From nobody Sat Feb 7 05:01:32 2026 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9725E219A8E for ; Mon, 5 Jan 2026 19:07:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767640074; cv=none; b=DSLh8pOvm5J+7OxMF+qkiTxM7eobJ59sd40WnUSG8sJf7t3VBbIQCmjxPXBQUcj85NrQcaVaExFtpDJCcny2Rpn5JLmLxFWMqueX7BXjkKJCavEYgNYOpUCJ4TO9UfWtLpcmUUxeoWBaLPRzoalOxv4KryOmyC1/hrL0HM1nNZc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767640074; c=relaxed/simple; bh=UBwxbLdy23sDmct+07935iPu/FEqzhV/xHgYq/exls0=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=Xp4xcZhma055YyiJLQ4SEOuPaY5NGAs7XQp7or3akO3w8ATpY04nQ2Bsp36oGGgqLe7htC48RU7YxbLxWLiD/uBl/JjOmq+sPKgaISh8jRHQZi+kpQPxDwRSd4gh7NpZoMLw315Mp4a9e8YHTzbTxvt5k/MEVC0rQrNqG9/LzYU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--cmllamas.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=x53qju8R; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--cmllamas.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="x53qju8R" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2a0a0bad5dfso3870695ad.0 for ; Mon, 05 Jan 2026 11:07:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1767640072; x=1768244872; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=HMUhWNvNwkRyVLnb3ImgC6yPPp9LfTSzDU0MStcOMWk=; b=x53qju8Roxd12jlvd4ZHUnisu+K6CuFcdrDlSWWZOzAEqMC71qGsTg+X9a1Fyta6va 8RcAvNqzy+5vRKD/bGWZlgs4BnrN/u2SJRpKBspjOMRUtgzmFuo/ZHY434tJDQv1Lf7l qSTGJhTxZ8Xy3lfHyBC0WaU7HNpJynPXsg9hfFbdY/pYZkwLFYXrXuo7hf+qKU1ZYhaO e61FhBSWeLD4BnZlYy/a7FlcPEQmuyHIVBmArXMohVXXL2uYT6DeH2CxHKokgpqmV3GQ HAQaDvEesnj6M1aqdc9biDmmVer2mf22ubKuQPTsvvwdQd3uSA2HWI86piREyx48gT6J 7LVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767640072; x=1768244872; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=HMUhWNvNwkRyVLnb3ImgC6yPPp9LfTSzDU0MStcOMWk=; b=abnihsIhXhb421m0OvlFnTxXJG+B0OVUF5gvM36y2tL3ogtWYqAH0ahKw7TmpynFXo /366ruaHRV5oqTwT4KcIG7qH641lLGooSWgGUbpFPlUKMvsS7ydEmRDVcqmrE80Gw4pU rTwPiVV8nGsKgjjKL0pN2KJZtNqMQGfOMpjyxQqbiIcSN/hizSiCXmt3zlHFNu0tWtHG gv4iVxW7thjmfuALoxH0Cdyh3jPNRWNKIb71zP9vY5btjvshUZCvl312Bv05clPT9DQN 3CRYvmhl60HcodbKnuIrXUlTrRIbl4yf7x5k54HFAm1jodEgd6iUzELMbbEOS/nAxy63 fXog== X-Forwarded-Encrypted: i=1; AJvYcCXliMLD0EwsFZee4ZTecGQAeG4RD5us7KCBNrjh0Lqqibrp9xdVuyRpgnMY7S3eSXo+xW6h5lYplWYm2QM=@vger.kernel.org X-Gm-Message-State: AOJu0YyBmot1xd3S5NMbmT4V/5Y9xeV8jCDUh4oyW3U+5HMxXfrn/rY0 pu0fb9oqDNawFgFdKKpcpO/zn3b9IdlHy4iGjEJ/T0h3VC/TkibsxbwxNxb01AzN2xfqCxYX5to 17PW4fXlsTCJsaA== X-Google-Smtp-Source: AGHT+IFXkKMfu90AhEtBHrwsjvhw5RMzSf8+LNAkWKP65vHzPOnSUIr1CKL+ik53m3qth7N8dqIaroK82/UHYw== X-Received: from dlbrx15.prod.google.com ([2002:a05:7022:170f:b0:11d:cfa0:5ddf]) (user=cmllamas job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:4197:b0:11b:78e6:8323 with SMTP id a92af1059eb24-121f18fabd3mr307956c88.37.1767640071903; Mon, 05 Jan 2026 11:07:51 -0800 (PST) Date: Mon, 5 Jan 2026 19:07:46 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.52.0.358.g0dd7633a29-goog Message-ID: <20260105190747.625082-1-cmllamas@google.com> Subject: [PATCH] iommu/sva: include mmu_notifier.h header From: Carlos Llamas To: Joerg Roedel , Will Deacon , Robin Murphy , Jason Gunthorpe , Kevin Tian , Vasant Hegde , Lu Baolu , Andrew Morton Cc: kernel-team@android.com, linux-kernel@vger.kernel.org, Carlos Llamas , "open list:IOMMU SUBSYSTEM" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" A call to mmu_notifier_arch_invalidate_secondary_tlbs() was introduced in commit e37d5a2d60a3 ("iommu/sva: invalidate stale IOTLB entries for kernel address space") but without explicitly adding its corresponding header file . This was evidenced while trying to enable compile testing support for IOMMU_SVA: config IOMMU_SVA select IOMMU_MM_DATA - bool + bool "Shared Virtual Addressing" if COMPILE_TEST The thing is for certain architectures this header file is indirectly included via . However, for others such as 32-bit arm the header is missing and it results in a build failure: $ make ARCH=3Darm allmodconfig [...] drivers/iommu/iommu-sva.c:340:3: error: call to undeclared function 'mmu_= notifier_arch_invalidate_secondary_tlbs' [...] 340 | mmu_notifier_arch_invalidate_secondary_tlbs(iommu_mm->mm, start,= end); | ^ Fix this by including the appropriate header file. Fixes: e37d5a2d60a3 ("iommu/sva: invalidate stale IOTLB entries for kernel = address space") Signed-off-by: Carlos Llamas --- drivers/iommu/iommu-sva.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c index d236aef80a8d..e1e63c2be82b 100644 --- a/drivers/iommu/iommu-sva.c +++ b/drivers/iommu/iommu-sva.c @@ -3,6 +3,7 @@ * Helpers for IOMMU drivers implementing SVA */ #include +#include #include #include #include --=20 2.52.0.358.g0dd7633a29-goog