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authordes <des@FreeBSD.org>2004-10-31 15:50:33 +0000
committerdes <des@FreeBSD.org>2004-10-31 15:50:33 +0000
commit22d75b597a9940a02c015527c38646782f9ee3a1 (patch)
tree28e07b26ade58685bdf19420484440063653d800 /sys/amd64/pci
parent871722fc592554929f8b11fe1281250ed4096621 (diff)
downloadFreeBSD-src-22d75b597a9940a02c015527c38646782f9ee3a1.zip
FreeBSD-src-22d75b597a9940a02c015527c38646782f9ee3a1.tar.gz
Add TUNABLE_LONG and TUNABLE_ULONG, and use the latter for the
hw.pci.host_mem_start tunable. Add comments to TUNABLE_INT and TUNABLE_QUAD recommending against their use. MFC after: 3 weeks
Diffstat (limited to 'sys/amd64/pci')
-rw-r--r--sys/amd64/pci/pci_bus.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/amd64/pci/pci_bus.c b/sys/amd64/pci/pci_bus.c
index a85dd19..75e118a 100644
--- a/sys/amd64/pci/pci_bus.c
+++ b/sys/amd64/pci/pci_bus.c
@@ -266,10 +266,9 @@ legacy_pcib_write_ivar(device_t dev, device_t child, int which,
SYSCTL_DECL(_hw_pci);
-static int legacy_host_mem_start = 0x80000000;
-/* No TUNABLE_ULONG :-( */
-TUNABLE_INT("hw.pci.host_mem_start", &legacy_host_mem_start);
-SYSCTL_INT(_hw_pci, OID_AUTO, host_mem_start, CTLFLAG_RDTUN,
+static unsigned long legacy_host_mem_start = 0x80000000;
+TUNABLE_ULONG("hw.pci.host_mem_start", &legacy_host_mem_start);
+SYSCTL_ULONG(_hw_pci, OID_AUTO, host_mem_start, CTLFLAG_RDTUN,
&legacy_host_mem_start, 0x80000000,
"Limit the host bridge memory to being above this address. Must be\n\
set at boot via a tunable.");
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