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Tue, 2 Sep 2025 16:53:02 +0800 (CST) Date: Tue, 2 Sep 2025 16:53:02 +0800 (CST) From: "Lange Tang" To: "Jakub Kicinski" Cc: "davem@davemloft.net" , "edumazet@google.com" , "pabeni@redhat.com" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Tang Longjun" Subject: Re:Re: [PATCH] net: remove local_bh_enable during busy poll X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20250519(9504565a) Copyright (c) 2002-2025 www.mailtech.cn 163com In-Reply-To: <20250901132330.589f4ac5@kernel.org> References: <20250829030456.489405-1-lange_tang@163.com> <20250901132330.589f4ac5@kernel.org> X-NTES-SC: AL_Qu2eBPSbvEkj5CSRZ+kfmUgRg+c/XsK4svUj24VVOJF8jDjp+iAMT39DD2nk2eyUMh22vBiXXBFu6dZQUJhoeoQQYkl/RDds6QPpk/x3NISRFg== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <2e29147c.8583.19909a12fa2.Coremail.lange_tang@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:bygvCgD3H7ZusLZopkkmAA--.2357W X-CM-SenderInfo: 5odqwvxbwd0wi6rwjhhfrp/1tbiXR28Lmi2q+ZfngADsD X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== VGhhbmtzIGZvciB5b3VyIHJlcGx5IQoKSSd2ZSBkb25lIHNvbWUgdGVzdGluZywgcHBzPTM1MDAw MKOsbmV0LmNvcmUuYnVzeV9yZWFkPTUwLgoKQmVmb3JlIGFwcGx5IHRoaXMgcGF0Y2g6IHVuaGFu ZGxlZCCh1iA2NDAwL3MKQWZ0ZXIgYXBwbHkgdGhpcyBwYXRjaDogdW5oYW5kbGVkIDwgMTAvcwoK QXMgeW91IHNhaWQsIHRoZSBkcml2ZXIgbmVlZHMgdG8gZGlzY2VybiBzcHVyaW91cyBpbnRlcnJ1 cHRzIGluIGFib3ZlIGRlc2NyaWJpbmcgc2l0dWF0aW9uLCB3aGljaCBJIHN0cm9uZ2x5IGFncmVl IHdpdGguIGFuZCBJIGFsc28gdGhpbmsgdGhhdCBpdCdzIG5lY2Vzc2FyeSB0byByZW1vdmUgbG9j YWxfYmhfZW5hYmxlIGR1cmluZyBidXN5IHBvbGxpbmcsIGFzIGl0IGNhdXNlcyBpbnRlcnJ1cHRz IHRvIGJlIGVuYWJsZWQgZHVyaW5nIHRoZSBidXN5IHBvbGwuCgpJIHRoaW5rIGZpeCB0aGlzIGlz c3VlIHJlcXVpcmVzIHR3byBwYXRjaGVzLCBpbiBhZGRpdGlvbiB0byB0aGlzIHBhdGNoLCBhbm90 aGVyIHBhdGNoIGlzIG5lZWRlZCBmcm9tIHRoZSBkcml2ZXIgc2lkZSB0byBkaXNjZXJuIHNwdXJp b3VzIGludGVycnVwdHMuCgoKCgoKCkF0IDIwMjUtMDktMDIgMDQ6MjM6MzAsICJKYWt1YiBLaWNp bnNraSIgPGt1YmFAa2VybmVsLm9yZz4gd3JvdGU6Cj5PbiBGcmksIDI5IEF1ZyAyMDI1IDExOjA0 OjU2ICswODAwIExvbmdqdW4gVGFuZyB3cm90ZToKPj4gV2hlbiBDT05GSUdfTkVUX1JYX0JVU1lf UE9MTD09WSBhbmQgbmV0LmNvcmUuYnVzeV9yZWFkID4gMCwKPj4gdGhlIF9fbmFwaV9idXN5X2xv b3AgZnVuY3Rpb24gY2FsbHMgbmFwaV9wb2xsIHRvIHBlcmZvcm0gYnVzeSBwb2xsaW5nLAo+PiBz dWNoIGFzIGluIHRoZSBjYXNlIG9mIHZpcnRpb19uZXQncyB2aXJuZXRfcG9sbC4gSWYgaW50ZXJy dXB0cyBhcmUgZW5hYmxlZAo+PiBkdXJpbmcgdGhlIGJ1c3kgcG9sbGluZyBwcm9jZXNzLCBpdCBp cyBwb3NzaWJsZSB0aGF0IGRhdGEgaGFzIGFscmVhZHkgYmVlbgo+PiByZWNlaXZlZCBhbmQgdGhh dCBsYXN0X3VzZWRfaWR4IGlzIHVwZGF0ZWQgYmVmb3JlIHRoZSBpbnRlcnJ1cHQgaXMgaGFuZGxl ZC4KPj4gVGhpcyBjYW4gbGVhZCB0byB0aGUgdnJpbmdfaW50ZXJydXB0IHJldHVybmluZyBJUlFf Tk9ORSBpbiByZXNwb25zZSB0byB0aGUKPj4gaW50ZXJydXB0IGJlY2F1c2UgdXNlZF9pZHggPT0g bGFzdF91c2VkX2lkeCwgd2hpY2ggaXMgY29uc2lkZXJlZCBhIHNwdXJpb3VzCj4+IGludGVycnVw dC5PbmNlIGNlcnRhaW4gY29uZGl0aW9ucyBhcmUgbWV0LCB0aGlzIGludGVycnVwdCBjYW4gYmUg ZGlzYWJsZWQuCj4KPkknbSBub3Qgc3VyZSB0aGlzIHBhdGNoIGNvbXBsZXRlbHkgZml4ZXMgdGhl IGlzc3VlIHlvdSdyZSBkZXNjcmliaW5nLgo+SXQganVzdCBtYWtlcyBpdCBsZXNzIGxpa2VseSB0 byBoYXBwZW4uIFJlYWxseSwgaXQgZmVlbHMgbGlrZSB0aGUgb251cwo+Zm9yIGZpeGluZyB0aGlz IGlzIG9uIHRoZSBkcml2ZXIgdGhhdCBjYW4ndCBkaXNjZXJuIGl0cyBvd24gSVJRIHNvdXJjZXMu Cj4tLSAKPnB3LWJvdDogY3IK