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Re: [PATCH] x86/Kconfig: Further simplify the NR_CPUS config

Linus Torvalds writes: (Summary) Looks good to me. Looks good to me. At the risk of bike-shedding, we could remove all the At the risk of bike-shedding, we could remove all the default 1 if !SMP...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) On Sat, Feb 10, 2018 at 8:13 PM, Kees Cook <keescook@chromium.org> The mentioned script (and bugzilla) was from 2006, I assumed this was all historical. all...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) Ok, so this really ended up bothering me. Ok, so this really ended up bothering me. I was hoping to really just unify all the stupid compiler flag testing in just the...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) That actually sounds like we could just That actually sounds like we could just (a) make gcc 4.5 be the minimum required version (a) make gcc 4.5 be the minimum...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) wrote:[...] (b) actually error out if we find a bad compiler Just to explain why that's different from what we do not (apart from the "error out" thing to actually...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) With modern distros being at 7.3, and people testing pre-releases of gcc-8, something like gcc-4.5 is still pretty darn ancient. is still pretty darn ancient. But it...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) Arnd claimed that some architectures needed even newer-than-4.3, but I assume that's limited to things like RISC-V that simply don't have old gcc support at all. gcc...

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Re: [PATCH 00/31 v2] PTI support for x86_32

Linus Torvalds writes: (Summary) On Sun, Feb 11, 2018 at 11:42 AM, Andy Lutomirski <luto@amacapital.net> wrote: [...] At the risk of suggesting heresy, should we consider removing x86_32 support...

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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

Linus Torvalds writes: (Summary) wrote: [...] take it to 4.6 instead. So it sounds like Arnd knows what the distros have. Because I think that would actually be the best way to try to determine where...

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Re: [git pull] poll annotations - second round

Linus Torvalds writes: (Summary) On Sat, Feb 10, 2018 at 11:23 AM, Al Viro <viro@zeniv.linux.org.uk> wrote: [...] (ideally - just before -rc1) Ok, merged and scripted and final patch applied....

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Linux 4.16-rc1

Linus Torvalds writes: (Summary) Go out and test, Go out and test, Linus Linus--- Al Viro (10): poll annotations mqueue/bpf vfs cleanups kern_recvmsg reduction misc vfs updates get_user_pages_fast...

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Re: [tip:x86/pti] x86/entry/64: Introduce the PUSH_AND_CLEAN_REGS ...

Linus Torvalds writes: (Summary) On Mon, Feb 12, 2018 at 5:29 AM, Denys Vlasenko <dvlasenk@redhat.com> wrote: [...] I propose using xorl instead. Makes sense, and matches the other 'xorl'. Makes...

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Re: [PATCH v3 8/7] TESTING_ONLY x86/entry: reduce static footprint ...

Linus Torvalds writes: (Summary) Look at the "interrupt" macro, which is used by 'apicinterrupt3', and has a number of uses that way. has a number of uses that way. That code could be unified a lot,...

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Re: linux-next: unnecessary merge in the v4l-dvb tree

Linus Torvalds writes: (Summary) wrote: [...] signed tag (I forget the reasoning). The reasoning is to avoid losing the signature from the tag (when merging a signed tag, the signature gets inserted...

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Re: linux-next: unnecessary merge in the v4l-dvb tree

Linus Torvalds writes: (Summary) I think the commit that actually introduced the behavior was I think the commit that actually introduced the behavior was fab47d057: merge: force edit and no-ff mode...

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Re: linux-next: unnecessary merge in the v4l-dvb tree

Linus Torvalds writes: (Summary) wrote: [...] grabbing from branch tips, not tags? I'm actually encouraging maintainers to *not* start their work on some random "kernel of the day". random "kernel of...

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Re: [PATCH 00/31 v2] PTI support for x86_32

Linus Torvalds writes: (Summary) It used to be autofs (I actually added that whole "packetized pipe" model just to make automount "just w ork" even though the stupid protocol used a pipe to send...

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Re: linux-next: unnecessary merge in the v4l-dvb tree

Linus Torvalds writes: (Summary) On Tue, Feb 13, 2018 at 9:18 AM, Junio C Hamano <gitster@pobox.com> Yes, that sounds like the right thing to do. Oooh. Yes, that sounds like the right thing to...

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Re: clang asm-goto support (Was Re: [PATCH v2] x86/retpoline: Add ...

Linus Torvalds writes: (Summary) wrote: [...] extension of it. Side note: one thing that limits "asm goto" in gcc is the fact that you can't have outputs. you can't have outputs. If clang people are...

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Re: clang asm-goto support (Was Re: [PATCH v2] x86/retpoline: Add ...

Linus Torvalds writes: (Summary) wrote: [...] do runtime branch patching. Side note: I have a patch to the user access code to do "asm goto" for the exception handling too. the exception handling too....

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