RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 03:37:43 +00:00
Code Issues Activity Actions

Kernel: Allow recursion when writing to the debug log

Browse source 
This allows printing in the case e.g. a page fault happens
during a log statement
This commit is contained in:
Tom 2020-07-02 08:34:14 -06:00 • committed by Andreas Kling
parent 3cc0e86cd8
commit a308b176ce
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Kernel/kprintf.cpp
View file

@ -35,7 +35,9 @@
#include <LibC/stdarg.h> #include <LibC/stdarg.h>
static bool serial_debug; static bool serial_debug;
static SpinLock s_log_lock; // A recursive spinlock allows us to keep writing in the case where a
// page fault happens in the middle of a dbg(), klog(), etc
static RecursiveSpinLock s_log_lock;
void set_serial_debug(bool on_or_off) void set_serial_debug(bool on_or_off)
{ {