Re: [PATCH v23 21/28] mm: Re-introduce vm_flags to do_mmap()

From: Borislav Petkov <bp@alien8.de>
Date: 2021-03-18 16:13:55
Also in: linux-arch, linux-doc, linux-mm, lkml
Reply to: Yu, Yu-cheng, 2021-03-18

On Thu, Mar 18, 2021 at 08:59:28AM -0700, Yu, Yu-cheng wrote:

Right, do_mmap_pgoff() was removed by commit 45e55300f114.  This patch does
not add back the wrapper.  Instead, add vm_flags to do_mmap(). Please advice
if I misunderstand the question.

I'm just wondering why you even need to mention do_mmap_pgoff() since
that thing is gone now...

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette

Yu-cheng Yu · 2021-03-16
[PATCH v23 03/28] x86/cpufeatures: Add CET CPU feature flags for Control-flow Enforcement Technology (CET) · Yu-cheng Yu · 2021-03-16
[PATCH v23 01/28] Documentation/x86: Add CET description · Yu-cheng Yu · 2021-03-16
[PATCH v23 02/28] x86/cet/shstk: Add Kconfig option for user-mode control-flow protection · Yu-cheng Yu · 2021-03-16
[PATCH v23 07/28] x86/mm: Remove _PAGE_DIRTY from kernel RO pages · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 07/28] x86/mm: Remove _PAGE_DIRTY from kernel RO pages · Kirill A. Shutemov · 2021-03-22
Re: [PATCH v23 07/28] x86/mm: Remove _PAGE_DIRTY from kernel RO pages · Yu, Yu-cheng · 2021-03-22
[PATCH v23 04/28] x86/cpufeatures: Introduce X86_FEATURE_CET and setup functions · Yu-cheng Yu · 2021-03-16
[PATCH v23 08/28] x86/mm: Move pmd_write(), pud_write() up in the file · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 08/28] x86/mm: Move pmd_write(), pud_write() up in the file · Kirill A. Shutemov · 2021-03-22
[PATCH v23 05/28] x86/fpu/xstate: Introduce CET MSR and XSAVES supervisor states · Yu-cheng Yu · 2021-03-16
[PATCH v23 06/28] x86/cet: Add control-protection fault handler · Yu-cheng Yu · 2021-03-16
[PATCH v23 15/28] x86/mm: Update maybe_mkwrite() for shadow stack · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 15/28] x86/mm: Update maybe_mkwrite() for shadow stack · Borislav Petkov · 2021-03-17
Re: [PATCH v23 15/28] x86/mm: Update maybe_mkwrite() for shadow stack · Kirill A. Shutemov · 2021-03-22
[PATCH v23 12/28] x86/mm: Update ptep_set_wrprotect() and pmdp_set_wrprotect() for transition from _PAGE_DIRTY to _PAGE_COW · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 12/28] x86/mm: Update ptep_set_wrprotect() and pmdp_set_wrprotect() for transition from _PAGE_DIRTY to _PAGE_COW · Kirill A. Shutemov · 2021-03-22
Re: [PATCH v23 12/28] x86/mm: Update ptep_set_wrprotect() and pmdp_set_wrprotect() for transition from _PAGE_DIRTY to _PAGE_COW · Peter Zijlstra · 2021-03-22
Re: [PATCH v23 12/28] x86/mm: Update ptep_set_wrprotect() and pmdp_set_wrprotect() for transition from _PAGE_DIRTY to _PAGE_COW · Kirill A. Shutemov · 2021-03-22
[PATCH v23 11/28] x86/mm: Update pte_modify for _PAGE_COW · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 11/28] x86/mm: Update pte_modify for _PAGE_COW · Kirill A. Shutemov · 2021-03-22
[PATCH v23 10/28] drm/i915/gvt: Change _PAGE_DIRTY to _PAGE_DIRTY_BITS · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 10/28] drm/i915/gvt: Change _PAGE_DIRTY to _PAGE_DIRTY_BITS · Kirill A. Shutemov · 2021-03-22
[PATCH v23 21/28] mm: Re-introduce vm_flags to do_mmap() · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 21/28] mm: Re-introduce vm_flags to do_mmap() · Borislav Petkov · 2021-03-18
Re: [PATCH v23 21/28] mm: Re-introduce vm_flags to do_mmap() · Yu, Yu-cheng · 2021-03-18
Re: [PATCH v23 21/28] mm: Re-introduce vm_flags to do_mmap() · Borislav Petkov · 2021-03-18
[PATCH v23 09/28] x86/mm: Introduce _PAGE_COW · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 09/28] x86/mm: Introduce _PAGE_COW · Kirill A. Shutemov · 2021-03-22
[PATCH v23 19/28] mm: Update can_follow_write_pte() for shadow stack · Yu-cheng Yu · 2021-03-16
[PATCH v23 20/28] mm/mprotect: Exclude shadow stack from preserve_write · Yu-cheng Yu · 2021-03-16
[PATCH v23 14/28] x86/mm: Shadow Stack page fault error checking · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 14/28] x86/mm: Shadow Stack page fault error checking · Kirill A. Shutemov · 2021-03-22
Re: [PATCH v23 14/28] x86/mm: Shadow Stack page fault error checking · Yu, Yu-cheng · 2021-03-22
[PATCH v23 17/28] mm: Add guard pages around a shadow stack. · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 17/28] mm: Add guard pages around a shadow stack. · Kirill A. Shutemov · 2021-03-22
[PATCH v23 16/28] mm: Fixup places that call pte_mkwrite() directly · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 16/28] mm: Fixup places that call pte_mkwrite() directly · Borislav Petkov · 2021-03-18
Re: [PATCH v23 16/28] mm: Fixup places that call pte_mkwrite() directly · Borislav Petkov · 2021-03-18
[PATCH v23 23/28] x86/cet/shstk: Handle signals for shadow stack · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 23/28] x86/cet/shstk: Handle signals for shadow stack · Borislav Petkov · 2021-03-19
[PATCH v23 22/28] x86/cet/shstk: User-mode shadow stack support · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 22/28] x86/cet/shstk: User-mode shadow stack support · Borislav Petkov · 2021-03-18
Re: [PATCH v23 22/28] x86/cet/shstk: User-mode shadow stack support · Yu, Yu-cheng · 2021-03-18
Re: [PATCH v23 22/28] x86/cet/shstk: User-mode shadow stack support · Borislav Petkov · 2021-03-19
Re: [PATCH v23 22/28] x86/cet/shstk: User-mode shadow stack support · Yu, Yu-cheng · 2021-03-19
[PATCH v23 18/28] mm/mmap: Add shadow stack pages to memory accounting · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 18/28] mm/mmap: Add shadow stack pages to memory accounting · Kirill A. Shutemov · 2021-03-22
Re: [PATCH v23 18/28] mm/mmap: Add shadow stack pages to memory accounting · Yu, Yu-cheng · 2021-03-26
Re: [PATCH v23 18/28] mm/mmap: Add shadow stack pages to memory accounting · Kirill A. Shutemov · 2021-03-29
[PATCH v23 25/28] x86/cet/shstk: Handle thread shadow stack · Yu-cheng Yu · 2021-03-16
[PATCH v23 24/28] ELF: Introduce arch_setup_elf_property() · Yu-cheng Yu · 2021-03-16
[PATCH v23 13/28] mm: Introduce VM_SHSTK for shadow stack memory · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 13/28] mm: Introduce VM_SHSTK for shadow stack memory · Kirill A. Shutemov · 2021-03-22
[PATCH v23 27/28] mm: Move arch_calc_vm_prot_bits() to arch/x86/include/asm/mman.h · Yu-cheng Yu · 2021-03-16
[PATCH v23 26/28] x86/cet/shstk: Add arch_prctl functions for shadow stack · Yu-cheng Yu · 2021-03-16
[PATCH v23 28/28] mm: Introduce PROT_SHSTK for shadow stack · Yu-cheng Yu · 2021-03-16
Re: [PATCH v23 28/28] mm: Introduce PROT_SHSTK for shadow stack · Kirill A. Shutemov · 2021-03-22
Peter Zijlstra · 2021-03-16
Yu, Yu-cheng · 2021-03-16
Ingo Molnar · 2021-03-17
Peter Zijlstra · 2021-03-17
Yu, Yu-cheng · 2021-03-19
Yu, Yu-cheng · 2021-03-19
Peter Zijlstra · 2021-03-23
Yu, Yu-cheng · 2021-03-23
View all 66 messages

`h`	back out one level
`j`	next message in thread / next series-diff position
`k`	previous message in thread / previous series-diff position
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help