https://git.reactos.org/?p=reactos.git;a=commitdiff;h=f144ba8d8b1a35d9629215beb1fbcafa7fab63d0
commit f144ba8d8b1a35d9629215beb1fbcafa7fab63d0 Author: George Bișoc <[email protected]> AuthorDate: Sun Jun 20 15:49:55 2021 +0200 Commit: George Bișoc <[email protected]> CommitDate: Fri Jun 25 10:33:28 2021 +0200 [CSRSS] Do not give IOPL to the Client/Server native process if ran on a AMD64 system ProcessUserModeIOPL is strictly implemented for 32-bit architecture so it doesn't make any sense for CSRSS to gather user mode I/O privilege when that won't work anyway. --- subsystems/win32/csrss/csrss.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/subsystems/win32/csrss/csrss.c b/subsystems/win32/csrss/csrss.c index 10f916ccf3c..7862d8f7a4d 100644 --- a/subsystems/win32/csrss/csrss.c +++ b/subsystems/win32/csrss/csrss.c @@ -52,6 +52,7 @@ _main(int argc, &BasePriority, sizeof(KPRIORITY)); +#if defined (_X86_) /* Give us IOPL so that we can access the VGA registers */ Status = NtSetInformationProcess(NtCurrentProcess(), ProcessUserModeIOPL, @@ -70,6 +71,7 @@ _main(int argc, &Response); #endif } +#endif /* Initialize CSR through CSRSRV */ Status = CsrServerInitialization(argc, argv);
