Alex Ionescu da4ac0b789 - Fix some nasty context switch bugs: ...

* We did not update the KPCR's stacklimit/initialstack with the new thread's stacklimit/initialstack.
  * We always assumed V86 frame bias in KeInitializeThreadContext.
  * We did not properly update ESP0 during context switch, to make space for the NPX frame and V86 bias.
  * We did not update fs:18h to point to the new TEB.
  * We did not clear out GS when switching processes, nor update the TSS's cr3.
  * If a new LDT was being updated, we over-wrote EBP (which was supposed to point to the TSS) by the GDT pointer.
  * We used a push/pop esp0 hack which hid the fact we never updated esp0.

svn path=/trunk/; revision=20911

2006-01-16 02:21:22 +00:00

cis

Handle access denied scenario

2005-12-13 18:56:49 +00:00

irc

Different output for !bug command on the other channels. (#winehackers, #samba-technical)

2006-01-05 21:46:24 +00:00

msvc6

Initial revision

2004-02-06 08:21:52 +00:00

os2

OS/2: more changes to make it conform to rbuild.

2005-08-12 20:55:07 +00:00

posix

Begin making the 'posix' module conform to rbuild.

2005-08-13 12:35:00 +00:00

reactos

- Fix some nasty context switch bugs:

2006-01-16 02:21:22 +00:00

rosapps

fixed gcc4 warnings

2006-01-04 14:26:06 +00:00

rosky

Make the 'rosky' optional module compile.

2005-08-12 13:46:36 +00:00

vms

Modify to conform to the new CSR.

2005-10-02 19:31:30 +00:00

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