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On 01/11/2018 05:02 PM, Rich Freeman wrote: |
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> On Thu, Jan 11, 2018 at 5:41 PM, Mick <michaelkintzios@×××××.com> wrote: |
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>> Most vendors only sell Intel in their laptops. I could build a desktop I |
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>> guess, but Ryzen is also affected by Spectre. With Intel's burning platform I |
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>> want to jump off, but I'm not sure if spending money at this stage will |
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>> materially improve my PC security ... or if it is wiser to wait for the next |
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>> round of 'improved' CPUs. |
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>> |
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> I wouldn't let Spectre drive you to hold off on buying a CPU. If |
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> you're happy with what you have stick with it. If not get what makes |
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> the most sense, which is probably Ryzen at this point unless your |
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> particular workload benefits from the marginal single-thread |
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> performance of Intel even after any Meltdown handicaps. |
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> |
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> IMO Spectre is going to drive some microcode updates for relatively |
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> recent CPUs, compiler improvements, and some hand-tuning of |
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> particularly critical code. |
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> |
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|
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FYI : |
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|
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The microcode updates pushed out for AMD by Gentoo seem to be only for : |
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Fam16h, Fam17h CPUs. |
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|
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Fam15h, Fam10h, no change. |
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"dmesg" output unchanged, before and after updating. |
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( Yes, the firmware update is built-in to the kernel. ) |
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|
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[ 0.114108] smpboot: CPU0: AMD FX(tm)-9590 Eight-Core Processor |
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(family: 0x15, model: 0x2, stepping: 0x0) |
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[ 0.114113] Performance Events: Fam15h core perfctr, AMD PMU driver. |
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|
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[ 10.296207] microcode: microcode updated early to new |
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patch_level=0x0600084f |
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[ 10.296915] microcode: CPU0: patch_level=0x0600084f |
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[ 10.297658] microcode: CPU1: patch_level=0x0600084f |
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[ 10.298338] microcode: CPU2: patch_level=0x0600084f |
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[ 10.299093] microcode: CPU3: patch_level=0x0600084f |
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[ 10.299813] microcode: CPU4: patch_level=0x0600084f |
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[ 10.300502] microcode: CPU5: patch_level=0x0600084f |
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[ 10.301193] microcode: CPU6: patch_level=0x0600084f |
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[ 10.301849] microcode: CPU7: patch_level=0x0600084f |
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[ 10.302601] microcode: Microcode Update Driver: v2.01 |
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<tigran@×××××××××××××××××.uk>, Peter Oruba |
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