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Thu, 8 Aug 2024 20:33:30 -0400 Message-ID: <5018ea69-985f-417d-928e-be1ee9a80d88@bell.net> Date: Thu, 8 Aug 2024 20:33:30 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6.10 000/809] 6.10.3-rc3 review To: Linus Torvalds Cc: Guenter Roeck , Thomas Gleixner , Vlastimil Babka , linux-kernel@vger.kernel.org, Linux-MM , Helge Deller , linux-parisc@vger.kernel.org, Richard Henderson References: <20240731095022.970699670@linuxfoundation.org> <718b8afe-222f-4b3a-96d3-93af0e4ceff1@roeck-us.net> <53b2e1f2-4291-48e5-a668-7cf57d900ecd@suse.cz> <87le194kuq.ffs@tglx> <90e02d99-37a2-437e-ad42-44b80c4e94f6@suse.cz> <87frrh44mf.ffs@tglx> <76c643ee-17d6-463b-8ee1-4e30b0133671@roeck-us.net> <87plqjz6aa.ffs@tglx> <87a5hnyox6.ffs@tglx> <8734nezz0g.ffs@tglx> <37f94771-4ebc-46d2-ad10-f145d139dd9d@bell.net> Content-Language: en-US From: John David Anglin Autocrypt: addr=dave.anglin@bell.net; keydata= xsFNBFJfN1MBEACxBrfJ+5RdCO+UQOUARQLSsnVewkvmNlJRgykqJkkI5BjO2hhScE+MHoTK MoAeKwoLfBwltwoohH5RKxDSAIWajTY5BtkJBT23y0hm37fN2JXHGS4PwwgHTSz63cu5N1MK n8DZ3xbXFmqKtyaWRwdA40dy11UfI4xzX/qWR3llW5lp6ERdsDDGHm5u/xwXdjrAilPDk/av d9WmA4s7TvM/DY3/GCJyNp0aJPcLShU2+1JgBxC6NO6oImVwW07Ico89ETcyaQtlXuGeXYTK UoKdEHQsRf669vwcV5XbmQ6qhur7QYTlOOIdDT+8zmBSlqBLLe09soATDciJnyyXDO1Nf/hZ gcI3lFX86i8Fm7lQvp2oM5tLsODZUTWVT1qAFkHCOJknVwqRZ8MfOvaTE7L9hzQ9QKgIKrSE FRgf+gs1t1vQMRHkIxVWb730C0TGiMGNn2oRUV5O5QEdb/tnH0Te1l+hX540adKZ8/CWzzW9 vcx+qD9IWLRyZMsM9JnmAIvYv06+YIcdpbRYOngWPd2BqvktzIs9mC4n9oU6WmUhBIaGOGnt t/49bTRtJznqm/lgqxtE2NliJN79dbZJuJWe5HkjVa7mP4xtsG59Rh2hat9ByUfROOfoZ0dS sVHF/N6NLWcf44trK9HZdT/wUeftEWtMV9WqxIwsA4cgSHFR2QARAQABzTdKb2huIERhdmlk IEFuZ2xpbiAoRGViaWFuIFBvcnRzKSA8ZGF2ZS5hbmdsaW5AYmVsbC5uZXQ+wsF3BBMBCAAh BQJSXzdTAhsDBQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAAAoJEF2/za5fGU3xs/4P/15sNizR ukZLNYoeGAd6keRtNcEcVGEpRgzc/WYlXCRTEjRknMvmCu9z13z8qB9Y9N4JrPdp+NQj5HEs ODPI+1w1Mjj9R2VZ1v7suFwhjxMTUQUjCsgna1H+zW/UFsrL5ERX2G3aUKlVdYmSWapeGeFL xSMPzawPEDsbWzBzYLSHUOZexMAxoJYWnpN9JceEcGvK1SU2AaGkhomFoPfEf7Ql1u3Pgzie ClWEr2QHl+Ku1xW0qx5OLKHxntaQiu30wKHBcsF0Zx2uVGYoINJl/syazfZyKTdbmJnEYyNa Bdbn7B8jIkVCShLOWJ8AQGX/XiOoL/oE9pSZ60+MBO9qd18TGYByj0X2PvH+OyQGul5zYM7Q 7lT97PEzh8xnib49zJVVrKDdJds/rxFwkcHdeppRkxJH0+4T0GnU2IZsEkvpRQNJAEDmEE8n uRfssr7RudZQQwaBugUGaoouVyFxzCxdpSYL6zWHA51VojvJYEBQDuFNlUCqet9LtNlLKx2z CAKmUPTaDwPcS3uOywOW7WZrAGva1kz9lzxZ+GAwgh38HAFqQT8DQvW8jnBBG4m4q7lbaum3 znERv7kcfKWoWS7fzxLNTIitrbpYA3E7Zl9D2pDV3v55ZQcO/M35K9teRo6glrtFDU/HXM+r ABbh8u9UnADbPmJr9nb7J0tZUSS/zsFNBFJfN1MBEADBzhVn4XyGkPAaFbLPcMUfwcIgvvPF UsLi9Q53H/F00cf7BkMY40gLEXvsvdUjAFyfas6z89gzVoTUx3HXkJTIDTiPuUc1TOdUpGYP hlftgU+UqW5O8MMvKM8gx5qn64DU0UFcS+7/CQrKOJmzktr/72g98nVznf5VGysa44cgYeoA v1HuEoqGO9taA3Io1KcGrzr9cAZtlpwj/tcUJlc6H5mqPHn2EdWYmJeGvNnFtxd0qJDmxp5e YVe4HFNjUwsb3oJekIUopDksAP41RRV0FM/2XaPatkNlTZR2krIVq2YNr0dMU8MbMPxGHnI9 b0GUI+T/EZYeFsbx3eRqjv1rnNg2A6kPRQpn8dN3BKhTR5CA7E/cs+4kTmV76aHpW8m/NmTc t7KNrkMKfi+luhU2P/sKh7Xqfbcs7txOWB2V4/sbco00PPxWr20JCA5hYidaKGyQxuXdPUlQ Qja4WJFnAtBhh3Oajgwhbvd6S79tz1acjNXZ89b8IN7yDm9sQ+4LhWoUQhB5EEUUUVQTrzYS yTGN1YTTO5IUU5UJHb5WGMnSPLLArASctOE01/FYnnOGeU+GFIeQp91p+Jhd07hUr6KWYeJY OgEmu+K8SyjfggCWdo8aGy0H3Yr0YzaHeK2HrfC3eZcUuo+yDW3tnrNwM1rd1i3F3+zJK18q GnBxEQARAQABwsFfBBgBCAAJBQJSXzdTAhsMAAoJEF2/za5fGU3xNDQP/ikzh1NK/UBrWtpN yXLbype4k5/zyQd9FIBxAOYEOogfKdkp+Yc66qNf36gO6vsokxsDXU9me1n8tFoB/DCdzKbQ /RjKQRMNNR4fT2Q9XV6GZYSL/P2A1wzDW06tEI+u+1dV40ciQULQ3ZH4idBW3LdN+nloQf/C qoYkOf4WoLyhSzW7xdNPZqiJCAdcz9djN79FOz8US+waBCJrL6q5dFSvvsYj6PoPJkCgXhiJ hI91/ERMuK9oA1oaBxCvuObBPiFlBDNXZCwmUk6qzLDjfZ3wdiZCxc5g7d2e2taBZw/MsKFc k+m6bN5+Hi1lkmZEP0L4MD6zcPuOjHmYYzX4XfQ61lQ8c4ztXp5cKkrvaMuN/bD57HJ6Y73Q Y+wVxs9x7srl4iRnbulCeiSOAqHmwBAoWaolthqe7EYL4d2+CjPCcfIuK7ezsEm8c3o3EqC4 /UpL1nTi0rknRTGc0VmPef+IqQUj33GGj5JRzVJZPnYyCx8sCb35Lhs6X8ggpsafUkuKrH76 XV2KRzaE359RgbM3pNEViXp3NclPYmeu+XI8Ls/y6tSq5e/o/egktdyJj+xvAj9ZS18b10Jp e67qK8wZC/+N7LGON05VcLrdZ+FXuEEojJWbabF6rJGN5X/UlH5OowVFEMhD9s31tciAvBwy T70V9SSrl2hiw38vRzsl In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: 0E7504000D X-Rspamd-Server: rspam01 X-Stat-Signature: s98aqpyizbmtrqoj446tetb71r7e8kw6 X-HE-Tag: 1723163640-448373 X-HE-Meta: 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 B6Zlj0xx jfyf77WQamtLE+O0+36EsQQi988PxnoF2sQt+i8+UvSbxdKBmioMbH9QNTpCP7BdsPyxQoUghMyYDm4atmV8/01BHT9xfamHdJAEjE98WLQ7OSy5R/1zIbQDjvAHOhDJfhBYe4VTgLG3PAwxK9URw1lFpRRGvmIllOipdQ9fw5Y4FmFW5DtxEbSqntXQPbxqumcc6aruuCx9y4fu/nIJKa6OHZLDoEEXj7YQ5tvttWvtTJOgtvTppUWCDS+wa975Q6hvgahG7+5UMEpCtjTG+YpbQiZAlP74REI66hkeDZets/GGyBz3LEi4VUSnv1NsiIo+X 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 2024-08-08 7:33 p.m., Linus Torvalds wrote: > On Thu, 8 Aug 2024 at 15:30, John David Anglin wrote: >>> I believe the shladd instruction should be changed to shladd,l (shift left and add logical). >> diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S >> index ab23e61a6f01..1ec60406f841 100644 >> --- a/arch/parisc/kernel/entry.S >> +++ b/arch/parisc/kernel/entry.S >> @@ -399,7 +399,7 @@ >> - shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd /* pmd is now pte */ >> + shladd,l \index,BITS_PER_PTE_ENTRY,\pmd,\pmd /* pmd is now pte */ > This doesn't seem wrong, but doesn't RFIR already restore the status word? Yes. > > So even if the itlb fill modifies C/B, I don't see why that should > actually matter. Probably won't help unless there's a bug in qemu rfir emulation. Dave -- John David Anglin dave.anglin@bell.net