Re: [RFD] x86: The future of MPX
Linus Torvalds writes: (Summary) On Sat, Apr 28, 2018 at 2:18 AM Ingo Molnar <mingo@kernel.org> wrote: [...] I just tried the MPX testcases with the latest kernel: [...]...
View ArticleRe: [RFD] x86: The future of MPX
Linus Torvalds writes: (Summary) On Sat, Apr 28, 2018 at 9:36 AM Linus Torvalds < If the MPX stuff isn't supported by gcc, then there is little point in us supporting it in the kernel either. So I'm...
View ArticleRe: [PATCH] MAINTAINERS: add myself as maintainer of AFFS
Linus Torvalds writes: (Summary) On Sat, Apr 28, 2018 at 10:07 AM David Sterba <dsterba@suse.com> 10), but the actual patch itself only adds one, and modifies another: only adds one, and modifies...
View ArticleRe: [crng_reseed] WARNING: inconsistent lock state
Linus Torvalds writes: (Summary) On Sat, Apr 28, 2018 at 7:26 PM Fengguang Wu <fengguang.wu@intel.com> wrote: [...] It looks like a new regression.[...] It occurs in 3 out of 3 boots.[...]...
View ArticleRe: [llc_ui_release] BUG: unable to handle kernel NULL pointer der ...
Linus Torvalds writes: On Sat, Apr 28, 2018 at 7:12 PM Fengguang Wu <fengguang.wu@intel.com> wrote: On Sat, Apr 28, 2018 at 7:12 PM Fengguang Wu <fengguang.wu@intel.com> wrote: [...] It...
View ArticleLinux 4.17-rc3
Linus Torvalds writes: (Summary) "Abort" ixgbevf: ensure xdp_ring resources are free'd on error exit Collin May (1): USB: serial: simple: add libtransistor console Cong Wang (3): netfilter: conntrack:...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) wrote: [...] opposed. Yeah, I hate this, because it will make people paper over their problems by just booting with that option. just booting with that option. I think...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) wrote: [...] that[...] are missing the good entropy.[...] happens once during boot. No, if people use the command line option, *all* pointers - not just the boot-time...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) Avoid a boot-time parameter by just saying saying "if you have hardware random number generation, we can fill entropy immediately" immediately" No kernel command line...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) On Mon, Apr 30, 2018 at 10:06 AM Randy Dunlap <rdunlap@infradead.org> wrote: [...] kernel developer will have an IvyBridge or newer.[...] any paid kernel...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) (Untested.) Looks workable. Looks workable.[...] + } Small tweak: you should check the return value of get_random_bytes_arch(), because in theory it can fail. because...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) On Mon, Apr 30, 2018 at 12:16 PM Kees Cook <keescook@chromium.org> wrote: On Mon, Apr 30, 2018 at 12:16 PM Kees Cook <keescook@chromium.org> But if there...
View ArticleRe: Hashed pointer issues
Linus Torvalds writes: (Summary) I think it's fine for this kind of "initialize hashing state" thing, but I would hate for somebody to actually use "get_random_bytes_arch()" as an actual source of...
View ArticleRe: Suboptimal inline heuristics due to non-code sections
Linus Torvalds writes: (Summary) On Tue, May 1, 2018 at 9:46 AM Nadav Amit <namit@vmware.com> From the gcc docs: From the gcc docs: Some targets require that GCC track the size of each...
View ArticleRe: [v4.17-rcx] Lost IBPB, IBRS_FW support for spectre_v2 mitigation.
Linus Torvalds writes: (Summary) wrote: [...] fix it. So I do think that the original patch is buggy. So I do think that the original patch is buggy. What I think *may* be going on is: What I think...
View ArticleRe: [PATCH 0/6] use memcpy_mcsafe() for copy_to_iter()
Linus Torvalds writes: (Summary) On Tue, May 1, 2018 at 1:55 PM Dan Williams <dan.j.williams@intel.com> wrote: wrote:[...] path. How about just changing the rules, and go the old "Don't do that...
View ArticleRe: [PATCH 0/6] use memcpy_mcsafe() for copy_to_iter()
Linus Torvalds writes: (Summary) - for a user access the IO error flag potentially causes a SIGBUS as you mention, but even there it's not 100% clear that's necessarily possible or a good idea (I'm...
View ArticleRe: [PATCH 3/3] vsprintf: Add use-early-random-bytes cmd line option
Linus Torvalds writes: (Summary) On Tue, May 1, 2018 at 4:34 PM Tobin C. wrote: On Tue, May 1, 2018 at 4:34 PM Tobin C. I think with your fixes to get_random_bytes_arch(), it's perfectly fine to use on...
View ArticleRe: [PATCH 3/3] vsprintf: Add use-early-random-bytes cmd line option
Linus Torvalds writes: (Summary) On Tue, May 1, 2018 at 6:45 PM Steven Rostedt <rostedt@goodmis.org> wrote: On Tue, May 1, 2018 at 6:45 PM Steven Rostedt <rostedt@goodmis.org> wrote: [...]...
View ArticleRe: [PATCH 0/6] use memcpy_mcsafe() for copy_to_iter()
Linus Torvalds writes: (Summary) On Tue, May 1, 2018 at 7:26 PM Dan Williams <dan.j.williams@intel.com> Why not just unmap the page and remap a new page in its place? Meaning that it needs...
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