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d="scan'208";a="14069301" From: Igor Druzhinin To: Date: Mon, 16 Mar 2020 21:47:44 +0000 Message-ID: <1584395264-22913-1-git-send-email-igor.druzhinin@citrix.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] x86/shim: fix ballooning up the guest X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Igor Druzhinin , sstabellini@kernel.org, julien@xen.org, wl@xen.org, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, george.dunlap@citrix.com, jbeulich@suse.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) args.preempted as meaningless here and doesn't show if the hypercall was preempted before. Use start_extent instead which is correct. Signed-off-by: Igor Druzhinin Reviewed-by: Roger Pau Monn=C3=A9 --- This fixes ballooning for 64-bit PV guests inside shim. 32-bit PV guests require a little bit more work due to compat layer being involved. --- xen/common/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/common/memory.c b/xen/common/memory.c index 444c081..5fdd2a2 100644 --- a/xen/common/memory.c +++ b/xen/common/memory.c @@ -1191,7 +1191,7 @@ long do_memory_op(unsigned long cmd, XEN_GUEST_HANDLE= _PARAM(void) arg) } =20 #ifdef CONFIG_X86 - if ( pv_shim && op !=3D XENMEM_decrease_reservation && !args.preem= pted ) + if ( pv_shim && op !=3D XENMEM_decrease_reservation && !start_exte= nt ) /* Avoid calling pv_shim_online_memory when preempted. */ pv_shim_online_memory(args.nr_extents, args.extent_order); #endif --=20 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel