svn commit: r368050 - stable/12/usr.sbin/bhyve

[Konstantin Belousov]

Author: kib
Date: Thu Nov 26 07:30:29 2020
New Revision: 368050
URL: https://svnweb.freebsd.org/changeset/base/368050

Log:
  MFC r367607:
  bhyve: increase allowed size for 64bit BAR allocation below 4G from 32 to 128 MB.

Modified:
  stable/12/usr.sbin/bhyve/pci_emul.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/usr.sbin/bhyve/pci_emul.c
==============================================================================
--- stable/12/usr.sbin/bhyve/pci_emul.c	Thu Nov 26 07:29:28 2020	(r368049)
+++ stable/12/usr.sbin/bhyve/pci_emul.c	Thu Nov 26 07:30:29 2020	(r368050)
@@ -624,9 +624,9 @@ pci_emul_alloc_pbar(struct pci_devinst *pdi, int idx, 
 		 * Some drivers do not work well if the 64-bit BAR is allocated
 		 * above 4GB. Allow for this by allocating small requests under
 		 * 4GB unless then allocation size is larger than some arbitrary
-		 * number (32MB currently).
+		 * number (128MB currently).
 		 */
-		if (size > 32 * 1024 * 1024) {
+		if (size > 128 * 1024 * 1024) {
 			/*
 			 * XXX special case for device requiring peer-peer DMA
 			 */