From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: [PATCH 3.16 004/305] x86/mm: Simplify p[g4um]d_page() macros Date: Sun, 03 Feb 2019 14:45:08 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: akpm@linux-foundation.org, Denis Kirjanov , kasan-dev@googlegroups.com, Dave Young , Andy Lutomirski , Arnd Bergmann , Andrey Ryabinin , Dmitry Vyukov , Alexander Potapenko , Konrad Rzeszutek Wilk , linux-efi@vger.kernel.org, Jonathan Corbet , Brijesh Singh , Peter Zijlstra , Paolo Bonzini , Toshimitsu Kani , linux-doc@vger.kernel.org, Borislav Petkov , Thomas Gleixner , Wenkuan Wang , Tom Lendacky List-Id: linux-arch.vger.kernel.org 3.16.63-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Tom Lendacky commit fd7e315988b784509ba3f1b42f539bd0b1fca9bb upstream. Create a pgd_pfn() macro similar to the p[4um]d_pfn() macros and then use the p[g4um]d_pfn() macros in the p[g4um]d_page() macros instead of duplicating the code. Signed-off-by: Tom Lendacky Reviewed-by: Thomas Gleixner Reviewed-by: Borislav Petkov Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Brijesh Singh Cc: Dave Young Cc: Dmitry Vyukov Cc: Jonathan Corbet Cc: Konrad Rzeszutek Wilk Cc: Larry Woodman Cc: Linus Torvalds Cc: Matt Fleming Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Peter Zijlstra Cc: Radim Krčmář Cc: Rik van Riel Cc: Toshimitsu Kani Cc: kasan-dev@googlegroups.com Cc: kvm@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-efi@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/e61eb533a6d0aac941db2723d8aa63ef6b882dee.1500319216.git.thomas.lendacky@amd.com Signed-off-by: Ingo Molnar [Backported to 4.9 stable by AK, suggested by Michael Hocko] Signed-off-by: Andi Kleen Signed-off-by: Greg Kroah-Hartman Signed-off-by: Wenkuan Wang Signed-off-by: Ben Hutchings --- arch/x86/include/asm/pgtable.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -166,6 +166,11 @@ static inline unsigned long pud_pfn(pud_ return (pfn & pud_pfn_mask(pud)) >> PAGE_SHIFT; } +static inline unsigned long pgd_pfn(pgd_t pgd) +{ + return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; +} + #define pte_page(pte) pfn_to_page(pte_pfn(pte)) static inline int pmd_large(pmd_t pte) @@ -591,8 +596,7 @@ static inline unsigned long pmd_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pmd_page(pmd) \ - pfn_to_page((pmd_val(pmd) & pmd_pfn_mask(pmd)) >> PAGE_SHIFT) +#define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd)) /* * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] @@ -665,8 +669,7 @@ static inline unsigned long pud_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pud_page(pud) \ - pfn_to_page((pud_val(pud) & pud_pfn_mask(pud)) >> PAGE_SHIFT) +#define pud_page(pud) pfn_to_page(pud_pfn(pud)) /* Find an entry in the second-level page table.. */ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) @@ -706,7 +709,7 @@ static inline unsigned long pgd_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) +#define pgd_page(pgd) pfn_to_page(pgd_pfn(pgd)) /* to find an entry in a page-table-directory. */ static inline unsigned long pud_index(unsigned long address) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:53888 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728379AbfBCNuC (ORCPT ); Sun, 3 Feb 2019 08:50:02 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings Date: Sun, 03 Feb 2019 14:45:08 +0100 Message-ID: Subject: [PATCH 3.16 004/305] x86/mm: Simplify p[g4um]d_page() macros In-Reply-To: Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: akpm@linux-foundation.org, Denis Kirjanov , kasan-dev@googlegroups.com, Dave Young , Andy Lutomirski , Arnd Bergmann , Andrey Ryabinin , Dmitry Vyukov , Alexander Potapenko , Konrad Rzeszutek Wilk , linux-efi@vger.kernel.org, Jonathan Corbet , Brijesh Singh , Peter Zijlstra , Paolo Bonzini , Toshimitsu Kani , linux-doc@vger.kernel.org, Borislav Petkov , Thomas Gleixner , Wenkuan Wang , Tom Lendacky , linux-arch@vger.kernel.org, Rik van Riel , Matt Fleming , Larry Woodman , kvm@vger.kernel.org, linux-mm@kvack.org, Ingo Molnar , Linus Torvalds , Andi Kleen , Greg Kroah-Hartman , Borislav Petkov , "Michael S. Tsirkin" , Radim =?UTF-8?Q?Kr=C4=8Dm=C3=A1=C5=99?= Message-ID: <20190203134508.TSx1Nlul_6reAdqxnh0Iy9K4Dr5xrt2Fs2lVW7WG3Uk@z> 3.16.63-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Tom Lendacky commit fd7e315988b784509ba3f1b42f539bd0b1fca9bb upstream. Create a pgd_pfn() macro similar to the p[4um]d_pfn() macros and then use the p[g4um]d_pfn() macros in the p[g4um]d_page() macros instead of duplicating the code. Signed-off-by: Tom Lendacky Reviewed-by: Thomas Gleixner Reviewed-by: Borislav Petkov Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Brijesh Singh Cc: Dave Young Cc: Dmitry Vyukov Cc: Jonathan Corbet Cc: Konrad Rzeszutek Wilk Cc: Larry Woodman Cc: Linus Torvalds Cc: Matt Fleming Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Peter Zijlstra Cc: Radim Krčmář Cc: Rik van Riel Cc: Toshimitsu Kani Cc: kasan-dev@googlegroups.com Cc: kvm@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-efi@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/e61eb533a6d0aac941db2723d8aa63ef6b882dee.1500319216.git.thomas.lendacky@amd.com Signed-off-by: Ingo Molnar [Backported to 4.9 stable by AK, suggested by Michael Hocko] Signed-off-by: Andi Kleen Signed-off-by: Greg Kroah-Hartman Signed-off-by: Wenkuan Wang Signed-off-by: Ben Hutchings --- arch/x86/include/asm/pgtable.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -166,6 +166,11 @@ static inline unsigned long pud_pfn(pud_ return (pfn & pud_pfn_mask(pud)) >> PAGE_SHIFT; } +static inline unsigned long pgd_pfn(pgd_t pgd) +{ + return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; +} + #define pte_page(pte) pfn_to_page(pte_pfn(pte)) static inline int pmd_large(pmd_t pte) @@ -591,8 +596,7 @@ static inline unsigned long pmd_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pmd_page(pmd) \ - pfn_to_page((pmd_val(pmd) & pmd_pfn_mask(pmd)) >> PAGE_SHIFT) +#define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd)) /* * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] @@ -665,8 +669,7 @@ static inline unsigned long pud_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pud_page(pud) \ - pfn_to_page((pud_val(pud) & pud_pfn_mask(pud)) >> PAGE_SHIFT) +#define pud_page(pud) pfn_to_page(pud_pfn(pud)) /* Find an entry in the second-level page table.. */ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) @@ -706,7 +709,7 @@ static inline unsigned long pgd_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) +#define pgd_page(pgd) pfn_to_page(pgd_pfn(pgd)) /* to find an entry in a page-table-directory. */ static inline unsigned long pud_index(unsigned long address) From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: [PATCH 3.16 004/305] x86/mm: Simplify p[g4um]d_page() macros Date: Sun, 03 Feb 2019 14:45:08 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Cc: akpm@linux-foundation.org, Denis Kirjanov , kasan-dev@googlegroups.com, "Dave Young" , "Andy Lutomirski" , "Arnd Bergmann" , "Andrey Ryabinin" , "Dmitry Vyukov" , "Alexander Potapenko" , "Konrad Rzeszutek Wilk" , linux-efi@vger.kernel.org, "Jonathan Corbet" , "Brijesh Singh" , "Peter Zijlstra" , "Paolo Bonzini" , "Toshimitsu Kani" , linux-doc@vger.kernel.org, "Borislav Petkov" , "Thomas Gleixner" , "Wenkuan Wang" , "Tom Lendacky" Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 3.16.63-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Tom Lendacky commit fd7e315988b784509ba3f1b42f539bd0b1fca9bb upstream. Create a pgd_pfn() macro similar to the p[4um]d_pfn() macros and then use the p[g4um]d_pfn() macros in the p[g4um]d_page() macros instead of duplicating the code. Signed-off-by: Tom Lendacky Reviewed-by: Thomas Gleixner Reviewed-by: Borislav Petkov Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Brijesh Singh Cc: Dave Young Cc: Dmitry Vyukov Cc: Jonathan Corbet Cc: Konrad Rzeszutek Wilk Cc: Larry Woodman Cc: Linus Torvalds Cc: Matt Fleming Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Peter Zijlstra Cc: Radim Krčmář Cc: Rik van Riel Cc: Toshimitsu Kani Cc: kasan-dev@googlegroups.com Cc: kvm@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-efi@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/e61eb533a6d0aac941db2723d8aa63ef6b882dee.1500319216.git.thomas.lendacky@amd.com Signed-off-by: Ingo Molnar [Backported to 4.9 stable by AK, suggested by Michael Hocko] Signed-off-by: Andi Kleen Signed-off-by: Greg Kroah-Hartman Signed-off-by: Wenkuan Wang Signed-off-by: Ben Hutchings --- arch/x86/include/asm/pgtable.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -166,6 +166,11 @@ static inline unsigned long pud_pfn(pud_ return (pfn & pud_pfn_mask(pud)) >> PAGE_SHIFT; } +static inline unsigned long pgd_pfn(pgd_t pgd) +{ + return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; +} + #define pte_page(pte) pfn_to_page(pte_pfn(pte)) static inline int pmd_large(pmd_t pte) @@ -591,8 +596,7 @@ static inline unsigned long pmd_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pmd_page(pmd) \ - pfn_to_page((pmd_val(pmd) & pmd_pfn_mask(pmd)) >> PAGE_SHIFT) +#define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd)) /* * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] @@ -665,8 +669,7 @@ static inline unsigned long pud_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pud_page(pud) \ - pfn_to_page((pud_val(pud) & pud_pfn_mask(pud)) >> PAGE_SHIFT) +#define pud_page(pud) pfn_to_page(pud_pfn(pud)) /* Find an entry in the second-level page table.. */ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) @@ -706,7 +709,7 @@ static inline unsigned long pgd_page_vad * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ -#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) +#define pgd_page(pgd) pfn_to_page(pgd_pfn(pgd)) /* to find an entry in a page-table-directory. */ static inline unsigned long pud_index(unsigned long address)