linux-kernel - [PATCH -next v2] drm/amdgpu: use list_move instead of list_del/list_add in amdgpu

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Message-ID: <20210609070831.1329840-1-libaokun1@huawei.com>
Date:   Wed, 9 Jun 2021 15:08:31 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Nirmoy Das <nirmoy.das@....com>,
        Philip Yang <Philip.Yang@....com>,
        Mihir Bhogilal Patel <Mihir.Patel@....com>,
        Roy Sun <Roy.Sun@....com>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <yukuai3@...wei.com>,
        <libaokun1@...wei.com>, <amd-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-media@...r.kernel.org>,
        <linaro-mm-sig@...ts.linaro.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next v2] drm/amdgpu: use list_move instead of list_del/list_add in amdgpu_vm.c

Using list_move() instead of list_del() + list_add() in amdgpu_vm.c.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Baokun Li <libaokun1@...wei.com>
---
V1->V2:
	CC mailist

 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 9e3ab3b6c105..684c13aae4d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2518,8 +2518,7 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
 			list_add(&after->list, &tmp->bo_va->invalids);
 		}
 
-		list_del(&tmp->list);
-		list_add(&tmp->list, &removed);
+		list_move(&tmp->list, &removed);
 
 		tmp = amdgpu_vm_it_iter_next(tmp, saddr, eaddr);
 	}