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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id a11-20020a81bb4b000000b00545dc7c4a9esm108298ywl.111.2023.06.08.12.36.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 12:36:30 -0700 (PDT) Date: Thu, 8 Jun 2023 12:36:26 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@ripple.attlocal.net To: Andrew Morton cc: Mike Kravetz , Mike Rapoport , "Kirill A. Shutemov" , Matthew Wilcox , David Hildenbrand , Suren Baghdasaryan , Qi Zheng , Peter Zijlstra , Russell King , Catalin Marinas , Will Deacon , Geert Uytterhoeven , Greg Ungerer , Michal Simek , Thomas Bogendoerfer , Helge Deller , John David Anglin , "Aneesh Kumar K.V" , Michael Ellerman , Alexandre Ghiti , Palmer Dabbelt , Heiko Carstens , Christian Borntraeger , Claudio Imbrenda , Alexander Gordeev , John Paul Adrian Glaubitz , "David S. Miller" , Chris Zankel , Max Filippov , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 22/23] x86: sme_populate_pgd() use pte_offset_kernel() In-Reply-To: Message-ID: <497d7777-736e-85f2-c37-aa6bcf155e4@google.com> References: MIME-Version: 1.0 X-Rspamd-Queue-Id: A01F31C000F X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: ji3q3urre34fsfhsctzuiq7fy8d5kpto X-HE-Tag: 1686252991-371228 X-HE-Meta: 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 NBGvGsVw XYYUrQb9kj8ZlmFJLkf5npHt+jOdAGOZFqGkzbQJz1dJtsR4J0pTCPUTi0mN4OGfjGlxHrCOvhr66JEKwdePsXL30qmRalLXsfTBM32ecknW55FHs20vC/9ZL9sZx1mwEK1CSL7aObTNbi5qOkRArYpBROjWCblH1Rl47Jir/lg5aoI3v3rGxv1LrFY5Y+B2r3SCwDxxc+GH+ov+Fat/BnzSFnlnU2sn/nMfCpKXIGC8kojfNGYtEAfh1yoSYBdT2lTev+UTU5fyizYvAjzkfVTgsanm+bMgE8igErp7iIWhVQV8PLOFYBHivjO2M0kG8AC7NmKYM3s5CV6QvZkJpdYyFjBjyFHJAYUpWCOSpF2drHK9dhBNHkLtTJJyztbw68EkzR2jOEOOtKOCgauBMiCACorrrjZpN/zAmK4Ev+RauEOcWAcE/kDSqpH9YPA5sUQ9tZQEcj3MyhJo= 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: sme_populate_pgd() is an __init function for sme_encrypt_kernel(): it should use pte_offset_kernel() instead of pte_offset_map(), to avoid the question of whether a pte_unmap() will be needed to balance. Signed-off-by: Hugh Dickins --- arch/x86/mm/mem_encrypt_identity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index c6efcf559d88..a1ab542bdfd6 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -188,7 +188,7 @@ static void __init sme_populate_pgd(struct sme_populate_pgd_data *ppd) if (pmd_large(*pmd)) return; - pte = pte_offset_map(pmd, ppd->vaddr); + pte = pte_offset_kernel(pmd, ppd->vaddr); if (pte_none(*pte)) set_pte(pte, __pte(ppd->paddr | ppd->pte_flags)); }