On 8/08/2020 4:40 am, Alexander Motin wrote:
Author: mav
Date: Fri Aug 7 18:40:56 2020
New Revision: 364038
URL: https://svnweb.freebsd.org/changeset/base/364038
Log:
Enable hw.pci.enable_aspm tunable by default.
While effects on power saving is only a guess, effects on hot-plug are
clearly visible. Lets try to enable it and see what happen.
MFC after: 3 months
Modified:
head/sys/dev/pci/pci.c
Modified: head/sys/dev/pci/pci.c
==============================================================================
--- head/sys/dev/pci/pci.c Fri Aug 7 18:38:10 2020 (r364037)
+++ head/sys/dev/pci/pci.c Fri Aug 7 18:40:56 2020 (r364038)
@@ -408,7 +408,7 @@ static int pci_enable_ari = 1;
SYSCTL_INT(_hw_pci, OID_AUTO, enable_ari, CTLFLAG_RDTUN, &pci_enable_ari,
0, "Enable support for PCIe Alternative RID Interpretation");
-int pci_enable_aspm;
+int pci_enable_aspm = 1;
SYSCTL_INT(_hw_pci, OID_AUTO, enable_aspm, CTLFLAG_RDTUN, &pci_enable_aspm,
0, "Enable support for PCIe Active State Power Management");
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