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Kernel: Process request to change virtual console from the IO Work queue

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Instead of processing the input after receiving an IRQ, we shift the
responsibility to the io work queue to handle this for us, so if a page
fault occurs when trying to switch the VirtualConsole, the kernel can
handle that.
This commit is contained in:
Liav A 2021-05-18 19:08:12 +03:00 committed by Andreas Kling
parent 9dd3203cc6
commit 38ccdb02ce
Notes: sideshowbarker 2024-07-18 17:39:17 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/38ccdb02ce0
Pull-request: https://github.com/SerenityOS/serenity/pull/7258
Issue: https://github.com/SerenityOS/serenity/issues/7241
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/tomuta
1 changed files with 4 additions and 1 deletions
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5
Kernel/Devices/HID/PS2KeyboardDevice.cpp
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@ -16,6 +16,7 @@
#include <Kernel/Devices/HID/PS2KeyboardDevice.h>
#include <Kernel/IO.h>
#include <Kernel/TTY/ConsoleManagement.h>
#include <Kernel/WorkQueue.h>
namespace Kernel {
@ -70,7 +71,9 @@ void PS2KeyboardDevice::irq_handle_byte_read(u8 byte)
if (m_modifiers & Mod_Alt) {
switch (ch) {
case 0x02 ... 0x07: // 1 to 6
ConsoleManagement::the().switch_to(ch - 0x02);
g_io_work->queue([this, ch]() {
ConsoleManagement::the().switch_to(ch - 0x02);
});
break;
default:
key_state_changed(ch, pressed);