From 1b1e2a2c5794df1f475976062c754651827634a9 Mon Sep 17 00:00:00 2001
From: Peng Lyu <penn.lv@gmail.com>
Date: Thu, 17 Nov 2022 18:36:07 -0800
Subject: [PATCH] Add previously selected kernel to MRU on switching. (#166662)

---
 .../browser/viewParts/notebookKernelQuickPickStrategy.ts     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/vs/workbench/contrib/notebook/browser/viewParts/notebookKernelQuickPickStrategy.ts b/src/vs/workbench/contrib/notebook/browser/viewParts/notebookKernelQuickPickStrategy.ts
index 42c1c85787d78..3c18218c1a40b 100644
--- a/src/vs/workbench/contrib/notebook/browser/viewParts/notebookKernelQuickPickStrategy.ts
+++ b/src/vs/workbench/contrib/notebook/browser/viewParts/notebookKernelQuickPickStrategy.ts
@@ -638,6 +638,11 @@ export class KernelPickerMRUStrategy extends KernelPickerStrategyBase {
 	}
 
 	protected override _selecteKernel(notebook: NotebookTextModel, kernel: INotebookKernel): void {
+		const currentInfo = this._notebookKernelService.getMatchingKernel(notebook);
+		if (currentInfo.selected) {
+			// there is already a selected kernel
+			this._notebookKernelHistoryService.addMostRecentKernel(currentInfo.selected);
+		}
 		super._selecteKernel(notebook, kernel);
 		this._notebookKernelHistoryService.addMostRecentKernel(kernel);
 	}