Re: [PATCH] random: fix rdrand mix-in
Linus Torvalds writes: (Summary) wrote: [...] compiler points out that the data is uninitialized in this case: Ack. Ack. Except: Except:[...] } Why not just make that "continue" be a "break"? If you...
View ArticleRe: [RFC][PATCH 07/11] signal: Deliver group signals via PIDTYPE_T ...
Linus Torvalds writes: (Summary) On Mon, Jul 16, 2018 at 7:50 AM Eric W. wrote: [...] can change it without creating a regression. Actually, there's a really obvious case where this simply isn't true....
View ArticleRe: dvb usb issues since kernel 4.9
Linus Torvalds writes: (Summary) wrote: [...] do its job" is problematic patch. Ok, this thread died down without any resolution. Ok, this thread died down without any resolution.[...] proposed by...
View ArticleRe: [PATCH v2] tools/memory-model: Add extra ordering for locks an ...
Linus Torvalds writes: (Summary) The AIX documentation implies that the *sequence* of load-compare-conditional branch-isync is a memory barrier, even if isync on its own is now. barrier, even if isync...
View ArticleRe: [PATCH v2] tools/memory-model: Add extra ordering for locks an ...
Linus Torvalds writes: (Summary) BUT, this is where isync comes in: BUT, this is where isync comes in:[...] NOT be done earlier than stores outside of it!). which is why I think that a spinlock...
View ArticleRe: [PATCH v2] tools/memory-model: Add extra ordering for locks an ...
Linus Torvalds writes: On Tue, Jul 17, 2018 at 12:37 PM Alan Stern <stern@rowland.harvard.edu> wrote: [...] region. Hmm, yes of course. But the isync instruction description I found also talks...
View ArticleRe: [PATCH] random: fix rdrand mix-in
Linus Torvalds writes: (Summary) On Tue, Jul 17, 2018 at 2:12 PM Theodore Y. wrote: [...] _maybe_ you could exhaust the HW entropy). I suspect you can't hit it in practice on Intel systems, but maybe...
View ArticleRe: [RFC] call_with_creds()
Linus Torvalds writes: (Summary) So now you take a subtle bug, and make it even more subtle, and encourage people to do this known-broken model of using creds at IO time. No. No. Some debugging option...
View ArticleRe: [RFC] call_with_creds()
Linus Torvalds writes: (Summary) But then the problem is that you're doing the open() itself in the wrong context, and that has nothing to do with any general issue, and everything to do with "you...
View ArticleRe: [RFC] call_with_creds()
Linus Torvalds writes: (Summary) So on the one hand, in this case I'd actually be more ok with the whole "call_with_creds()" model, because open() is actually *supposed* to use creds. to use creds. At...
View ArticleRe: [RFC] call_with_creds()
Linus Torvalds writes: On Wed, Jul 18, 2018 at 2:22 PM Al Viro <viro@zeniv.linux.org.uk> wrote: [...] Why is counter any better than LSB of a pointer? Easier nesting, but if you do it with the...
View ArticleRe: [RFC] call_with_creds()
Linus Torvalds writes: (Summary) Of course, you may well have reasons why you actually want to cache the key itself (and hide it in private_data or similar rather than look it up, but if looking it up...
View ArticleRe: [RFC] call_with_creds()
Linus Torvalds writes: (Summary) wrote: [...] down. It should always be there in the 'struct file *'. It should always be there in the 'struct file *'. Now, we may have some broken stuff that passes...
View ArticleRe: [PATCH 08/10] psi: pressure stall information for CPU, memory, ...
Linus Torvalds writes: (Summary) wrote: [...] Leaving us just 5 bytes short of needing a single cacheline :/ Do you actually need 64 bits for the times? Do you actually need 64 bits for the times?...
View ArticleRe: [PATCH 1/3] perf/core: Make sure the ring-buffer is mapped in ...
Linus Torvalds writes: (Summary) On Fri, Jul 20, 2018 at 3:20 PM Andy Lutomirski <luto@amacapital.net> wrote= [...] IRET and re-enable NMIs on the way out.[...] n 32-bit and 64-bit for quite a...
View ArticleRe: [RFC 2/2] x86/pti/64: Remove the SYSCALL64 entry trampoline
Linus Torvalds writes: (Summary) I'd rather expose less (think MAXCPU) and then have the CPU hotplug code expose the page as the CPU comes up? The "disgusting" part is that I think it could/should...
View ArticleRe: [PATCH] fix osf_wait4() breakage
Linus Torvalds writes: (Summary) wrote: [...] Fixes: "osf_wait4: switch to kernel_wait4()" Please put the actual commit ID there too, because that's what people with automation check. with automation...
View ArticleLinux 4.18-rc6
Linus Torvalds writes: (Summary) describe net: ethernet: stmmac: fix documentation warning C=C3=A9dric Le Goater (1): scsi: cxlflash: fix assignment of the backend operations Damien Le Moal (1): scsi:...
View ArticleRe: [PATCH 0/3] PTI for x86-32 Fixes and Updates
Linus Torvalds writes: (Summary) And modern gcc's no longer have the pipe between cpp and cc1, so they don't have that issue either (which would have sjhown the PTI slowdown a lot more) issue either...
View ArticleRe: Linux 4.18-rc6
Linus Torvalds writes: (Summary) wrote: [...] builds at all. Martin - can we just remove the Martin - can we just remove the select HAVE_GCC_PLUGINS select HAVE_GCC_PLUGINS from the s390 Kconfig file...
View Article