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Kernel: Remove the "kernel info page" used for fast gettimeofday()

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We stopped using gettimeofday() in Core::EventLoop a while back,
in favor of clock_gettime() for monotonic time.

Maintaining an optimization for a syscall we're not using doesn't make
a lot of sense, so let's go back to the old-style sys$gettimeofday().
This commit is contained in:
Andreas Kling
2020-05-16 11:18:04 +02:00
parent 4e27c58be7
commit 3a92d0828d
6 changed files with 7 additions and 46 deletions
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7
Kernel/Scheduler.cpp
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@@ -42,6 +42,7 @@
namespace Kernel {
SchedulerData* g_scheduler_data;
timeval g_timeofday;
void Scheduler::init_thread(Thread& thread)
{
@@ -596,10 +597,8 @@ void Scheduler::timer_tick(const RegisterState& regs)
++g_uptime;
timeval tv;
tv.tv_sec = TimeManagement::the().epoch_time();
tv.tv_usec = TimeManagement::the().ticks_this_second() * 1000;
Process::update_info_page_timestamp(tv);
g_timeofday.tv_sec = TimeManagement::the().epoch_time();
g_timeofday.tv_usec = TimeManagement::the().ticks_this_second() * 1000;
if (Process::current->is_profiling()) {
SmapDisabler disabler;