2024 Config_refcount

Config_refcount_full

Author: utcs

August undefined, 2024

WebCONFIG_REFCOUNT_FULL - - Enabling this switches the refcounting infrastructure from a fast unchecked atomic_t implementation to a fully state checked implementation, which … WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH RFC v2] Convert struct pid count to refcount_t @ 2024-06-24 18:45 Joel Fernandes (Google) 2024-06-24 18:52 ` Joel Fernandes 2024-06-29 14:30 ` Andrea Parri 0 siblings, 2 replies; 7+ messages in thread From: Joel Fernandes (Google) @ 2024-06-24 18:45 UTC (permalink / raw) To: …

[PATCH v2] refcount: Create unchecked atomic_t implementation

WebJul 5, 2024 · This document describes how to troubleshoot IP connectivity problems in a NAT environment. Prerequisites Requirements There are no specific requirements for this document. Components Used This document is not restricted to specific software and hardware versions. WebOct 22, 2024 · INFO: Value requested for CONFIG_REFCOUNT_FULL not in final .config Value requested for CONFIG_MEMORY_HOTREMOVE not in final .config Value … health insurance for single mom and child

ReactiveX - RefCount operator

WebJan 14, 2016 · Patch 3's full commit log: This implements refcount_t overflow protection on x86 without a noticeable performance impact, though without the fuller checking of … WebJun 29, 2024 · June 29, 2024. Kconfig is a tool For Checking The Hardening Options In The Linux Kernel Config. There are plenty of Linux kernel hardening config options. A lot of … Web* [PATCH] Convert struct pid count to refcount_t @ 2024-03-27 14:53 Joel Fernandes (Google) 2024-03-28 0:06 ` Kees Cook 0 siblings, 1 reply; 30+ messages in thread From: Joel Fernandes (Google) @ 2024-03-27 14:53 UTC (permalink / raw) To: linux-kernel Cc: Joel Fernandes (Google), keescook, kernel-team, kernel-hardening, Andrew Morton, Eric … good bts username

locking/refcount: Improve performance of generic …

ERROR: Failed to construct requested .config file #1170

WebNov 23, 2024 · A bit more code, but still pretty simple: Call Connect on the ConnectableObservable if refcount goes up to 1, disconnect if it goes down to 0. Put the … WebCONFIG_REFCOUNT_FULL Since Peter Zijlstra implemented the refcount_t API in v4.11, Elena Reshetova (with Hans Liljestrand and David Windsor) has been systematically … good btd battles strategyWebMar 13, 2024 · * CONFIG_REFCOUNT_FULL refuses to move a refcount at all on an * over-sub, so we have to track our starting position instead of * looking only at zero-pinning. */ if ... * Only CONFIG_REFCOUNT_FULL provides this protection currently. */ void lkdtm_REFCOUNT_INC_ZERO (void) {refcount_t zero = REFCOUNT_INIT (0); good brush for german shepherds

"Web*RESEND PATCH v4 00/10] Rework REFCOUNT_FULL using atomic_fetch_* operations @ 2024-11-21 11:58 Will Deacon 2024-11-21 11:58 ` [RESEND PATCH v4 01/10] lib/refcount: Define constants for saturation and max refcount values Will Deacon ` (11 more replies) 0 siblings, 12 replies; 36+ messages in thread From: Will Deacon @ 2024 … " - Config_refcount_full

Config_refcount_full

204221 – snd_pcm_group_unref: refcount underflow - Linux kernel

WebCONFIG_REFCOUNT_FULL: Perform full reference count validation at the expense of speed General informations The Linux kernel configuration item CONFIG_REFCOUNT_FULL: prompt: Perform full reference count validation at the expense of speed type: bool depends on: (none) defined in arch/Kconfig found in Linux … WebOct 21, 2024 · CONFIG_REFCOUNT_FULL has gone since kernel v5.5 · Issue #1168 · kata-containers/packaging · GitHub. This repository has been archived by the owner on …

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WebA sample .conf file is available with full comments. (It may already be installed on your distribution as default.conf.sample.) The file uses a simple format of key=value, with one … WebJun 18, 2024 · Motivation There are plenty of Linux kernel hardening config options. A lot of them are not enabled by the major distros. We have to enable these options ourselves to make our systems more secure. But nobody likes checking configs manually. So let the computers do their job! kconfig-hardened-check.py helps me to check the Linux …

WebCONFIG_REFCOUNT_FULL must be enabled. NOTE: automatic kernel builder for some reason doesn't like all my network branches and regularly times out the builds on these … WebThis is the reason we ended up enabling CONFIG_REFCOUNT_FULL >> for arm64. I will let others comment on whether we want this patch in >> the first place, Dear Ard, Dave, I wanna hear some comment on above point. Is CONFIG_REFCOUNT_FULL much better for arm? If it is, I don't need to prepare v2 patch. (then, just needed to add "select …

WebCONFIG_REFCOUNT_FULL must be enabled. NOTE: automatic kernel builder for some reason doesn't like all my network branches and regularly times out the builds on these branches. Suggestion for "waiting a day for a good coverage" doesn't work, as we have seen with generic network conversions. So please wait for the Web+ of some full refcount state checks. The refcount overflow condition, + however, must be retained. Catching overflows is the primary + security concern for protecting against bugs in reference counts. + config REFCOUNT_FULL bool "Perform full reference count validation at the expense of speed" help diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig

WebIn an effort to improve performance of the REFCOUNT_FULL implementation, move the bulk of its functions into linux/refcount.h. This allows them ... @@ -45,22 +45,241 @@ static inline unsigned int refcount_read(const refcount_t *r)} #ifdef CONFIG_REFCOUNT_FULL +#include #define REFCOUNT_MAX …

WebOct 21, 2024 · CONFIG_REFCOUNT_FULL has gone since kernel v5.5 · Issue #1168 · kata-containers/packaging · GitHub This repository has been archived by the owner on May 12, 2024. It is now read-only. kata-containers / packaging Public archive Notifications Fork 97 Star 118 Issues Pull requests Actions Projects Wiki Insights health insurance for small businessWebCONFIG_KCOV=y CONFIG_KCOV_INSTRUMENT_ALL=y CONFIG_KCOV_ENABLE_COMPARISONS=y CONFIG_DEBUG_FS=y Note that CONFIG_KCOV_ENABLE_COMPARISONS feature also requires gcc8+ and the following commits if you are testing an old kernel: kcov: support comparison operands collection … good bubble bathWebApr 28, 2024 · refcount_full 这个是一个针对引用计数的溢出保护，在对引用计数操作的函数中添加指令检测refcount是否为负。如果没有这个保护，内核对象引用计数不断增加， … health insurance for small business in nyWebJul 10, 2024 · The new CONFIG_REFCOUNT_FULL configuration option can be used to select a version of the refcount_t reference-count implementation that drops the overflow tests to gain a bit more performance. By default, this option is enabled. The new "mux" driver subsystem provides support for multiplexer controllers that manage multiple devices. good bubble bath for womenWebOct 22, 2024 · Doesn't happen CONFIG_REFCOUNT_FULL not set. it seems first to appear after this settings: fs.file-max = 51200 net.core.rmem_max = 67108864 … health insurance for single person floridaWebThe general approach is identical: the existing atomic_t helpers are cloned for refcount_t, with the arithmetic instruction modified to set the PSTATE flags, and one or two branch instructions added that jump to an out of line handler if overflow, decrement to zero or increment from zero are detected. health insurance for small churchesWebNov 25, 2024 · -config REFCOUNT_FULL - bool "Perform full reference count validation at the expense of speed" - help - Enabling this switches the refcounting infrastructure from a fast - unchecked atomic_t implementation to a fully state checked - implementation, which can be (slightly) slower but provides protections good bubble fonts