From: Jan Beulich <jbeulich@suse.com>
Date: Wed, 20 Apr 2022 08:53:19 +0000 (+0200)
Subject: VT-d: drop ROOT_ENTRY_NR
X-Git-Tag: archive/raspbian/4.17.0-1+rpi1^2~33^2~727
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d94a9973794c2fb8c754be0cdd9ffe0edf1b0a8b;p=xen.git

VT-d: drop ROOT_ENTRY_NR

It's not only misplaced, but entirely unused.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
---

diff --git a/xen/drivers/passthrough/vtd/iommu.h b/xen/drivers/passthrough/vtd/iommu.h
index aca055f577..09ec09fe27 100644
--- a/xen/drivers/passthrough/vtd/iommu.h
+++ b/xen/drivers/passthrough/vtd/iommu.h
@@ -204,7 +204,6 @@ struct context_entry {
         __uint128_t full;
     };
 };
-#define ROOT_ENTRY_NR (PAGE_SIZE_4K/sizeof(struct root_entry))
 #define context_present(c) ((c).lo & 1)
 #define context_fault_disable(c) (((c).lo >> 1) & 1)
 #define context_translation_type(c) (((c).lo >> 2) & 3)