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| From: | "Holger Hoffstätte" <holger@××××××××××××××××××.com> | ||
|---|---|---|---|
| To: | gentoo-user@l.g.o | ||
| Subject: | [gentoo-user] Re: old kernels are installed during the upgrade | ||
| Date: | Thu, 04 Jan 2018 16:04:41 | ||
| Message-Id: | pan$4131b$60b7adde$c92b847e$11433c3e@applied-asynchrony.com | ||
| In Reply to: | Re: [gentoo-user] Re: old kernels are installed during the upgrade by Rich Freeman |
||
| 1 | On Wed, 03 Jan 2018 15:53:07 -0500, Rich Freeman wrote: |
| 2 | |
| 3 | > On Wed, Jan 3, 2018 at 3:35 PM, Wols Lists <antlists@××××××××××××.uk> wrote: |
| 4 | >> |
| 5 | >> And as I understand it the code can be disabled with either a compile |
| 6 | >> time option or command line switch to the kernel. |
| 7 | > |
| 8 | > I suspect the compile-time option is PAGE_TABLE_ISOLATION (which was |
| 9 | > newly added in 4.14.11). The command line option nopti will disable |
| 10 | > it at runtime. |
| 11 | > |
| 12 | > Rumor has it that it will be disabled on AMD CPUs in 4.14.12, but I |
| 13 | |
| 14 | That's not a rumor and it can be easily verified either here: |
| 15 | |
| 16 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-4.14/x86-cpu-x86-pti-do-not-enable-pti-on-amd-processors.patch |
| 17 | |
| 18 | or in mainline git, respectively. |
| 19 | |
| 20 | -h |
| Subject | Author |
|---|---|
| Re: [gentoo-user] Re: old kernels are installed during the upgrade | Rich Freeman <rich0@g.o> |