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- Detect Bochs BIOS variants and use HZ_VM as well.

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- Free kernel environment variable after its use.
- Fix style(9) nits.
This commit is contained in:
Jung-uk Kim 2008-12-08 18:39:59 +00:00
parent 18f815b95c
commit 9bd2cbe43f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=185772
1 changed files with 25 additions and 12 deletions
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37
sys/kern/subr_param.c
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@ -118,6 +118,13 @@ SYSCTL_ULONG(_kern, OID_AUTO, sgrowsiz, CTLFLAG_RDTUN, &sgrowsiz, 0,
*/
struct buf *swbuf;
static const char *const vm_bnames[] = {
"QEMU", /* QEMU */
"Plex86", /* Plex86 */
"Bochs", /* Bochs */
NULL
};
static const char *const vm_pnames[] = {
"VMware Virtual Platform", /* VMWare VM */
"Virtual Machine", /* Microsoft VirtualPC */
@ -132,14 +139,25 @@ detect_virtual(void)
char *sysenv;
int i;
sysenv = getenv("smbios.bios.vendor");
if (sysenv != NULL) {
for (i = 0; vm_bnames[i] != NULL; i++)
if (strcmp(sysenv, vm_bnames[i]) == 0) {
freeenv(sysenv);
return (1);
}
freeenv(sysenv);
}
sysenv = getenv("smbios.system.product");
if (sysenv != NULL) {
for (i = 0; vm_pnames[i] != NULL; i++) {
if (strcmp(sysenv, vm_pnames[i]) == 0)
return 1;
}
for (i = 0; vm_pnames[i] != NULL; i++)
if (strcmp(sysenv, vm_pnames[i]) == 0) {
freeenv(sysenv);
return (1);
}
freeenv(sysenv);
}
return 0;
return (0);
}
/*
@ -151,13 +169,8 @@ init_param1(void)
hz = -1;
TUNABLE_INT_FETCH("kern.hz", &hz);
if (hz == -1) {
if (detect_virtual()) {
hz = HZ_VM;
} else {
hz = HZ;
}
}
if (hz == -1)
hz = detect_virtual() ? HZ_VM : HZ;
tick = 1000000 / hz;
#ifdef VM_SWZONE_SIZE_MAX