From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF8FB28371 for ; Tue, 17 Sep 2024 08:08:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726560500; cv=none; b=tUkl6XdqWGKPvJUuAuNW13VbfcqggtVh/xjrCI6p/mk9mKQtQ6AiWcx2cTq0/c3bD2AGcL5OAdrttOwXjJo3HjB3Jgst4+vI/a+bmv7+8kQiFldmFssOudwHz91mL583FFhfastgroskzQlUofCgHc11qZ+lVuG6VTTz1TkLzSI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726560500; c=relaxed/simple; bh=SdkJqCo4Jt9KEhtiZFikAd1oPr4wfxXGoaRFWnTd6T4=; h=Date:To:From:Subject:Message-Id; b=rIQ615CG3VNiRy7C/ttzgW7/vGlEusSpnGjHQKsEdvhvjosgta8MC/psiqWah3mKgQurrbpYQZGryYd37ZvSv9PhNX88Lh5tbdHPB+NxVI4tPEBA/FYALqzJjQGB54zjvhy/BXW3sC84iW6IV7j7N7XTuq8X6wytdMZ9Wlu8zZ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=iG74rOfX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="iG74rOfX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF571C4CEC6; Tue, 17 Sep 2024 08:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1726560500; bh=SdkJqCo4Jt9KEhtiZFikAd1oPr4wfxXGoaRFWnTd6T4=; h=Date:To:From:Subject:From; b=iG74rOfXA7NJTzD0GRlh64HZqRrHRbDh8rc2iuYFdd9KC+mH2cyzNhxNS7m5MnQ7W EGK1XbTPXf+62Zx0ApyNVYiKYYGvQzW38lvMchqtpnbi088ylhPy286tYOyXIPvJUp Ush5C/TiVrYXFNnJCkDllrlXGw6PxihgOrzUUpG4= Date: Tue, 17 Sep 2024 01:08:17 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,willy@infradead.org,will@kernel.org,tglx@linutronix.de,svens@linux.ibm.com,seanjc@google.com,schnelle@linux.ibm.com,ryan.roberts@arm.com,pbonzini@redhat.com,mingo@redhat.com,jgg@nvidia.com,hca@linux.ibm.com,gshan@redhat.com,gor@linux.ibm.com,gerald.schaefer@linux.ibm.com,david@redhat.com,dave.hansen@linux.intel.com,catalin.marinas@arm.com,bp@alien8.de,borntraeger@linux.ibm.com,aneesh.kumar@linux.ibm.com,alex.williamson@redhat.com,agordeev@linux.ibm.com,peterx@redhat.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] acrn-use-the-new-follow_pfnmap-api.patch removed from -mm tree Message-Id: <20240917080819.DF571C4CEC6@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: acrn: use the new follow_pfnmap API has been removed from the -mm tree. Its filename was acrn-use-the-new-follow_pfnmap-api.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Peter Xu Subject: acrn: use the new follow_pfnmap API Date: Mon, 26 Aug 2024 16:43:48 -0400 Use the new API that can understand huge pfn mappings. Link: https://lkml.kernel.org/r/20240826204353.2228736-15-peterx@redhat.com Signed-off-by: Peter Xu Cc: Alexander Gordeev Cc: Alex Williamson Cc: Aneesh Kumar K.V Cc: Borislav Petkov Cc: Catalin Marinas Cc: Christian Borntraeger Cc: Dave Hansen Cc: David Hildenbrand Cc: Gavin Shan Cc: Gerald Schaefer Cc: Heiko Carstens Cc: Ingo Molnar Cc: Jason Gunthorpe Cc: Matthew Wilcox Cc: Niklas Schnelle Cc: Paolo Bonzini Cc: Ryan Roberts Cc: Sean Christopherson Cc: Sven Schnelle Cc: Thomas Gleixner Cc: Vasily Gorbik Cc: Will Deacon Cc: Zi Yan Signed-off-by: Andrew Morton --- drivers/virt/acrn/mm.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) --- a/drivers/virt/acrn/mm.c~acrn-use-the-new-follow_pfnmap-api +++ a/drivers/virt/acrn/mm.c @@ -177,9 +177,7 @@ int acrn_vm_ram_map(struct acrn_vm *vm, vma = vma_lookup(current->mm, memmap->vma_base); if (vma && ((vma->vm_flags & VM_PFNMAP) != 0)) { unsigned long start_pfn, cur_pfn; - spinlock_t *ptl; bool writable; - pte_t *ptep; if ((memmap->vma_base + memmap->len) > vma->vm_end) { mmap_read_unlock(current->mm); @@ -187,16 +185,20 @@ int acrn_vm_ram_map(struct acrn_vm *vm, } for (i = 0; i < nr_pages; i++) { - ret = follow_pte(vma, memmap->vma_base + i * PAGE_SIZE, - &ptep, &ptl); + struct follow_pfnmap_args args = { + .vma = vma, + .address = memmap->vma_base + i * PAGE_SIZE, + }; + + ret = follow_pfnmap_start(&args); if (ret) break; - cur_pfn = pte_pfn(ptep_get(ptep)); + cur_pfn = args.pfn; if (i == 0) start_pfn = cur_pfn; - writable = !!pte_write(ptep_get(ptep)); - pte_unmap_unlock(ptep, ptl); + writable = args.writable; + follow_pfnmap_end(&args); /* Disallow write access if the PTE is not writable. */ if (!writable && _ Patches currently in -mm which might be from peterx@redhat.com are