From: rsun3 <rsun3@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 25 Nov 2011 02:55:43 +0000 (+0000)
Subject: UefiCpuPkg MTRR Library: Remove a buggy check logic in MtrrSetMemoryAttribute() that... 
X-Git-Tag: edk2-stable201903~13836
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=f5b315e525101eafc431c868ee925bfd222311f6

UefiCpuPkg MTRR Library: Remove a buggy check logic in MtrrSetMemoryAttribute() that may incorrectly RETURN_OUT_OF_RESOURCES in some cases.

Signed-off-by: rsun3
Reviewed-by: vanjeff



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12780 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
index 5f1a22c5fd..bcf5e20459 100644
--- a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
+++ b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
@@ -1026,16 +1026,6 @@ MtrrSetMemoryAttribute (
     }
   }
 
-  //
-  // Program Variable MTRRs
-  //
-  // Avoid hardcode here and read data dynamically
-  //
-  if (UsedMtrr >= FirmwareVariableMtrrCount) {
-    Status = RETURN_OUT_OF_RESOURCES;
-    goto Done;
-  }
-
   //
   // The memory type is the same with the type specified by
   // MTRR_LIB_IA32_MTRR_DEF_TYPE.