Author: kib
Date: Wed Sep 7 14:01:58 2016
New Revision: 305538
URL: https://svnweb.freebsd.org/changeset/base/305538
Log:
MFC r304279:
By default, allow all to read the HPET registers pages. At the same
time, by, by default disallow writes to the mmaped HPET pages.
Modified:
stable/11/sys/dev/acpica/acpi_hpet.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/dev/acpica/acpi_hpet.c
==============================================================================
--- stable/11/sys/dev/acpica/acpi_hpet.c Wed Sep 7 13:57:06 2016
(r305537)
+++ stable/11/sys/dev/acpica/acpi_hpet.c Wed Sep 7 14:01:58 2016
(r305538)
@@ -762,14 +762,14 @@ hpet_attach(device_t dev)
mda.mda_devsw = &hpet_cdevsw;
mda.mda_uid = UID_ROOT;
mda.mda_gid = GID_WHEEL;
- mda.mda_mode = 0600;
+ mda.mda_mode = 0644;
mda.mda_si_drv1 = sc;
error = make_dev_s(&mda, &sc->pdev, "hpet%d", device_get_unit(dev));
if (error == 0) {
sc->mmap_allow = 1;
TUNABLE_INT_FETCH("hw.acpi.hpet.mmap_allow",
&sc->mmap_allow);
- sc->mmap_allow_write = 1;
+ sc->mmap_allow_write = 0;
TUNABLE_INT_FETCH("hw.acpi.hpet.mmap_allow_write",
&sc->mmap_allow_write);
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
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