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Groups > linux.kernel > #1727787
| From | Andi Kleen <andi@firstfloor.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC 00/17] Pile o' entry stack changes |
| Date | 2017-09-07 00:20 +0200 |
| Message-ID | <umQPT-7Vj-1@gated-at.bofh.it> (permalink) |
| References | <umQdc-7qi-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Andy Lutomirski <luto@kernel.org> writes: > > - Lots of people (Linus included) have asked to convert the entry > code to pop registers on exit instead of movqing them off the > stack. This makes a bunch of progress in that direction. You should benchmark it on Atoms. Likely it's a regression there because they don't have the special PUSH/POP acceleration. -Andi
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[RFC 00/17] Pile o' entry stack changes Andy Lutomirski <luto@kernel.org> - 2017-09-06 23:50 +0200
[RFC 04/17] x86/asm/64: Simplify reg restore code in the standard IRET paths Andy Lutomirski <luto@kernel.org> - 2017-09-06 23:50 +0200
[RFC 03/17] x86/asm/64: Move SWAPGS into the common iret-to-usermode path Andy Lutomirski <luto@kernel.org> - 2017-09-06 23:50 +0200
[RFC 02/17] x86/asm/64: Split the iret-to-user and iret-to-kernel paths Andy Lutomirski <luto@kernel.org> - 2017-09-06 23:50 +0200
Re: [RFC 00/17] Pile o' entry stack changes Andi Kleen <andi@firstfloor.org> - 2017-09-07 00:20 +0200
Re: [RFC 00/17] Pile o' entry stack changes Andy Lutomirski <luto@kernel.org> - 2017-09-07 02:10 +0200
Re: [RFC 00/17] Pile o' entry stack changes Ingo Molnar <mingo@kernel.org> - 2017-09-07 09:10 +0200
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