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Kernel: Add kernel command line flag to disable VirtIO support

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This command line flag can be used to disable VirtIO support on
certain configurations (native windows) where interfacing with
virtio devices can cause qemu to freeze.
This commit is contained in:
Idan Horowitz 2021-04-18 16:06:35 +03:00 • committed by Andreas Kling
parent 7dc95721ee
commit aaf3d26dae
4 changed files with 12 additions and 0 deletions
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3
Kernel/VirtIO/VirtIO.cpp
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@ -24,6 +24,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Kernel/CommandLine.h>
#include <Kernel/VirtIO/VirtIO.h>
#include <Kernel/VirtIO/VirtIOConsole.h>
#include <Kernel/VirtIO/VirtIORNG.h>
@ -32,6 +33,8 @@ namespace Kernel {
void VirtIO::detect()
{
if (kernel_command_line().disable_virtio())
return;
PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
if (address.is_null() || id.is_null())
return;