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Mon, 21 Sep 2026 18:28:00 +0800 (CST) From: Lin Junzhe To: John Ogness Cc: Petr Mladek Cc: Steven Rostedt Cc: Sergey Senozhatsky Cc: linux-kernel@vger.kernel.org Cc: m18667909625@163.com Subject: Re: [PATCH] printk: fold consecutive duplicate messages Date: Sun, 21 Sep 2026 18:30:00 +0800 Message-ID: <20260921183000.1-m18667909625@163.com> In-Reply-To: <875wzzoxcd.fsf@jogness.linutronix.de> References: <20260921050304.73440-1-m18667909625@163.com> <875wzzoxcd.fsf@jogness.linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-CM-TRANSID:_____wCHwJOvBrFqGae3CA--.37646S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7Ar13GFWrKry5JFy7XFWrKrg_yoW8tryrpF ZIgrs5Kr4DGF18uwn7Zw18W34S9ws3KrZrGrn5J34Fva909Fy29r4Sqw4Yv3ykKr48ua9F yF1jq3ZrCFWvkaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0JUyyxNUUUUU= X-CM-SenderInfo: bpryllixzqmlisv6il2tof0z/xtbC-RG0umqxBrEk4wAA3J SGkgSm9obiwKClRoYW5rcyBmb3IgdGhlIHJldmlldy4KCj4gQ291bGQgeW91IHByb3ZpZGUgc29t ZSBleGFtcGxlcyBvZiBjb25zb2xlcyBiZWluZyBmbG9vZGVkIHdpdGgKPiB0aGUgc2FtZSBtZXNz YWdlPyBEb2Vzbid0IHNvdW5kIGxpa2UgYSByZWFsIGNhc2UgdG8gbWUuCgpSZWFsIGNhc2VzIEkg aGF2ZSBzZWVuIGluIHRoZSBmaWVsZCBhbmQgaW4gYnVnIHJlcG9ydHM6CgoxLiBHUFUgZmF1bHRz IChub3V2ZWF1KTogYSBtaXNiZWhhdmluZyB1c2Vyc3BhY2UgcHJvZ3JhbSBvciBhIGR5aW5nCiAg IEdQVSBjYW4gdHJpZ2dlciBhIHN0cmVhbSBvZiBpZGVudGljYWwgZmF1bHQgcmVwb3J0cyBmcm9t IHRoZQogICBpbi10cmVlIG5vdXZlYXUgZHJpdmVyLCBlLmcuIHJlcGVhdGVkICJmaWZvOiBmYXVs dCBhdCAuLi4iIGxpbmVzCiAgIHdoaWxlIHRoZSBvZmZlbmRpbmcgY29udGV4dCBrZWVwcyBiZWlu ZyByZXNjaGVkdWxlZC4gU2ltaWxhcgogICBzcGFtIGV4aXN0cyBmb3Igb3RoZXIgR1BVIGRyaXZl cnMgd2hlbiBhIGZlbmNlIG9yIHNjaGVkdWxlcgogICBsb29wIG1pc2JlaGF2ZXMuCgoyLiBGYWls aW5nIHN0b3JhZ2U6IGEgZHlpbmcgU0FUQSBkaXNrIHByb2R1Y2VzIGVuZGxlc3MgaWRlbnRpY2Fs CiAgICJhdGExLjAwOiBmYWlsZWQgY29tbWFuZCIgLyAiYXRhMTogU0Vycm9yIiBzdG9ybXMuIFRo aXMgaXMgYQogICBjbGFzc2ljIGRtZXNnIGZsb29kIHRoYXQgYnVyaWVzIGV2ZXJ5dGhpbmcgZWxz ZSBvbiBtYWNoaW5lcwogICB3aXRoIGEgc2VyaWFsIGNvbnNvbGUgYW5kIG5vIHN5c2xvZ2QuCgoz LiBVU0IgcmVzZXQgbG9vcHM6IGEgZmxha3kgY2FibGUgb3IgcG9ydCBtYWtlcyB0aGUgVVNCIHN0 YWNrCiAgIHJlcGVhdGVkbHkgcHJpbnQgdGhlIGlkZW50aWNhbCAidXNiIFgtWTogcmVzZXQgPHNw ZWVkPiBVU0IKICAgZGV2aWNlIG51bWJlciBOIHVzaW5nIDxoY2Q+IiBsaW5lLCBzb21ldGltZXMg Zm9yIG1pbnV0ZXMuCgo0LiBJUlEgc3Rvcm1zOiBhbiB1bmhhbmRsZWQgbGV2ZWwtdHJpZ2dlcmVk IGludGVycnVwdCBwcmludHMgdGhlCiAgIGlkZW50aWNhbCAiaXJxIE46IG5vYm9keSBjYXJlZCIg cmVwb3J0IGZvciBldmVyeSByZXRyaWdnZXIKICAgdW50aWwgdGhlIElSUSBpcyBkaXNhYmxlZC4K CkluIGFsbCBmb3VyIGNhc2VzIHRoZSBtZXNzYWdlcyBjb21lIGZyb20ga2VybmVsLXNpZGUgcmF0 ZWxpbWl0cyBvcgplcnJvciBwYXRocyB0aGF0IHJlcGVhdCBhdCBsaW5lIHJhdGUsIGFuZCBvbiBz eXN0ZW1zIHdoZXJlIHRoZSBvbmx5Cm9ic2VydmFibGUgb3V0cHV0IGlzIHRoZSBrZXJuZWwgY29u c29sZSAoc2VyaWFsIGNvbnNvbGUsIGVhcmx5IGJvb3QsCm5ldGNvbnNvbGUpLCBubyB1c2Vyc3Bh Y2UgZGVkdXAgZXhpc3RzIHRvIHNhdmUgdGhlIGxvZy4KCj4gcHJpbnRrIGlzIE5NSSBzYWZlIGFu ZCBsb2NrbGVzcy4gSXQgbmVlZHMgdG8gcmVtYWluIHNvLgoKRnVsbHkgYWdyZWVkLCBhbmQgdGhh bmsgeW91IGZvciB0aGUgY2xlYXIgc3RhdGVtZW50LiBNeQppbXBsZW1lbnRhdGlvbiB0YWtlcyBh IHJhdyBzcGlubG9jayBpbiB2cHJpbnRrX2VtaXQoKSwgd2hpY2gKdmlvbGF0ZXMgZXhhY3RseSB0 aGF0IGludmFyaWFudCAtLSB0aGUgaW5fbm1pKCkgZ3VhcmQgb25seSBhdm9pZHMKdGhlIGRlYWRs b2NrIGJ5IGRpc2FibGluZyB0aGUgZmVhdHVyZSB3aGVyZSBpdCB3b3VsZCBiZSBtb3N0CmRhbmdl cm91cywgd2hpY2ggaXMgbm90IGFjY2VwdGFibGUgZWl0aGVyLgoKR2l2ZW4gdGhpcywgSSBzZWUg dHdvIG9wdGlvbnM6CgphKSBJIGRyb3AgdGhlIHBhdGNoIGVudGlyZWx5OyBvcgoKYikgSSByZXdv cmsgdGhlIGlkZWEgYXMgbG9ja2xlc3MgcGVyLUNQVS9wZXItY29uc29sZSBzdGF0ZSBhdCB0aGUK ICAgY29uc29sZSBvdXRwdXQgbGF5ZXIgKG9yIG9uIHRvcCBvZiBuYmNvbiksIHNvIHRoZSBwcmlu dGsKICAgZmFzdCBwYXRoIHN0YXlzIGxvY2stIGFuZCBOTUktc2FmZS4KClBsZWFzZSB0ZWxsIG1l IHdoZXRoZXIgKGIpIGlzIHdvcnRoIGV4cGxvcmluZyBvciB3aGV0aGVyIHRoZQpjb25zZW5zdXMg aXMgdGhhdCBkZWR1cGxpY2F0aW9uIGJlbG9uZ3MgaW4gdXNlcnNwYWNlIGFuZCAoYSkgaXMKdGhl IHJpZ2h0IG91dGNvbWUuIEVpdGhlciB3YXkgaXMgZmluZSB3aXRoIG1lLgoKQmVzdCByZWdhcmRz LArmnpfmv6zlk7IKCi0tCkFzc2lzdGVkLWJ5OiBBSSBjb2RpbmcgYXNzaXN0YW50IChkaXNjbG9z ZWQgcGVyIGtlcm5lbCBBSSBndWlkZWxpbmVzKQo=