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Groups > linux.kernel > #1350841
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: soft lockup when passing vvar address to write(2) |
| Date | 2016-03-05 09:30 +0100 |
| Message-ID | <r9fL4-3nX-7@gated-at.bofh.it> (permalink) |
| References | <r8KnU-5IL-21@gated-at.bofh.it> <r8LDk-6HH-19@gated-at.bofh.it> <r8Slr-38B-1@gated-at.bofh.it> <r97DQ-5Ye-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 4 Mar 2016, Andy Lutomirski wrote: > Thomas, I still think we should consider just deleting the HPET vclock > code and accept the syscall overhead on systems that are stuck using > HPET. If fast syscalls are available (which should include every > system with HPET, unless there are some 32-bit AMD systems lying > around), then the overhead in a syscall is *tiny* compared to the code > of the HPET read itself. No objection from my side, really. Thanks, tglx
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Re: soft lockup when passing vvar address to write(2) Andy Lutomirski <luto@amacapital.net> - 2016-03-05 00:50 +0100
Re: soft lockup when passing vvar address to write(2) Thomas Gleixner <tglx@linutronix.de> - 2016-03-05 09:30 +0100
Re: soft lockup when passing vvar address to write(2) Ingo Molnar <mingo@kernel.org> - 2016-03-05 10:10 +0100
Re: soft lockup when passing vvar address to write(2) Andy Lutomirski <luto@amacapital.net> - 2016-03-06 04:00 +0100
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