reactos

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Alex Ionescu d46b22a834 - Rewrite usermode callbacks. These changes should greatly optimize graphic operations. After these changes, my "idle" CPU Usage in taskmgr went from 7-8% to 4-5%, while on the performace page, from 15-18% to 10-13%:

* Do not use ugly and messy code to create linked stacks and other such resource-wasting steps. Use our newly implemented 60KB stack support and MmGrowKernelStack when needed.
  * Write all the low-level code in assembly instead of relying on structures and hodgepodge code.
  * Add debugging/detection features for invalid calls, such as invalid IRQL, APCs being disabled, invalid previous mode detection (this allowed me to fix the KWAIT_BLOCK bug today).
  * Finally fix the last (I hope) remaning trap frame bug issue related to V86 mode bias. One of the "hacks" in syscall.S has already been removed and I can now do the promised cleanup.
  * Allow some failulre cases in callbacks (not all implemented) and extend stack space for future use of SEH in the ntdll dispatcher.
  * Fix win32k to use callbacks properly: the system fills out *Result and *ResultLength, not the caller.
  * Use SEH (ProbeForWrite) in callbacks to detect invalid user-mode memory.
  * Save NPX State and ExceptionList across callbacks (I think this wasn't fully properly done in all cases).


svn path=/trunk/; revision=20794

2006-01-11 23:54:44 +00:00

csr

More fixes to compile.

2005-10-02 19:39:30 +00:00

csrss

- get csrss, ntvdm, smss compiling on msvc.

2006-01-08 09:00:02 +00:00

ntvdm

Translaton and keyboard driver by Robert Horvath - Talley (talley_replace_this_by_at_cubeclub.hu), Gergely Risko - Cake Peter Nagy - Kritika (nagylakas_replace_this_by_at_gmail.com), Peter Lukacs - Hungi (lukacs.peter_replace_this_by_at_rtk.pte.hu) small bugfix in kbdhu by me and add it to bootcd menu.

2005-11-27 12:18:52 +00:00

smss

Revert part of r20493. Created bug 1229 to keep track of the issue.