Re: [PATCH 0/6] use memcpy_mcsafe() for copy_to_iter()
Linus Torvalds writes: (Summary) I'm not talking page cache indirection. I'm not talking page cache indirection. I'm talking literally mapping a different page into the kernel virtual address space...
View ArticleRe: [PATCH 0/6] use memcpy_mcsafe() for copy_to_iter()
Linus Torvalds writes: (Summary) Ablout half of the lines in the patch set comes from that thing. comes from that thing. Is anybody seriously going to use pmem with some in-order chip that can't even...
View ArticleRe: [PATCH 0/6] use memcpy_mcsafe() for copy_to_iter()
Linus Torvalds writes: (Summary) But there's a big gap between "just use 'rep movs' and 'do some cacheline unrollong'". unrollong'". Why isn't it just doing a simple word-at-a-time loop and letting the...
View ArticleRe: [PATCH 5/6 resend] statfs: add ST_SLAVE
Linus Torvalds writes: No explanation, no nothing? No explanation, no nothing? NAK. NAK. Linus Linus Linus
View ArticleRe: [PATCH 2/2] mm: Add kvmalloc_ab_c and kvzalloc_struct
Linus Torvalds writes: (Summary) We should not do a stupid divide, because we damn well know that it is NOT VALID to allocate arrays that have hundreds of fthousands of elements, or where the size of...
View ArticleRe: [PATCH 2/2] mm: Add kvmalloc_ab_c and kvzalloc_struct
Linus Torvalds writes: (Summary) [...] I find your faith in the size of structs in the kernel touching ;-) I *really* hope some of those examples of yours aren't allocated with kmalloc using this...
View ArticleRe: [RFC] Removal of CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX
Linus Torvalds writes: (Summary) On Sat, May 5, 2018 at 12:17 AM Masahiro Yamada < Let's not keep legacy stuff that complicates things around unless necessary. unless necessary. Even if there might...
View ArticleLinux 4.17-rc4
Linus Torvalds writes: (Summary) SAI4 clocks clk: stm32mp1: add missing tzc2 clock clk: stm32mp1: set stgen_k clock as critical clk: stm32mp1: remove ck_apb_dbg clock Geert Uytterhoeven (1): IB/uverbs:...
View ArticleRe: [PATCH v5 0/7] proc: modernize proc to support multiple privat ...
Linus Torvalds writes: On Fri, May 11, 2018 at 2:42 AM Alexey Gladkov <gladkov.alexey@gmail.com> wrote: wrote:[...] private instances per the same pid namespace. So I have no big objections, but...
View ArticleRe: [PATCH v5 5/7] proc: instantiate only pids that we can ptrace ...
Linus Torvalds writes: On Fri, May 11, 2018 at 2:46 AM Alexey Gladkov <gladkov.alexey@gmail.com> wrote: wrote:[...] HIDEPID_NO_ACCESS))[...] + } Where did that "cond_resched()" come from? That...
View ArticleRe: [GIT] Networking
Linus Torvalds writes: (Summary) David, is there something you want to tell us? David, is there something you want to tell us? Drugs are bad, m'kay.. Drugs are bad, m'kay.. Linus Linus On Fri, May 11,...
View ArticleRe: [GIT] Networking
Linus Torvalds writes: (Summary) On Fri, May 11, 2018 at 5:10 PM David Miller <davem@davemloft.net> wrote: On Fri, May 11, 2018 at 5:10 PM David Miller <davem@davemloft.net> wrote: [...]...
View ArticleRe: for_each_cpu() is buggy for UP kernel?
Linus Torvalds writes: (Summary) An empty mask simply generally doesn't make sense, since opn UP you also don't have any masking of CPU ops, so the mask is ignored, and that helps the code generation...
View ArticleLinux 4.17-rc5
Linus Torvalds writes: (Summary) Silva (3): ieee802154: mcr20a: Fix memory leak in mcr20a_probe atm: zatm: Fix potential Spectre v1 net: atm: Fix potential Spectre v1 Hangbin Liu (1): ipv4: reset...
View ArticleRe: use memcpy_mcsafe() for copy_to_iter() (was: Re: [PATCH v3 0/9 ...
Linus Torvalds writes: (Summary) On Mon, May 14, 2018 at 8:52 AM Dan Williams <dan.j.williams@intel.com> wrote: wrote:[...] is about the best we can do with dax+mce as things stand today. I...
View ArticleRe: for_each_cpu() is buggy for UP kernel?
Linus Torvalds writes: (Summary) It's hacky, but maybe being explicitly hacky is good to "document" this gotcha. good to "document" this gotcha. And I really do agree that this special UP case is nasty...
View ArticleRe: [tip:locking/core] locking/atomics: Simplify the op definition ...
Linus Torvalds writes: (Summary) Probably better than having i/I. Probably better than having i/I. But while people are bikeshedding the important stuff, can I please mention my personal pet peeve with...
View ArticleRe: [PATCH] vsprintf: Fix memory barriers of ptr_key to have_filed ...
Linus Torvalds writes: (Summary) On Tue, May 15, 2018 at 11:57 AM Steven Rostedt <rostedt@goodmis.org> Now the 'not_filled_random_ptr_key' thing won't actually take effect until possibly much...
View ArticleRe: [lkp-robot] [x86/asm] 51bad67ffb: int3:#[##]
Linus Torvalds writes: (Summary) On Tue, May 15, 2018 at 2:43 PM Alexey Dobriyan <adobriyan@gmail.com> wrote: On Tue, May 15, 2018 at 2:43 PM Alexey Dobriyan <adobriyan@gmail.com> wrote:...
View ArticleRe: [lkp-robot] [x86/asm] 51bad67ffb: int3:#[##]
Linus Torvalds writes: (Summary) On Tue, May 15, 2018 at 3:22 PM Josh Poimboeuf <jpoimboe@redhat.com> wrote: [...] used, so wouldn't this fix it? This looks like the correct fix for this case,...
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