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| author | Justus Winter <justus@gnupg.org> | 2016-05-04 19:33:52 +0200 |
|---|---|---|
| committer | Justus Winter <justus@gnupg.org> | 2016-05-04 19:33:52 +0200 |
| commit | fcd2b8755f1910478f2be63c9339b4c815f046ba (patch) | |
| tree | a6ef9383f82c524b83ecb4b691c173d73c12064d /microkernel/mach | |
| parent | 8c4febf4adc6397fd379560921906aabd69ef5ec (diff) | |
Add missing paragraph
Diffstat (limited to 'microkernel/mach')
| -rw-r--r-- | microkernel/mach/gnumach/projects/mach_5.mdwn | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/microkernel/mach/gnumach/projects/mach_5.mdwn b/microkernel/mach/gnumach/projects/mach_5.mdwn index bf678556..73aaef99 100644 --- a/microkernel/mach/gnumach/projects/mach_5.mdwn +++ b/microkernel/mach/gnumach/projects/mach_5.mdwn @@ -105,6 +105,10 @@ sysenter improves our IPC performance by ~10%. ### Implementation +One trouble with sysenter/sysexit (or the amd equivalent) isn't +available on all processors. Linux solves this using the VDSO +mechanism. + I'd like to implement something similar: 1. There is a platform dependent way to map a special page. |