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([2a01:4b00:d20e:7300:5535:5568:577f:20c]) by smtp.gmail.com with ESMTPSA id jg25-20020a05600ca01900b004169836bf9asm16436315wmb.23.2024.04.14.14.19.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Apr 2024 14:19:50 -0700 (PDT) From: Ivan Orlov To: richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net Cc: Ivan Orlov , linux-um@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] um: tlb: Remove unused flush_tlb_mm_range function Date: Sun, 14 Apr 2024 22:19:34 +0100 Message-Id: <20240414211934.393303-1-ivan.orlov0322@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240414_141955_317091_406B7F4D X-CRM114-Status: UNSURE ( 7.48 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.1 (/) X-Spam-Report: =?unknown-8bit?q?Spam_detection_software=2C_running_on_the_sy?= =?unknown-8bit?q?stem_=22bombadil=2Einfradead=2Eorg=22=2C?= =?unknown-8bit?q?_has_NOT_identified_this_incoming_email_as_spam=2E__The_ori?= =?unknown-8bit?q?ginal?= =?unknown-8bit?q?_message_has_been_attached_to_this_so_you_can_view_it_or_la?= =?unknown-8bit?q?bel?= =?unknown-8bit?q?_similar_future_email=2E__If_you_have_any_questions=2C_see?= =?unknown-8bit?q?_the_administrator_of_that_system_for_details=2E?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_Content_preview=3A__GCC_11=2E4=2E0_produces_the_following_?= =?unknown-8bit?q?warning_when_compiling_the?= =?unknown-8bit?q?_kernel_for_UML_architecture_=28with_UML_defconfig=29=3A_ar?= =?unknown-8bit?q?ch/um/kernel/tlb=2Ec=3A579=3A6=3A?= =?unknown-8bit?q?_warning=3A_no_previous_prototype_for_=E2=80=98flush=5Ftlb?= =?unknown-8bit?q?=5Fmm=5Frange=E2=80=99_=5B-Wmissing-prototypes=5D?= =?unknown-8bit?q?_579_=7C_void_flush=5Ftlb=5Fmm=5Frange=28struct_mm=5Fstruct?= =?unknown-8bit?q?_*mm=2C_unsigned_long_start=2C=29?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_Content_analysis_details=3A___=280=2E1_points=2C_5=2E0_req?= =?unknown-8bit?q?uired=29?= =?unknown-8bit?q?_?= =?unknown-8bit?q?_pts_rule_name______________description?= =?unknown-8bit?q?_----_----------------------_------------------------------?= =?unknown-8bit?q?--------------------?= =?unknown-8bit?q?_-0=2E0_RCVD=5FIN=5FDNSWL=5FNONE_____RBL=3A_Sender_listed_a?= =?unknown-8bit?q?t_https=3A//www=2Ednswl=2Eorg/=2C_no?= =?unknown-8bit?q?_trust?= =?unknown-8bit?b?IFsyYTAwOjE0NTA6NDg2NDoyMDowOjA6MDo0MmIgbGlzdGVkIGluXQ==?= =?unknown-8bit?b?IFtsaXN0LmRuc3dsLm9yZ10=?= =?unknown-8bit?q?_-0=2E0_SPF=5FPASS_______________SPF=3A_sender_matches_SPF_?= =?unknown-8bit?q?record?= =?unknown-8bit?q?_0=2E0_SPF=5FHELO=5FNONE__________SPF=3A_HELO_does_not_publ?= =?unknown-8bit?q?ish_an_SPF_Record?= =?unknown-8bit?q?_0=2E1_DKIM=5FSIGNED____________Message_has_a_DKIM_or_DK_si?= =?unknown-8bit?q?gnature=2C_not_necessarily_valid?= =?unknown-8bit?q?_-0=2E1_DKIM=5FVALID=5FEF__________Message_has_a_valid_DKIM?= =?unknown-8bit?q?_or_DK_signature_from?= =?unknown-8bit?q?_envelope-from_domain?= =?unknown-8bit?q?_-0=2E1_DKIM=5FVALID_____________Message_has_at_least_one_v?= =?unknown-8bit?q?alid_DKIM_or_DK_signature?= =?unknown-8bit?q?_-0=2E1_DKIM=5FVALID=5FAU__________Message_has_a_valid_DKIM?= =?unknown-8bit?q?_or_DK_signature_from_author=27s?= =?unknown-8bit?q?_domain?= =?unknown-8bit?q?_0=2E2_FREEMAIL=5FENVFROM=5FEND=5FDIGIT_Envelope-from_freem?= =?unknown-8bit?q?ail_username_ends_in?= =?unknown-8bit?q?_digit?= =?unknown-8bit?b?IFtpdmFuLm9ybG92MDMyMihhdClnbWFpbC5jb21d?= =?unknown-8bit?q?_0=2E0_FREEMAIL=5FFROM__________Sender_email_is_commonly_ab?= =?unknown-8bit?q?used_enduser_mail_provider?= =?unknown-8bit?b?IFtpdmFuLm9ybG92MDMyMihhdClnbWFpbC5jb21d?= X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org GCC 11.4.0 produces the following warning when compiling the kernel for UML architecture (with UML defconfig): arch/um/kernel/tlb.c:579:6: warning: no previous prototype for ‘flush_tlb_mm_range’ [-Wmissing-prototypes] 579 | void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,) This function is not used anywhere. It is not exported with `EXPORT_SYMBOL` either, and therefore it is not usable for dynamically loaded modules. Remove this function. Signed-off-by: Ivan Orlov --- arch/um/kernel/tlb.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 7d050ab0f78a..70b5e47e9761 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -576,12 +576,6 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, } EXPORT_SYMBOL(flush_tlb_range); -void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, - unsigned long end) -{ - fix_range(mm, start, end, 0); -} - void flush_tlb_mm(struct mm_struct *mm) { struct vm_area_struct *vma;