andreacavalli/xserver-multidpi
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

os-support/solaris: Drop ExtendedEnabled global variable

Browse Source 
Keeping track of kernel state in user space doesn't buy us anything,
and introduces bugs, as we were keeping global state but the Solaris
kernel tracks IOPL per thread.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
(cherry picked from commit 7533fa9bd5)
This commit is contained in:
Alan Coopersmith 2019-02-21 14:51:22 -08:00 committed by Matt Turner
parent 977f3acfce
commit bb405cdc85
1 changed files with 0 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
hw/xfree86/os-support/solaris/sun_vid.c
View File

@ -73,22 +73,14 @@ xf86OSInitVidMem(VidMemInfoPtr pVidMem)
/* I/O Permissions section */
/***************************************************************************/
#if defined(__i386__) || defined(__i386) || defined(__x86)
static Bool ExtendedEnabled = FALSE;
#endif
Bool
xf86EnableIO(void)
{
#if defined(__i386__) || defined(__i386) || defined(__x86)
if (ExtendedEnabled)
return TRUE;
if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) < 0) {
xf86Msg(X_WARNING, "xf86EnableIOPorts: Failed to set IOPL for I/O\n");
return FALSE;
}
ExtendedEnabled = TRUE;
#endif /* i386 */
return TRUE;
}
@ -97,11 +89,6 @@ void
xf86DisableIO(void)
{
#if defined(__i386__) || defined(__i386) || defined(__x86)
if (!ExtendedEnabled)
return;
sysi86(SI86V86, V86SC_IOPL, 0);
ExtendedEnabled = FALSE;
#endif /* i386 */
}