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(p200300d82f30ec008f7e58a4ebf06a36.dip0.t-ipconnect.de. [2003:d8:2f30:ec00:8f7e:58a4:ebf0:6a36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a4eacd7cc5sm905044f8f.73.2025.05.28.02.06.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 28 May 2025 02:06:11 -0700 (PDT) Message-ID: <876f65d0-e873-4c08-b404-db89e542e7a3@redhat.com> Date: Wed, 28 May 2025 11:06:10 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] x86/tlb/trace: Export the TLB_REMOTE_WRONG_CPU enum To: Tal Zussman , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Rik van Riel , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , x86@kernel.org Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org References: <20250528-tlb-trace-fix-v1-0-2e94c58f450d@columbia.edu> <20250528-tlb-trace-fix-v1-1-2e94c58f450d@columbia.edu> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20250528-tlb-trace-fix-v1-1-2e94c58f450d@columbia.edu> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 8d-MQRfoJ8t3Q0gyYsuctZhnqmogFoEf5G0OhzqepZI_1748423172 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 5E5B8100003 X-Stat-Signature: k6bk838r1o4psxi6gxaaou9nqz6z1gdg X-Rspam-User: X-HE-Tag: 1748423176-852615 X-HE-Meta: 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 E7yotT4Q 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 28.05.25 07:35, Tal Zussman wrote: > When the TLB_REMOTE_WRONG_CPU enum was introduced for the tlb_flush > tracepoint, the enum was not exported to userspace. Add it to the > appropriate macro definition to enable parsing by userspace tools, as > per [0]. > > [0] Link: https://lore.kernel.org/all/20150403013802.220157513@goodmis.org > > Fixes: 2815a56e4b72 ("x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU") > Signed-off-by: Tal Zussman > --- > include/trace/events/tlb.h | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h > index b4d8e7dc38f8..725a75720a23 100644 > --- a/include/trace/events/tlb.h > +++ b/include/trace/events/tlb.h > @@ -13,7 +13,8 @@ > EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \ > EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \ > EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ > - EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) > + EM( TLB_REMOTE_SEND_IPI, "remote ipi send" ) \ > + EMe( TLB_REMOTE_WRONG_CPU, "remote wrong CPU" ) Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb