[PATCH v4] mm: Give kmap_lock before call flush_tlb_kernel_rang，avoid kmap_high deadlock.

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To: <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: [PATCH v4] mm: Give kmap_lock before call flush_tlb_kernel_rang，avoid kmap_high deadlock.
From: zhangchun <zhang.chuna@xxxxxxx>
Date: Tue, 18 Feb 2025 14:30:52 +0800
Cc: <zhang.chuna@xxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <shaohaojize@xxxxxxx>, <zhang.zhansheng@xxxxxxx>
In-reply-to: <1730387884-57777-1-git-send-email-zhang.chuna@h3c.com>
References: <1730387884-57777-1-git-send-email-zhang.chuna@h3c.com>

Very sorry to disturb! Just a friendly ping! Half a year has passed, this deadlock bug is 
necessary to fix! If any additional info needs, please contact. Long for your reply!

-- 
1.8.3.1

References:
- [PATCH v4] mm: Give kmap_lock before call flush_tlb_kernel_rang，avoid kmap_high deadlock.
  - From: zhangchun

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