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From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io
Cc: Laszlo Ersek <lersek@redhat.com>, Ray Ni <ray.ni@intel.com>,
	Rahul Kumar <rahul1.kumar@intel.com>,
	Oliver Steffen <osteffen@redhat.com>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: [edk2-devel] [PATCH v3 6/6] UefiCpuPkg/MpInitLib: return early in GetBspNumber()
Date: Thu, 22 Feb 2024 17:01:06 +0100	[thread overview]
Message-ID: <20240222160106.686484-7-kraxel@redhat.com> (raw)
In-Reply-To: <20240222160106.686484-1-kraxel@redhat.com>

After finding the BSP Number return the result instead of
continuing to loop over the remaining processors.

Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 UefiCpuPkg/Library/MpInitLib/MpLib.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index 4b6d6d02b027..2051554207dc 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -1903,15 +1903,13 @@ GetBspNumber (
   )
 {
   UINT32             ApicId;
-  UINT32             BspNumber;
   UINT32             Index;
   CONST MP_HAND_OFF  *MpHandOff;
 
   //
   // Get the processor number for the BSP
   //
-  BspNumber = MAX_UINT32;
-  ApicId    = GetInitialApicId ();
+  ApicId = GetInitialApicId ();
 
   for (MpHandOff = FirstMpHandOff;
        MpHandOff != NULL;
@@ -1919,14 +1917,13 @@ GetBspNumber (
   {
     for (Index = 0; Index < MpHandOff->CpuCount; Index++) {
       if (MpHandOff->Info[Index].ApicId == ApicId) {
-        BspNumber = MpHandOff->ProcessorIndex + Index;
+        return MpHandOff->ProcessorIndex + Index;
       }
     }
   }
 
-  ASSERT (BspNumber != MAX_UINT32);
-
-  return BspNumber;
+  ASSERT (FALSE);
+  return 0;
 }
 
 /**
-- 
2.43.2



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  parent reply	other threads:[~2024-02-22 16:01 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-22 16:01 [edk2-devel] [PATCH v3 0/6] UefiCpuPkg/MpInitLib: Add support for multiple MP_HAND_OFF HOBs Gerd Hoffmann
2024-02-22 16:01 ` [edk2-devel] [PATCH v3 1/6] UefiCpuPkg/MpInitLib: Add support for multiple HOBs to GetMpHandOffHob Gerd Hoffmann
2024-02-23  2:35   ` Ni, Ray
2024-02-26 13:42     ` Laszlo Ersek
2024-02-22 16:01 ` [edk2-devel] [PATCH v3 2/6] UefiCpuPkg/MpInitLib: Add support for multiple HOBs to GetBspNumber() Gerd Hoffmann
2024-02-22 16:01 ` [edk2-devel] [PATCH v3 3/6] UefiCpuPkg/MpInitLib: Add support for multiple HOBs to SwitchApContext() Gerd Hoffmann
2024-02-22 16:01 ` [edk2-devel] [PATCH v3 4/6] UefiCpuPkg/MpInitLib: Add support for multiple HOBs to MpInitLibInitialize Gerd Hoffmann
2024-02-26 13:51   ` Laszlo Ersek
2024-02-22 16:01 ` [edk2-devel] [PATCH v3 5/6] UefiCpuPkg/MpInitLib: Add support for multiple HOBs to SaveCpuMpData() Gerd Hoffmann
2024-02-23  2:16   ` Ni, Ray
2024-02-26 13:55     ` Laszlo Ersek
2024-02-26 13:55   ` Laszlo Ersek
2024-02-22 16:01 ` Gerd Hoffmann [this message]
2024-02-23  2:33   ` [edk2-devel] [PATCH v3 6/6] UefiCpuPkg/MpInitLib: return early in GetBspNumber() Ni, Ray
2024-02-26 13:59     ` Laszlo Ersek
2024-02-26 14:01   ` Laszlo Ersek
2024-02-26 15:08 ` [edk2-devel] [PATCH v3 0/6] UefiCpuPkg/MpInitLib: Add support for multiple MP_HAND_OFF HOBs Laszlo Ersek
2024-02-26 15:41   ` Joey Vagedes via groups.io
2024-02-26 16:01     ` Laszlo Ersek
2024-02-26 16:02     ` Laszlo Ersek
2024-02-26 15:19 ` Laszlo Ersek
2024-02-26 22:17   ` Laszlo Ersek
2024-02-27  6:28   ` Ni, Ray
2024-02-27 12:11     ` Laszlo Ersek

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