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[209.85.221.47]) by smtp.gmail.com with ESMTPSA id q14-20020a17090676ce00b007121361d54asm2199087ejn.25.2022.07.22.09.28.11 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Jul 2022 09:28:12 -0700 (PDT) Received: by mail-wr1-f47.google.com with SMTP id n12so7199236wrc.8 for ; Fri, 22 Jul 2022 09:28:11 -0700 (PDT) X-Received: by 2002:a05:6000:1f8c:b0:21d:7e98:51ba with SMTP id bw12-20020a0560001f8c00b0021d7e9851bamr468958wrb.442.1658507291147; Fri, 22 Jul 2022 09:28:11 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Linus Torvalds Date: Fri, 22 Jul 2022 09:27:54 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: mainline build failure due to b67fbebd4cf9 ("mmu_gather: Force tlb-flush VM_PFNMAP vmas") To: "Sudip Mukherjee (Codethink)" Cc: Peter Zijlstra , Will Deacon , "Aneesh Kumar K.V" , Andrew Morton , Nick Piggin , Arnd Bergmann , linux-arch , Linux-MM , Linux Kernel Mailing List Content-Type: multipart/mixed; boundary="000000000000f26f5605e4675143" ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1658507295; a=rsa-sha256; cv=none; b=bnzjdneEp2eetkrYkyA+yfUAkMEKlMa2i1LCaIZ4hlg0FqA77NlIL0MOhvUC4NHxKjcvn+ Y14Xbs/XXGk4YJ+nLOffPs6E1wh4wL84pm+V6lTzc/GDgL+Y0LoWl1TUGeNj0BuyYiqmKV dPPGhZxAlTWDRz86Rw3dgFfHcL1pb7w= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b=On14FoAt; dmarc=none; spf=pass (imf11.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.218.50 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1658507295; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1dd7o9NBeDh2R1TLf2E06wU4FmDlwMriYkeqayOgdQg=; b=cRYhIHRnSdp1EmxkG/OoBUIKytVMPiYcp5DvIIGJV26tApWWdZxIMgfa9GNrLcuHngO5CN n17wKIkVDKxLZEBEdZ2HgU6foZ5zjSmMcvv7bcScJfrQkpSnjk+ZpnUXOrZYzfgDz2Hivc kzsZe9e+GlpD4e2XoucA+fDNtm8nMGY= X-Rspamd-Queue-Id: E08FE400AB Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b=On14FoAt; dmarc=none; spf=pass (imf11.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.218.50 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: pkrdz1sdk56rgaiub9fctkp4amnxjyms X-HE-Tag: 1658507294-185652 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: --000000000000f26f5605e4675143 Content-Type: text/plain; charset="UTF-8" On Fri, Jul 22, 2022 at 12:53 AM Sudip Mukherjee (Codethink) wrote: > > The latest mainline kernel branch fails to build for alpha allmodconfig > with the error: Gaah. It's the odd MMU_GATHER_NO_RANGE architectures - alpha, m68k, microblaze, nios2 and openrisc. We should probably get rid of that oddity, and force everybody to have the ranged tlb flush functions, but for now the trivial patch is to just remove the left-over dummy tlb_update_vma_flags() from that case, I think. Trivial patch attached. I don't have any cross-compiler for those architectures on my machine, but I suspect I'll just commit it as-is even without testing, since it can't be worse than what the situation is right now with that "redefinition of 'tlb_update_vma_flags'" But if you can verify, that would be lovely. Linus --000000000000f26f5605e4675143 Content-Type: text/x-patch; charset="US-ASCII"; name="patch.diff" Content-Disposition: attachment; filename="patch.diff" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_l5woep5b0 IGluY2x1ZGUvYXNtLWdlbmVyaWMvdGxiLmggfCAzIC0tLQogMSBmaWxlIGNoYW5nZWQsIDMgZGVs ZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9hc20tZ2VuZXJpYy90bGIuaCBiL2luY2x1 ZGUvYXNtLWdlbmVyaWMvdGxiLmgKaW5kZXggY2IyMTY3Yzg5ZWVlLi40OTJkY2U0MzIzNmUgMTAw NjQ0Ci0tLSBhL2luY2x1ZGUvYXNtLWdlbmVyaWMvdGxiLmgKKysrIGIvaW5jbHVkZS9hc20tZ2Vu ZXJpYy90bGIuaApAQCAtMzY4LDkgKzM2OCw2IEBAIHN0YXRpYyBpbmxpbmUgdm9pZCB0bGJfZmx1 c2goc3RydWN0IG1tdV9nYXRoZXIgKnRsYikKIAkJZmx1c2hfdGxiX21tKHRsYi0+bW0pOwogfQog Ci1zdGF0aWMgaW5saW5lIHZvaWQKLXRsYl91cGRhdGVfdm1hX2ZsYWdzKHN0cnVjdCBtbXVfZ2F0 aGVyICp0bGIsIHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAqdm1hKSB7IH0KLQogI2Vsc2UgLyogQ09O RklHX01NVV9HQVRIRVJfTk9fUkFOR0UgKi8KIAogI2lmbmRlZiB0bGJfZmx1c2gK --000000000000f26f5605e4675143--