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b=ZvkunF8I+PbytQ3aauQZUhtA04lAEOU1IIG/RzeLPK401UDcocZUiX7tCvNZkhUk4 J8a7G8Iysz62mTv6dS7JxkxqOpnkVy0/tWgEyKHX0ldkP1s5h1dIXmuIQPkQhKovTm Cub4+DO8mPJAz+POJlzwqzGt+XtknBta4GkxUMyo0//jfrITtgslfxtCKBzyk9B0qx raZ45Hlaa0llbA+sg7uaPslIrVCLG2bYGGGl4PlWYiRlAyGoNI0zCZ+6ZGhY9M/AMT /ni0sJFRI03TITR1JWZJnCtipD43lilhybATuWTUCrc8Q7YIMfY2l/lWVu4GyNF9xT JNdHq6vFCh6cg== Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 10 Jan 2024 22:18:37 +0200 Message-Id: Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , "Brijesh Singh" Subject: Re: [PATCH v1 07/26] x86/fault: Add helper for dumping RMP entries From: "Jarkko Sakkinen" To: "Borislav Petkov" , "Michael Roth" X-Mailer: aerc 0.15.2 References: <20231230161954.569267-1-michael.roth@amd.com> <20231230161954.569267-8-michael.roth@amd.com> <20240110095912.GAZZ5qcFXYgvPrCdRI@fat_crate.local> In-Reply-To: <20240110095912.GAZZ5qcFXYgvPrCdRI@fat_crate.local> X-Rspam-User: X-Stat-Signature: ybbqhfztq3ygddzsaqzi3w71d7efsh5f X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: C19944001A X-HE-Tag: 1704917930-810919 X-HE-Meta: U2FsdGVkX1+wWWK6JG3YeCiJNhdIhpZBP7d7eELbD/RXz0B5nt2RnZxoazi3ff8UgkaU2mj5YqJ1NNz2lznuBs/7qK82e+fIavI5IEKqmcwg25EErk4XIsvPOiDY6uZAmimOXiR2HDVJQZTQgvya8/If5bFWobtfTYbblW+CQI2UMqN6AFZrdQ9Bz1LKdtWv3IJ91oi3wzs4nBNMzaYIbFXbpu5Ie1dh4U3WHqqhIRbmTryTX1O+4GJdK4iUSL4P/hyK3d8Zcav5ksLoRvHxtyQLZzs3oItND0miROoSJithypjmCLLfmcRfCNDR3qPw8gdfLf3JBRgtkM0+324otBZZwZ+xJtAzVcB2UVdMCQi+a6iSqFDHuQyS4wJu8IvX1lBgExQu/1gMhC1Zsy+FMNEFbiisgFwERQ63/5vfakWIZac+DH0JCteBS0NY9wlBY7TqIdtwHuFdM6bCJte4gE6Yv4shy8oBE4PiwIF3Phu/eLB1iHOnSrkcrWB3WPW+wR0gwsSIfPyejlGDL0tXYZ8/ka4rkTcqe/svLSLwmJWyPI8maOf/YwMThW80qSlMPsvsDbdbTCxuNpkqzd6EHohBpPCFzO8Q82O18V+nAi7qmwXy+j4WxGJ0d5gZ0FAkVtx/S+nvPCcVBqL8lSmjH/LqJCTIrU1+hhorwH2J2TIH5x7Wak6vci6LarOsfQTeAh9YFVnHDnGJcqFGAb83qERtK7PdfZ8g0PuS41/ocPQrtmTLHd7aoQiFcR1HdtwbBl/XcvDNylJMCNmFQZkz4jcyKRf1UINecnoxxc6YwMZph3GEj0sy/SjDtkCj+D8Y7zDKMz93o0VD1MLu8mFJvHdKV8Th5vleIei+M2LOnM8sse/puiFXcQfVabgSOHfDbhSifR3QvdNcPkr5eJiG5+zVeTKX/19me6ByhmXe9NaTPcmhtdJD6EPiogSvwxnd3HUygLkF8R7ZQzXZ+zw IuDw2Q1l lLgTFRtd6xOFVLiuKly+Hs6eemrCiqi0ntmJbJ94ARD1aaErXoc7sksBy9udM5wPyYcrJrR607qmz1U/WmbCJrAuMxs2vEhJEoHuhkxOuEpKSOX+ezz4d5Qgd3pXFHzS/BUhd39Ov9wRtSqHRpY1P1a+r4KByzI6I7LEuD2NE3wmg0Gnk3aCLe83FLJ72QERAnX9s0QxVDcN4s1SPu7ykzK/uxQ== 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 Wed Jan 10, 2024 at 11:59 AM EET, Borislav Petkov wrote: > On Sat, Dec 30, 2023 at 10:19:35AM -0600, Michael Roth wrote: > > +void snp_dump_hva_rmpentry(unsigned long hva) > > +{ > > + unsigned int level; > > + pgd_t *pgd; > > + pte_t *pte; > > + > > + pgd =3D __va(read_cr3_pa()); > > + pgd +=3D pgd_index(hva); > > + pte =3D lookup_address_in_pgd(pgd, hva, &level); > > + > > + if (!pte) { > > + pr_info("Can't dump RMP entry for HVA %lx: no PTE/PFN found\n", hva)= ; ~~~~~~~ is this correct log level? BR, Jarkko