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Groups > linux.kernel > #1596446
| From | Borislav Petkov <bp@suse.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf |
| Date | 2017-03-09 23:50 +0100 |
| Message-ID | <tjf2G-363-19@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <tjb8J-yF-1@gated-at.bofh.it> <tjdWV-2rg-9@gated-at.bofh.it> <tjepY-2Qt-5@gated-at.bofh.it> <tjepY-2Qt-3@gated-at.bofh.it> <tjezD-2W7-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Mar 09, 2017 at 11:11:17PM +0100, Daniel Borkmann wrote:
> Yeah, I just tried that out and it had no effect unfortunately, the
> static_cpu_has() was still 1.
Right, just as I thought.
I guess we could return to doing boot_cpu_has() in __flush_tlb_all()
then. I mean, the timing-sensitivity argument is meh - killing global
TLB entries a bit faster doesn't bring me a whole lot when I have to go
and walk pagetable and reestablish them, which is the real price to pay
anyway.
Thanks.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--
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Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Fengguang Wu <fengguang.wu@intel.com> - 2017-03-02 21:30 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-02 22:40 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-08 20:30 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Kees Cook <keescook@chromium.org> - 2017-03-08 23:40 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 00:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Laura Abbott <labbott@redhat.com> - 2017-03-09 01:30 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Kees Cook <keescook@chromium.org> - 2017-03-09 06:40 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 14:10 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Thomas Gleixner <tglx@linutronix.de> - 2017-03-09 14:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 15:10 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Thomas Gleixner <tglx@linutronix.de> - 2017-03-09 16:00 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 19:00 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf David Miller <davem@davemloft.net> - 2017-03-09 19:10 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-09 19:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-09 19:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 19:40 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 22:40 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Borislav Petkov <bp@suse.de> - 2017-03-09 23:10 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 23:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Borislav Petkov <bp@suse.de> - 2017-03-09 23:50 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-10 00:30 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Borislav Petkov <bp@suse.de> - 2017-03-10 00:50 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-10 01:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Borislav Petkov <bp@suse.de> - 2017-03-12 22:50 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Borislav Petkov <bp@suse.de> - 2017-03-09 23:20 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Daniel Borkmann <daniel@iogearbox.net> - 2017-03-09 16:00 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-09 18:50 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-08 23:50 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Fengguang Wu <fengguang.wu@intel.com> - 2017-03-09 02:40 +0100
Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf Thomas Gleixner <tglx@linutronix.de> - 2017-03-09 14:50 +0100
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