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Code Issues Releases Activity

Silence ACPI RTC error/warning in Linux guests.

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Allow guests to	set the	RTC bit	in the ACPI PM control register.
This eliminates an annoying	(and harmless) Linux kernel boot message.

PR:	244721
Submitted by:	Jose Luis Duran
MFC after:	1 week
This commit is contained in:
Peter Grehan 2020-07-06 08:36:14 +00:00
parent 9b0c2e5909
commit 6a7ff0600b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=362952
1 changed files with 1 additions and 1 deletions
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2
usr.sbin/bhyve/pm.c
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@ -198,7 +198,7 @@ pm1_enable_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
* the global lock, but ACPI-CA whines profusely if it
* can't set GBL_EN.
*/
pm1_enable = *eax & (PM1_PWRBTN_EN | PM1_GBL_EN);
pm1_enable = *eax & (PM1_RTC_EN | PM1_PWRBTN_EN | PM1_GBL_EN);
sci_update(ctx);
}
pthread_mutex_unlock(&pm_lock);