2024 Config_uaccess_with

Config_uaccess_with_memcpy

Author: fboc

August undefined, 2024

WebJun 26, 2024 · With CONFIG_UACCESS_WITH_MEMCPY enabled: # dd if=/dev/zero bs=16M count=1024 of=/dev/null 1024+0 records in 1024+0 records out 17179869184 bytes (17 GB, 16 GiB) copied, 8.32831 s, 2.1 … Webdefine CONFIG_UACCESS_MEMCPY, as they get the asm-generic version of get_kernel_nofault(). Maybe add that to the changelog, plus my Reviewed-by: Arnd Bergmann Do you have more of these? I'm happy to take them through the asm-generic tree, at least for architectures with no response from the maintainers …

[PATCH 4/8] asm-generic: prepare uaccess.h for a set_fs-less world

Web+config OPTIMIZED_IOMEM_MEMCPY + bool "Use kernel memcpy() for memcpy_{from,to}io() (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + … Web#ifndef __ASM_GENERIC_UACCESS_H: #define __ASM_GENERIC_UACCESS_H /* * User space memory access functions, these should work * on any machine that has … tarnopol mapa ukraina

[PATCH v7 1/3] x86: Add classes to exception tables

Web* [PATCH v7 1/3] x86: Add classes to exception tables 2016-01-05 0:05 [PATCH v7 0/3] Machine check recovery when kernel accesses poison Tony Luck @ 2015-12-30 17:59 ` Tony Luck 2016-01-06 12:33 ` Borislav Petkov 2016-01-06 12:36 ` Borislav Petkov 2015-12-31 19:40 ` [PATCH v7 2/3] x86, mce: Check for faults tagged in … Weblinux/arch/arm/lib/uaccess_with_memcpy.c Go to file Go to fileT Go to lineL Copy path Copy permalink This commit does not belong to any branch on this repository, and may … WebFeb 21, 2024 · Go to Start and open Control Panel. Select System and Security. Under Security and Maintenance, select Change User Account Control settings. Move the slider … tarnoplast

LKML: Ira Weiny: [PATCH 3/3] arm: uaccess: Remove …

[V2] ARM: mm: make UACCESS_WITH_MEMCPY huge page aware

Webconfigname: CONFIG_UACCESS_WITH_MEMCPY Linux Kernel Configuration └─> Kernel Features └─> Use kernel mem {cpy,set} () for {copy_to,clear}_user () Implement … WebJul 9, 2024 · From: Palmer Dabbelt To: Linus Torvalds Cc: [email protected], [email protected] Subject: [GIT PULL] RISC-V Patches for the 5.14 Merge Window, Part 1 Date: Fri, 09 Jul 2024 07:53:58 -0700 (PDT) [thread overview] Message-ID: … bateau jet ski sans permisWebCONFIG_UACCESS_WITH_MEMCPY=y # CONFIG_ATAGS is not set: CONFIG_ARM_APPENDED_DTB=y: CONFIG_ARM_ATAG_DTB_COMPAT=y: CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw" CONFIG_KEXEC=y: CONFIG_MODULES=y: CONFIG_MODULE_UNLOAD=y # … bateau johanna g

"WebFeb 16, 2024 · There are no remaining callers of set_fs(), so CONFIG_SET_FS can be removed globally, along with the thread_info field and any references to it. This turns access_ok() into a cheaper check against TASK_SIZE_MAX. With CONFIG_SET_FS gone, so drop all remaining references to set_fs()/get_fs(), mm_segment_t and uaccess_kernel(). " - Config_uaccess_with_memcpy

Config_uaccess_with_memcpy

include/asm-generic/uaccess.h - linux/torvalds/linux - Git at Google

WebPrevent this fatal condition by deploying memcpy_mcsafe() in the fsdax read path. The main differences between this copy_to_user_mcsafe() and copy_user_generic_unrolled() are: * Typical tail/residue handling after a fault retries the copy byte-by-byte until the fault happens again. Webconfig_uaccess_with_memcpy=y # config_atags is not set: config_kexec=y: config_vfp=y: config_neon=y: config_kernel_mode_neon=y: config_jump_label=y # config_blk_debug_fs is not set # config_mq_iosched_deadline is not set # config_mq_iosched_kyber is not set # config_core_dump_default_elf_headers is not set

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WebFrom: Stafford Horne To: Arnd Bergmann Cc: Linus Torvalds , Christoph Hellwig , [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], … WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 1/2] riscv: uaccess should be used in nommu mode @ 2024-03-03 9:34 Greentime Hu 2024-03-03 9:34 ` [PATCH 2/2] riscv: fix the IPI missing issue" Greentime Hu 2024-03-19 1:45 ` [PATCH 1/2] riscv: uaccess should be used" Palmer Dabbelt 0 siblings, 2 replies; 4+ messages …

WebFrom: Arnd Bergmann There are no more users of CONFIG_SET_FS left, so drop all remaining references to set_fs()/get_fs(), mm_segment_t WebJan 3, 2012 · Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL) CONFIG_UACCESS_WITH_MEMCPY: Implement faster copy_to_user and clear_user …

WebFeb 14, 2024 · Message ID: [email protected] (mailing list archive)State: Superseded: Headers: show Webce0067 fix the fix for CONFIG_UACCESS_WITH_MEMCPY Authored and Committed by Peter Robinson 7 years ago. raw patch tree parent. 1 file changed. 2 lines added. 0 lines …

Webx86, powerpc: Rename memcpy_mcsafe() to copy_mc_to_{user, kernel}() In reaction to a proposal to introduce a memcpy_mcsafe_fast() implementation Linus points out that memcpy_mcsafe() is poorly named relative to communicating the scope of the interface. Specifically what addresses are valid to pass as source, destination, and what faults /

Weblinux/arch/m68k/Kconfig Go to file Go to fileT Go to lineL Copy path Copy permalink This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Cannot retrieve contributors at this time 138 lines (109 sloc) 3 KB Raw Blame Edit this file E tarnovanu ofertaWebCONFIG_X86_MCE=n case. This had several knock-on effects. The proposed x86: copy_mc_generic() was internally checking for X86_FEATURE_ERMS and falling back to copy_mc_fragile(), however that fallback is not possible in the CONFIG_X86_MCE=n case when copy_mc_fragile() is compiled out. Instead, bateau johannaWebThis is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).mirroring instructions for how to clone and mirror all data and code used for … tarnosWebPut all the set_fs related code under CONFIG_SET_FS so that asm-generic/uaccess.h can be used for set_fs-less builds. Signed-off-by: Christoph Hellwig tarnoruda ukrainaWebSign in. code / linux / torvalds / linux / 2491f0a2c0b117b9097e9c9eee0c21f2e5f716d7 / . / include / asm-generic / uaccess.h. blob ... tarnovanu inaltimeWebDec 30, 2024 · Commit Message. Ira Weiny March 15, 2024, 11:20 p.m. UTC. Commit 21b56c847753 ("iov_iter: get rid of separate bvec and xarray callbacks") removed the calls to memcpy_page_flushcache (). Remove the unnecessary memcpy_page_flushcache () call. Cc: Al Viro Cc: "Dan Williams" … tarnova aradWebuaccess routines using page pinning & temporary kernel mapping is not something new, it has been done by Ingo long long ago [1] as part of 4G/4G user/kernel mapping implementation on x86, though not merged in mainline. Arnd has outlined basic design for vmsplit 4g/4g, uaccess routines using user page pinning plus kmap_atomic() is one part … tarnovanu