From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH v3 0/7] mm: Get rid of vmalloc_sync_(un)mappings() Date: Fri, 15 May 2020 16:16:57 +0200 Message-ID: <20200515141657.GF2940@hirez.programming.kicks-ass.net> References: <20200515140023.25469-1-joro@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20200515140023.25469-1-joro@8bytes.org> Sender: linux-acpi-owner@vger.kernel.org To: Joerg Roedel Cc: x86@kernel.org, hpa@zytor.com, Dave Hansen , Andy Lutomirski , rjw@rjwysocki.net, Arnd Bergmann , Andrew Morton , Steven Rostedt , Vlastimil Babka , Michal Hocko , Matthew Wilcox , Joerg Roedel , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org List-Id: linux-arch.vger.kernel.org On Fri, May 15, 2020 at 04:00:16PM +0200, Joerg Roedel wrote: > Joerg Roedel (7): > mm: Add functions to track page directory modifications > mm/vmalloc: Track which page-table levels were modified > mm/ioremap: Track which page-table levels were modified > x86/mm/64: Implement arch_sync_kernel_mappings() > x86/mm/32: Implement arch_sync_kernel_mappings() > mm: Remove vmalloc_sync_(un)mappings() > x86/mm: Remove vmalloc faulting > > arch/x86/include/asm/pgtable-2level_types.h | 2 + > arch/x86/include/asm/pgtable-3level_types.h | 2 + > arch/x86/include/asm/pgtable_64_types.h | 2 + > arch/x86/include/asm/switch_to.h | 23 --- > arch/x86/kernel/setup_percpu.c | 6 +- > arch/x86/mm/fault.c | 176 +------------------- > arch/x86/mm/init_64.c | 5 + > arch/x86/mm/pti.c | 8 +- > arch/x86/mm/tlb.c | 37 ---- > drivers/acpi/apei/ghes.c | 6 - > include/asm-generic/5level-fixup.h | 5 +- > include/asm-generic/pgtable.h | 23 +++ > include/linux/mm.h | 46 +++++ > include/linux/vmalloc.h | 18 +- > kernel/notifier.c | 1 - > kernel/trace/trace.c | 12 -- > lib/ioremap.c | 46 +++-- > mm/nommu.c | 12 -- > mm/vmalloc.c | 109 +++++++----- > 19 files changed, 204 insertions(+), 335 deletions(-) I'm thinking this improves the status-quo, so: Acked-by: Peter Zijlstra (Intel) Like Andy, I think I'd like x86_64 to pre-populate, but that can easily be done on top and should not hold this back. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 15 May 2020 16:16:57 +0200 From: Peter Zijlstra Subject: Re: [PATCH v3 0/7] mm: Get rid of vmalloc_sync_(un)mappings() Message-ID: <20200515141657.GF2940@hirez.programming.kicks-ass.net> References: <20200515140023.25469-1-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200515140023.25469-1-joro@8bytes.org> Sender: owner-linux-mm@kvack.org To: Joerg Roedel Cc: x86@kernel.org, hpa@zytor.com, Dave Hansen , Andy Lutomirski , rjw@rjwysocki.net, Arnd Bergmann , Andrew Morton , Steven Rostedt , Vlastimil Babka , Michal Hocko , Matthew Wilcox , Joerg Roedel , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org List-ID: Message-ID: <20200515141657.0b4Cn4OZMJFZbUws-9hr5ybHKbLrDYc5ZIXqqj_kCVE@z> On Fri, May 15, 2020 at 04:00:16PM +0200, Joerg Roedel wrote: > Joerg Roedel (7): > mm: Add functions to track page directory modifications > mm/vmalloc: Track which page-table levels were modified > mm/ioremap: Track which page-table levels were modified > x86/mm/64: Implement arch_sync_kernel_mappings() > x86/mm/32: Implement arch_sync_kernel_mappings() > mm: Remove vmalloc_sync_(un)mappings() > x86/mm: Remove vmalloc faulting > > arch/x86/include/asm/pgtable-2level_types.h | 2 + > arch/x86/include/asm/pgtable-3level_types.h | 2 + > arch/x86/include/asm/pgtable_64_types.h | 2 + > arch/x86/include/asm/switch_to.h | 23 --- > arch/x86/kernel/setup_percpu.c | 6 +- > arch/x86/mm/fault.c | 176 +------------------- > arch/x86/mm/init_64.c | 5 + > arch/x86/mm/pti.c | 8 +- > arch/x86/mm/tlb.c | 37 ---- > drivers/acpi/apei/ghes.c | 6 - > include/asm-generic/5level-fixup.h | 5 +- > include/asm-generic/pgtable.h | 23 +++ > include/linux/mm.h | 46 +++++ > include/linux/vmalloc.h | 18 +- > kernel/notifier.c | 1 - > kernel/trace/trace.c | 12 -- > lib/ioremap.c | 46 +++-- > mm/nommu.c | 12 -- > mm/vmalloc.c | 109 +++++++----- > 19 files changed, 204 insertions(+), 335 deletions(-) I'm thinking this improves the status-quo, so: Acked-by: Peter Zijlstra (Intel) Like Andy, I think I'd like x86_64 to pre-populate, but that can easily be done on top and should not hold this back.