Re: [RFC 09/10] x86/enter: Create macros to restrict/unrestrict In ...
Linus Torvalds writes: (Summary) Not doing the right thing for meltdown would be completely unacceptable. would be completely unacceptable. So the IBRS garbage implies that Intel is _not_ planning on...
View Article*Not* final 4.15 this weekend
Linus Torvalds writes: (Summary) Tsirkin (1): ptr_ring: document usage around __ptr_ring_peek Michal Suchanek (1): powerpc/pseries: include linux/types.h in asm/hvcall.h Mike Maloney (1): ipv6: fix...
View ArticleRe: [RFC 09/10] x86/enter: Create macros to restrict/unrestrict In ...
Linus Torvalds writes: (Summary) On Sun, Jan 21, 2018 at 2:00 PM, David Woodhouse <dwmw2@infradead.org> Odd intel naming detail. If you look at this series, it very much does that kernel...
View ArticleRe: [PATCHv2] mm, page_vma_mapped: Drop faulty pointer arithmetics ...
Linus Torvalds writes: On Sun, Jan 21, 2018 at 3:49 PM, Tetsuo Handa<penguin-kernel@i-love.sakura.ne.jp> wrote:[...] the object side does not change. Ok, thanks for checking. Ok, thanks for...
View ArticleRe: [RFC PATCH 00/16] PTI support for x86-32
Linus Torvalds writes: (Summary) It might not be entirely reliable for all microarchitectures, though. microarchitectures, though.[...] ation[...] ike[...] protection if needed (and then enable PTI)?...
View ArticleRe: [PATCH] x86/retpoline/entry: Disable the entire SYSCALL64 fast ...
Linus Torvalds writes: (Summary) Compared to all the PTI mess, it's not even noticeable. all the PTI mess, it's not even noticeable. And if we ever get CPU's that have this all fixed, we can re-visit...
View ArticleRe: [mm 4.15-rc8] Random oopses under memory pressure.
Linus Torvalds writes: (Summary) On Mon, Jan 22, 2018 at 5:26 AM, Rasmus Villemoes<rasmus.villemoes@prevas.dk> I have definitely seen gcc generate the difference with a divide. I have definitely...
View ArticleRe: [PATCH] mm, page_vma_mapped: Introduce pfn_in_hpage()
Linus Torvalds writes: On Mon, Jan 22, 2018 at 1:22 AM, Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote:[...] better to do this explicitly. Thanks, I applied it directly, since your...
View ArticleRe: [RFC PATCH 00/16] PTI support for x86-32
Linus Torvalds writes: (Summary) the limit check is actually fairly natural to do early rather than late (since it acts on the linear address _before_ base add and TLB lookup). _before_ base add and...
View ArticleRe: [PATCH v6 3/4] vfs: Add timestamp_truncate() api
Linus Torvalds writes: (Summary) wrote: [...] + t.tv_nsec -= t.tv_nsec % gran; This doesn't actuall ywork if tv_nsec is negative. This doesn't actuall ywork if tv_nsec is negative. Which may not be an...
View ArticleRe: [PATCHv6, RESEND 4/4] x86/boot/compressed/64: Handle 5-level p ...
Linus Torvalds writes: On Tue, Jan 23, 2018 at 9:09 AM, Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote:[...] code becomes unreachable to the CPU. I do wonder if we need this. Why...
View ArticleRe: [RFC PATCH 0/4] softirq: Per vector threading v3
Linus Torvalds writes: (Summary) workqueues seem to use cond_resched_rcu_qs(), which does a cond_resched() (and a RCU quiescent note). cond_resched() (and a RCU quiescent note). But I wonder if the...
View ArticleRe: [PATCH v2 5/5] x86/pti: Do not enable PTI on fixed Intel proce ...
Linus Torvalds writes: (Summary) Whether it gets to a cache replacement or not is unclear. a cache replacement or not is unclear. So that naming is very misleading. So that naming is very misleading....
View ArticleRe: [GIT PULL] PCI fixes for v4.15
Linus Torvalds writes: (Summary) On Tue, Jan 23, 2018 at 11:56 AM, Bjorn Helgaas <helgaas@kernel.org> wrote: [...] (Christian K=C3=B6nig) Bjorn, I think you need to look at your email habits. I...
View ArticleRe: [GIT PULL] PCI fixes for v4.15
Linus Torvalds writes: (Summary) It happened before too, so there's three of them: git log --author=ckoenig.leichtzumerken@gmail.com git log --author=ckoenig.leichtzumerken@gmail.com it's also possible...
View ArticleRe: [GIT PULL] PCI fixes for v4.15
Linus Torvalds writes: (Summary) charset=3Dutf-8 only applies to the *body* of the email. only applies to the *body* of the email. So then the email handling tools have to handle that correctly, and as...
View ArticleRe: [GIT PULL] PCI fixes for v4.15
Linus Torvalds writes: (Summary) Git will auto-convert invalid utf-8 by assuming it is latin1, so it all ends up working, but Christian did something wrong in his mailer too. too. I suspect that the...
View ArticleRe: [tip:perf/urgent] perf/core: Fix lock inversion between perf,t ...
Linus Torvalds writes: (Summary) That's a subtle gotcha when you cut-and-paste things into the editor when editing a commit message (including the "git rebase -i" or "git commit --amend" kind of...
View ArticleRe: [PATCH] Revert "module: Add retpoline tag to VERMAGIC"
Linus Torvalds writes: On Wed, Jan 24, 2018 at 6:28 AM, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:[...] tree now so this doesn't get into 4.15? Applied. Applied. Linus Linus Linus
View ArticleRe: [PATCH] lib/strscpy: remove word-at-a-time optimization.
Linus Torvalds writes: (Summary) A big part of this all is branch mispredicts, you shouldn't just hand it the pattern on a plate. just hand it the pattern on a plate. Anyway, the reason I really...
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