diff options
| author |   jsg <jsg@openbsd.org> | 2020-05-27 05:02:21 +0000 |
|---|---|---|
| committer | jsg <jsg@openbsd.org> | 2020-05-27 05:02:21 +0000 |
| commit | 9914efbf395e5d2d4059aa7ec3dba9e5e70bfaa3 (patch) | |
| tree | 302a935409cbad513e4d19e8b7a424235ee2e9dc | |
| parent | add support for pcap_breakloop when reading packets from files. (diff) | |
| download | wireguard-openbsd-9914efbf395e5d2d4059aa7ec3dba9e5e70bfaa3.tar.xz wireguard-openbsd-9914efbf395e5d2d4059aa7ec3dba9e5e70bfaa3.zip | |
limit clflush before monitor errata workaround to Intel
no functional change as clflush is currently only done on Intel
| -rw-r--r-- | sys/dev/acpi/acpicpu.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/acpi/acpicpu.c b/sys/dev/acpi/acpicpu.c index d61547ce535..ba806663a06 100644 --- a/sys/dev/acpi/acpicpu.c +++ b/sys/dev/acpi/acpicpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpicpu.c,v 1.84 2019/10/16 01:27:59 mlarkin Exp $ */ +/* $OpenBSD: acpicpu.c,v 1.85 2020/05/27 05:02:21 jsg Exp $ */ /* * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org> * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org> @@ -1224,7 +1224,8 @@ acpicpu_idle(void) atomic_setbits_int(&ci->ci_mwait, MWAIT_IDLING); if (cpu_is_idle(ci)) { /* intel errata AAI65: cflush before monitor */ - if (ci->ci_cflushsz != 0) { + if (ci->ci_cflushsz != 0 && + strcmp(cpu_vendor, "GenuineIntel") == 0) { membar_sync(); clflush((unsigned long)&ci->ci_mwait); membar_sync(); |