
},
{
.name = "extend-heap-by",
.has_arg = required_argument,
@ -2535,6 +2542,11 @@ int main(int argc, char **argv)
}
}
desc->mcexec_flags = 0;
if (hfi1_enabled) {
desc->mcexec_flags |= MCEXEC_HFI1;
}
if (ioctl(fd, MCEXEC_UP_PREPARE_IMAGE, (unsigned long)desc) != 0) {
perror("prepare");
close(fd);