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Kernel: More signal handling improvements.

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Finally fixed the weird flaky crashing when resizing Terminal windows.
It was because we were dispatching a signal to "current" from the scheduler.
Yet another thing I dislike about even having a "current" process while
we're in the scheduler. Not sure yet how to fix this.

Let the signal handler's kernel stack be a kmalloc() allocation for now.
Once we can do allocation of consecutive physical pages in the supervisor
memory region, we can use that for all types of kernel stacks.
This commit is contained in:
Andreas Kling 2019-03-05 12:50:55 +01:00
parent 086a0fc969
commit 91031346e5
6 changed files with 93 additions and 55 deletions
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2
Kernel/BXVGADevice.cpp
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@ -61,8 +61,6 @@ void BXVGADevice::set_resolution(int width, int height)
set_register(VBE_DISPI_INDEX_BPP, 32);
set_register(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);
set_register(VBE_DISPI_INDEX_BANK, 0);
m_framebuffer_size = { width, height };
}
void BXVGADevice::set_y_offset(int offset)