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[80.187.67.108]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c42bb5fce9sm3504885a12.56.2024.09.17.03.22.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Sep 2024 03:23:00 -0700 (PDT) Message-ID: Date: Tue, 17 Sep 2024 12:22:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V2 2/7] x86/mm: Drop page table entry address output from pxd_ERROR() To: Anshuman Khandual , linux-mm@kvack.org Cc: Andrew Morton , Ryan Roberts , "Mike Rapoport (IBM)" , Arnd Bergmann , x86@kernel.org, linux-m68k@lists.linux-m68k.org, linux-fsdevel@vger.kernel.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen References: <20240917073117.1531207-1-anshuman.khandual@arm.com> <20240917073117.1531207-3-anshuman.khandual@arm.com> 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: <20240917073117.1531207-3-anshuman.khandual@arm.com> X-Mimecast-Spam-Score: 0 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: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: BF9FD1C0003 X-Stat-Signature: aj1oh17s1whkejhgc3cm9rx4r1g8dukc X-HE-Tag: 1726568584-675355 X-HE-Meta: U2FsdGVkX18g3yZk7zDhSe2lZjAiarSY87o2+v2/H0DIbsAfWUgMo8hq3nBudt/PH6aL120k3CzjnRgWd3LIbTt4wl90Yb6Y4/fP8kAzy5R6tmrvCZSenojADRoiARDW0Nd013MgYx07dUdw0XkWc2N6dF1sexi/f35lvBOGizEXAKorqjGSiPOZP5OsO2T0L4HsJ+BB87UswpufNb4OPGHvMoX5WildBZV2FrEXF8kgaEwoRpovlOIDVE4OjO7BNMLEQOsN/qeIeUaqfCiWcEi54ICr0I71wD6V8mD8I0F8vpbeRTTg0BEXZKcyaNJl4si5X1qEHK0KsVm/wprrKQdCu/zVEcOKMRSri6aXAZD3EOQ1L72OkfIPukijS0sO7YnRTnYeiEASr/FLij4qEEvQltK7f7ci2N0swe5U4MchwMEeGJMmtNPcqGGGbOBhsh5VFmlDZBa1hXd0VVAcBVoMqqC9DoczvgvabmuwurqDn7B8H+70l8k43Oew9QeFR0T3i1GymCmF6s48xX/EoDETjzIpnCf5rF+KUpiCGiIdpTkRAl17y4o6Mj4vWw7VofqNyULHNXTuA7DbI4Q5YX0tq5FV92E0g4dJ2ms952pQVk8EnpaDxkata1JMbk/icfMfu65vfMK3zhH0i2UOPFHOq3nmO4zTfgHxfxZKce4NglIIcqIDHW5wG6U9+H8j79EFlb84KI5hJ3GV/zx31iPYCAUx5/TEZUR/2soMsnhe1SJ7U3ktKNC1/Sx9J+gn6vE3L+1GyauFhfbQfrlXhH40gW9FsOXZh4+yXufJQaNJjMLYjrBEMuz2ekjQg2b44Vl/Fct0xqBy5FT7ocjB48Z+MEzl+w767908nYukMCX8RPsGEnFiV1wWqVguHjA6PqpoK6AjLdv2AEdMr0C4ATQv9McCzasQyt1qP2+aZVuNj6xBVW462j/Nze35qWQUbysimtpXwZEIUAYEzHP vBKtGxc5 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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 17.09.24 09:31, Anshuman Khandual wrote: > This drops page table entry address output from all pxd_ERROR() definitions > which now matches with other architectures. This also prevents build issues > while transitioning into pxdp_get() based page table entry accesses. > > The mentioned build error is caused with changed macros pxd_ERROR() ends up > doing &pxdp_get(pxd) which does not make sense and generates "error: lvalue > required as unary '&' operand" warning. > > Cc: Thomas Gleixner > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Dave Hansen > Cc: x86@kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual > --- Not a big fan of all these "bad PTE" thingies ... Acked-by: David Hildenbrand -- Cheers, David / dhildenb