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Re: [PATCH] kbuild: disable clang's default use of -fmerge-all-con ...

Linus Torvalds writes: (Summary) And thanks for noticing the behavior wrt the correct gcc merging. the correct gcc merging.[...] lot for your feedback! ] So since it's your patch and the only known...

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Re: [RFC PATCH 0/3] kernel: add support for 256-bit IO access

Linus Torvalds writes: (Summary) Of course all those features are enabled. course all those features are enabled.[...] Note that this is with an AVX (128-bit) supporting CPU: That's weak even by modern...

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Re: [PATCH] target: Use WARNON_NON_RT(!irqs_disabled())

Linus Torvalds writes: (Summary) [ Adding PeterZ to participants due to query about lockdep_assert() ] [ Adding PeterZ to participants due to query about lockdep_assert() ] On Wed, Mar 21, 2018 at 8:38...

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Re: syzbot dashboard

Linus Torvalds writes: (Summary) At that point, *if* a report has a reproducer, then sending reminders to people with "this still happens, here's a link to the syzkaller page for this report" might be...

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Re: detecting integer constant expressions in macros

Linus Torvalds writes: (Summary) For an expression that isn't constant, it's a bit less obvious, and depends on knowing that "~x+1" is the same as "-x" in 2's complement. "-x" in 2's complement. Of...

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Re: [RFC PATCH 2/3] x86/io: implement 256-bit IO read and write

Linus Torvalds writes: (Summary) wrote:[...] memcpy_fromio or memcpy_toio operations? Yes, doing something like "memcpy_fromio_avx()" is much more palatable, in that it works like the crypto functions...

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Re: [PATCH v5 0/2] Remove false-positive VLAs when using max()

Linus Torvalds writes: (Summary) wrote: [...] Seems like it doesn't like void * arguments: Yeah, that was discussed separately, I just didn't realize we had any such users. such users. As David said,...

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Re: [RFC PATCH 0/3] kernel: add support for 256-bit IO access

Linus Torvalds writes: (Summary) I think this is the really fundamental issue. I think this is the really fundamental issue. A device that expects PIO to do some kind of high-performance transaction is...

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Re: [RFC PATCH 2/3] x86/io: implement 256-bit IO read and write

Linus Torvalds writes: (Summary) It's the low-volume stuff that almost nobody uses and where the customer is used to the whole notion of boutique hardware, so they're used to having to do special...

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Re: [PATCH 23/45] sched: add do_sched_yield() helper; remove in-ke ...

Linus Torvalds writes: (Summary) We should encourage people to always send at least the cover-page to everybody who gets cc'd, even if they don't get the whole series. get the whole series. Anyway, to...

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Re: Any chance that kernel/uid6.c can go? [Was: [PATCH 22/45] kern ...

Linus Torvalds writes: (Summary) And those old uid system calls would be very much part of it. it. Sadly, I don't know where those old binaries are. There was a "bash.Z" as part of the 0.01 release....

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Re: [PATCH 00/45] remove in-kernel syscall invocations (part 3 == ...

Linus Torvalds writes: On Thu, Mar 22, 2018 at 2:00 AM, Dominik Brodowski<linux@dominikbrodowski.net> wrote:[...] the syscall entry path can be streamlined. Looks good to me. Looks good to me....

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Re: syzbot dashboard

Linus Torvalds writes: (Summary) I think the email should contain just the "report" and then a link to the full information. link to the full information. That would seem to be a good enough summary to...

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Re: [GIT PULL] ACPI fixes for v4.16-rc7

Linus Torvalds writes: (Summary) On Thu, Mar 22, 2018 at 4:05 PM, Rafael J. wrote: [...] acpi-4.16-rc4 I get I get fatal: Couldn't find remote ref acpi-4.16-rc4 fatal: Couldn't find remote ref...

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Re: [PATCH] target: Use WARNON_NON_RT(!irqs_disabled())

Linus Torvalds writes: (Summary) Please just delete both lines. Please just delete both lines. There is exactly two callers of that static function, and both of them do There is exactly two callers of...

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Re: [PATCH 00/11] Use global pages with PTI

Linus Torvalds writes: On Fri, Mar 23, 2018 at 10:44 AM, Dave Hansen<dave.hansen@linux.intel.com> wrote:[...] keeps us from having to create any new pti=foo options Sounds sane. Sounds sane. The...

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Re: syzbot dashboard

Linus Torvalds writes: (Summary) But that's still a bugfix. bugfix. So I think the config can stay purely on the web (for when you go "so how do I *reproduce* this?") along with the actual reproducer...

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Re: [PATCH 00/11] Use global pages with PTI

Linus Torvalds writes: (Summary) Even with PCID, a global TLB entry for the shared pages would make sense, because it's now just *one* entry in the TLB rather that "one per PCID and one for the kernel...

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Re: [PATCH 00/11] Use global pages with PTI

Linus Torvalds writes: (Summary) wrote:[...] whole "don't even do global entries if you have PCID". You always do global for the actual user-mapped kernel pages, but when you don't have PCID you do...

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Linux 4.16-rc7

Linus Torvalds writes: (Summary) Lu (2): x86/build/64: Force the linker to use 2MB page size x86/boot/64: Verify alignment of the LOAD segment Haim Dreyfuss (1): iwlwifi: Cancel and set MARKER_CMD...

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