RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-16 16:24:59 +00:00
Code Issues Activity Actions

Kernel/TTY: Remove redundant SpinLock from VirtualConsole

Browse source 
VirtualConsole::m_lock was only used in a single place: on_tty_write()
That function is already protected by a global lock, so this second
lock served no purpose whatsoever.
This commit is contained in:
Andreas Kling 2021-08-07 12:36:21 +02:00
parent b5b67a1747
commit 58fb38551c
2 changed files with 1 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

1
Kernel/TTY/VirtualConsole.cpp
View file

@ -260,7 +260,6 @@ void VirtualConsole::on_key_pressed(KeyEvent event)
KResultOr<size_t> VirtualConsole::on_tty_write(const UserOrKernelBuffer& data, size_t size)
{
ScopedSpinLock global_lock(ConsoleManagement::the().tty_write_lock());
ScopedSpinLock lock(m_lock);
auto result = data.read_buffered<512>(size, [&](u8 const* buffer, size_t buffer_bytes) {
for (size_t i = 0; i < buffer_bytes; ++i)
m_console_impl.on_input(buffer[i]);