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What a new years start..

"Kernel memory leaking Intel processor design flaw forces Linux, Windows redesign"

"Crucially, these updates to both Linux and Windows will incur a performance hit on Intel products. The effects are still being benchmarked, however we're looking at a ballpark figure of five to 30 per cent slow down"

"It is understood the bug is present in modern Intel processors produced in the past decade. It allows normal user programs – from database applications to JavaScript in web browsers – to discern to some extent the layout or contents of protected kernel memory areas."

"The fix is to separate the kernel's memory completely from user processes using what's called Kernel Page Table Isolation, or KPTI. At one point, Forcefully Unmap Complete Kernel With Interrupt Trampolines, aka FUCKWIT, was mulled by the Linux kernel team, giving you an idea of how annoying this has been for the developers."

>How can this security hole be abused?

"At worst, the hole could be abused by programs and logged-in users to read the contents of the kernel's memory."

https://theregister.co.uk/2018/01/...

Comments
  • 3
    The only device I have with an Intel processor is my Surface book and I'd hate to see such amazing device getting a massive slowdown because of intel's fuckup.
    AMD FTW
  • 2
    Intel doessnt amaze me anymore. Half a year back they had announced for a very small circle, that their CPU had a major design flaw for years and if you were very unlucky, you could loose all your data on your drive through this.

    I think its funny how Intel always screws over their Customers. Im definitly switching over to AMD!
  • 9
    @MoboTheHobo Everyone going like: "But Intel is better for gaming, because games don't use more than 4 cores!"

    Uh I game with 3 virtual machines, 2 IDEs, Spotify and two webbrowsers open, and my Ryzen CPU is like "more work please, I'm getting cold".
  • 2
    @bittersweet man I am so tempted right now to get a Ryzen and throw away my very old PC... need to save money
  • 1
    @MrCSharp
    You can do a decent Ryzen build for about $500, might be worth checking out
  • 2
    @bittersweet
    Well, it doesn't make them wrong. For gaming only, intel cpus are better, and not many people have 30 things running in background.
  • 0
    Luckily I got a Ryzen 2 months ago.

    Stock performance is only 3.1GHz but online articles show multiple people reliably OC to 3.9.
  • 1
    Jesus Intel can't do anything right.
  • 0
    @Kulijana it's just that when the game utilizes 4C, there's 2 left to do anything else, e.g. listening to music, in-home or even actual streaming, depending on the game, a quick google search; without impacting the game very much. That and the (I think) lower mobo+cpu cost makes ryzen superior to me.
  • 0
    @Kulijana I think actually very few people run their games in a "sterile" environment.

    Power users have multiple displays, use discord, stream through twitch, watch YouTube walkthroughs, etc — while casual gamers tend to not control their environment at all and have their systray full of crap. In a world where Electron apps demand half a gigabyte of ram and 5% idle CPU, all scenarios are highly multithreaded.
  • 0
    @writeascript @bittersweet
    I agree that ryzen can deal with a lot of side things and have its game performance untouched, but that performance is still not as good as for intel cpus. I really love my 1600, its really amazing, specially comming from a 2 core athlon, and it has a lot going for it, but lets keep it real here guys, in most games its close-ish at best, and at some games it gets straight up blown out of the water(csgo most notably, due to an antique source engine).
  • 0
    @Kulijana to add a slight clarification, the fps in csgo is still good enough on ryzen, and rarely dips below 150, keeping itself around 200-250 usually, but you still cant get that insane fps like on an i7 where people keep it around 400-500
  • 0
    @Kulijana My eyes certainly do more than 30fps, but not far past 60. All games I play (within qemu on linux) stay far above 100. Regarding fps, I care more about consistency than big numbers anyway.
  • 1
    It slows postgres by up to 30% fuck... And most machines on ec2 are intel xeons
  • 0
    @irene
    Highly doubt it, gtx 1060
    On 1080p this gpu crushes everything, and I'm playing cs on an even lower res
  • 2
    @Kulijana
    Some people don't care about the difference between 30 FPS and 60FPS and you're sitting there complaining about 400 vs 200? Talk about first world problems...
  • 0
    @RiderExMachina if one pays a good (or any) amount of money for hardware, he can expect it to be used or perform to its full potential.

    You bought a phone and it only lasts 1 hour on battery, you change that battery and now it runs for 15 hours.

    Doesn't have anything to do with "caring" either, as thats especially subjective, one doesnt care that his phone runs only 1 hour because he doesnt need more, but I might do in some australian outback or not having the time to charge every other minute.

    If youre also clinging on that "your eyes can see only 24fps" meme, theres 144hz monitors which are utterly useless if underpowered below their fps and having more fps means having a lot more space until you actually feel the dip of frame drops, theres million of reasons why one would want to have his hardware perform best, if possible with just a slightly different configuration, outside of games too.
  • 0
    @JoshBent
    I think he wasn't actually attacking me, seemed more like a joke.
    @RiderExMachina
    Yeah, I love high refresh rate, specially in games like csgo, where you can never have enough fps, and even if you are limited by monitor frequency, you can still benefit from ridicolous framerates. Although something like skyrim, I'm fine with whatever the monitor frequency is.
  • 0
    @Kulijana In skyrim its day and night how much fps you get, especially with beautifier mods installed, you can never have enough fps in skyrim either.
  • 0
    @JoshBent emm, are you sure? Afaik the skyrim engine doesn't like the high fps that much, and it starts acting very wierd. For instance, when you walk in the room, all the items start flying around, or when you aproach some bears, they just catapult in the sky. I seen many people having this issue, and I had it too, thats why I cap it.
  • 0
    @Kulijana with original skyrim? never encountered that to be honest, I only saw those glitches happening when some mods fucked around too much or on the newer skyrim
  • 0
    @JoshBent i dont have the special edition, that might be fixed there, cant say
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