Rdmsrl_safe_on_cpu

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August undefined, 2024

Webx86/msr: Make rdmsrl_safe_on_cpu() scheduling safe as well When changing rdmsr_safe_on_cpu() to schedule, it was missed that __rdmsr_safe_on_cpu() was also … WebOn Fri, Jun 01, 2012 at 04:52:36PM +0200, Borislav Petkov wrote: > From: Borislav Petkov > There's no real reason why, when showing the MSRs on a CPU at boottime, > we should be using the AMD-specific variant. Simply use the generic safe > one which handles #GPs just fine. Acked-by: Konrad Rzeszutek Wilk …

[PATCH] perf/x86/intel: Use rdmsrl_safe when initializing RAPL PMU.

Webnative_ {rdmsr,wrmsr}_safe_regs are two new interfaces which allow presetting of a subset of eight x86 GPRs before executing the rd/wrmsr instructions. This is needed at least on AMD K8 for accessing an erratum workaround MSR. Originally based on an idea by H. Peter Anvin. Signed-off-by: Borislav Petkov --- WebOn Tue, Mar 27, 2024 at 08:22:33PM -0700, Eric Dumazet wrote: > When changing rdmsr_safe_on_cpu() to schedule, I missed that > __rdmsr_safe_on_cpu() was also used … share great great grandparents

Why are the results of rdmsr not consistency - Intel Communities

WebFeb 23, 2024 · This article provides a solution to an issue where a computer freezes or user logon is slow when you connect to the computer by using Remote Desktop Protocol … WebThis may happen when Linux is running under KVM and we are passing-through host F/M/S data, for example. Use rdmsrl_safe to first access the RAPL_POWER_UNIT MSR; if this fails, do not attempt to use this PMU. http://bricktou.com/arch/x86/include/asm/msrrdmsrl_safe_on_cpu_en.html poor boys junkyard maryland

[PATCH v2 1/2] x86, msr: add rdmsr_safe_on_cpu_resched() and …

Web"CPU Core May Machine Check When System Software Changes Page Tables Dynamically" - worked around by setting bit 47. 15h Errata 674 "Processor May Cache Prefetched Data from Remapped Memory Region" - worked around by setting bit 13. C001_1023: K8 Errata 69 "Multiprocessor Coherency Problem with Hardware Prefetch Mechanism" - worked around … WebApr 22, 2024 · To save Remote Desktop Connection Settings to RDP File in Windows 11/10, do the following: Press Windows key + Rto invoke the Run dialog. In the Run dialog box … share graph todayWebDec 14, 2024 · The rdmsr command reads a Model-Specific Register (MSR) value from the specified address. dbgcmd rdmsr Address Parameters Address Specifies the address of … poor boys lumber

"WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH] perf/x86/intel: Use rdmsrl_safe when initializing RAPL PMU. @ 2014-03-13 19:36 Venkatesh Srinivas … " - Rdmsrl_safe_on_cpu

Rdmsrl_safe_on_cpu

Linux kernel module for Zen workaround for rr · GitHub - Gist

WebAug 4, 2015 · perf/x86: Add an MSR PMU driver. This patch adds an MSR PMU to support free running MSR counters. Such. as time and freq related counters includes TSC, IA32_APERF, IA32_MPERF. and IA32_PPERF, but also SMI_COUNT. The events are exposed in sysfs for use by perf stat and other tools. WebLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA

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WebIn FIFA 14 you will enjoy international foot ball. and you can also play domestic games. The most interesting feature of this game is that. You can also enjoy many different kinds of popular leagues like English Premier League and La … WebMay 10, 2024 · Split lock is a memory bus lock supported by the CPU to support atomic memory accesses across a cache line. Some processors like ARM and RISC-V do not allow unaligned memory accesses and do not generate atomic accesses across cache lines, so split lock is not generated, while X86 supports it.

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Web15 hours ago · Every time my computer turns off, a tab goes to sleep, or I open window, it replaces that tab, sometimes ruining hours of work. I've tried Restarting to browser, restarting my computer, and messing ... (Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site … WebMar 23, 2024 · in deep sleep state or blocking hard IRQ in a a long section, then waiting for the answer can consume hundreds of usec. Converts rdmsr_safe_on_cpu () to use a …

WebJan 31, 2024 · Securing RDP. Take immediate steps to lock down your systems. First, always keep your RDP servers and clients up to date; never connect to an RDP server that …

WebThe steps to download mp3juice songs are as follows: Just enter the song you want to download. Click the search button. Select the song in the search results from the list. Can be filtered by online play. Click to download mp3. Continue … share graphite indiaWebMar 1, 2024 · rdmsrl_safe is called 4 times in the kernel module to read the specified performance counters. At this point, the user application has not called tsc_now yet. ioctl … share greyed out in onenoteWeb> The rdmsrl_safe() function returns 0 on success. > The current code was failing to detect the RAPL PMU > on real hardware (missing /sys/devices/power) because > the return value of rdmsrl_safe() was misinterpreted. > > Signed-off-by: Stephane Eranian Acked-by: Borislav Petkov -- Regards/Gruss, Boris. … share greenville sc contact numberWebFrom: Jacob Pan Having 64-bit MSR access methods on given CPU can avoid shifting and simplify MSR content manipulation. We already have other combinations of rdmsrl_xxx and wrmsrl_xxx but missing the _on_cpu version. share greyed out excelWebThese domains include package, DRAM controller, CPU core (Power Plane 0), graphics uncore (power plane 1), etc. The purpose of this driver is to expose RAPL for userspace consumption. Overall, RAPL fits in the new powercap class driver in that platform level power capping controls are exposed via this generic interface. Zhang, Rui's initial ... share greyed out edgeWebrdmsr is a tool used for reading a CPU's machine specific registers (MSR). Note: if you're running a Debian kernel, be sure that the msr.ko kernel module is loaded. 'modprobe msr' … poor boys luresWebThis patch adds rdmsr_safe_on_cpu_resched() which does not spin. I use this function from msr_read() but future patches might convert other callers to use this variant as well. … share green valley circle culver city ca