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ladybird/Kernel
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Andreas Kling a838fdfd88 Kernel: Make the page table quickmaps per-CPU 
While the "regular" quickmap (used to temporarily map a physical page
at a known address for quick access) has been per-CPU for a while,
we also have the PD (page directory) and PT (page table) quickmaps
used by the memory management code to edit page tables. These have been
global, which meant that SMP systems had to keep fighting over them.

This patch makes *all* quickmaps per-CPU. We reserve virtual addresses
for up to 64 CPUs worth of quickmaps for now.

Note that all quickmaps are still protected by the MM lock, and we'll
have to fix that too, before seeing any real throughput improvements.
2022-08-22 17:56:03 +02:00
..
API Kernel: Make sys$utime() and sys$utimensat() not take the big lock 2022-08-22 17:56:03 +02:00
Arch Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Bus Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Devices Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
FileSystem Kernel: Update atime/ctime/mtime timestamps atomically 2022-08-22 17:56:03 +02:00
Firmware Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Graphics Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Heap Kernel: Require lock rank for Spinlock construction 2022-08-19 20:26:47 -07:00
Interrupts Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Library Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Locking Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Memory Kernel: Make the page table quickmaps per-CPU 2022-08-22 17:56:03 +02:00
Net Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
Prekernel Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Storage Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Syscalls Kernel: Make sys$utime() and sys$utimensat() not take the big lock 2022-08-22 17:56:03 +02:00
Tasks Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Time Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
TTY Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
AddressSanitizer.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
AddressSanitizer.h Everywhere: Use bgianf@serenityos.org for my copyright attribution 2021-04-22 21:15:54 +02:00
Assertions.h Kernel: Do not implement VERIFY_NOT_REACHED() as VERIFY(false) 2022-05-12 13:12:37 +02:00
AtomicEdgeAction.h Kernel: Add per platform Processor.h headers 2021-10-14 01:23:08 +01:00
BootInfo.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
CMakeLists.txt Kernel: Add Credentials to hold a set of user and group IDs 2022-08-20 18:32:50 +02:00
CMOS.cpp Kernel: Move x86 IO instructions code into the x86 specific folder 2021-10-01 12:27:20 +02:00
CMOS.h Everything: Move to SPDX license identifiers in all files. 2021-04-22 11:22:27 +02:00
CommandLine.cpp Kernel/Commandline: Remove a remainder of the removed boot_mode flag 2022-08-14 01:03:23 +01:00
CommandLine.h Kernel/Graphics: Simplify the feature level of the Graphics subsystem 2022-05-05 20:55:57 +02:00
Coredump.cpp Kernel: Make File::{chown,chmod} take credentials as input 2022-08-21 16:15:29 +02:00
Coredump.h Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Credentials.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
Credentials.h Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
Debug.h.in Kernel/FileSystem: Use a new debug flag for SysFS debug messages 2022-08-08 02:33:25 +00:00
DoubleBuffer.cpp Kernel: Annotate all KBuffer and DoubleBuffer with a custom name 2022-07-12 00:55:31 +01:00
DoubleBuffer.h Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
embedmap.sh Kernel: Make new kernel build process work on macOS 2021-07-15 11:04:30 +02:00
Forward.h Kernel: Add Credentials to hold a set of user and group IDs 2022-08-20 18:32:50 +02:00
FutexQueue.cpp Kernel: Propagate OOM conditions out of sys$futex 2022-07-21 16:39:22 +02:00
FutexQueue.h AK+Kernel: Add AK::AtomicRefCounted and use everywhere in the kernel 2022-08-20 17:15:52 +02:00
GlobalProcessExposed.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
init.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
KBuffer.h Kernel: Annotate all KBuffer and DoubleBuffer with a custom name 2022-07-12 00:55:31 +01:00
KBufferBuilder.cpp Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
KBufferBuilder.h Kernel: Expose .length() of KBufferBuilder 2022-05-06 02:12:51 +04:30
KLexicalPath.cpp Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
KLexicalPath.h Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
kprintf.cpp Kernel: Require lock rank for Spinlock construction 2022-08-19 20:26:47 -07:00
kstdio.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
KString.cpp Kernel: Add an error propagating KString::format(..) API :^) 2021-11-30 11:16:35 +01:00
KString.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
KSyms.cpp Kernel: Move Kernel/Arch/x86/SafeMem.h to Kernel/Arch/SafeMem.h 2022-05-03 21:53:36 +02:00
KSyms.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
MiniStdLib.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
mkmap.sh Kernel: Use the toolchain's nm in mkmap.sh 2021-12-30 18:10:51 +01:00
Multiboot.h Kernel: Only use multiboot framebuffer details if present 2022-01-06 22:34:11 +01:00
Panic.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Panic.h Kernel: Implement __panic() for the aarch64 Kernel 2022-05-03 21:53:36 +02:00
PerformanceEventBuffer.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
PerformanceEventBuffer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
PerformanceManager.h Everywhere: Use default StringView constructor over nullptr 2022-07-12 23:11:35 +02:00
PhysicalAddress.h Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
Process.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
Process.h Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
ProcessExposed.cpp Kernel: Update atime/ctime/mtime timestamps atomically 2022-08-22 17:56:03 +02:00
ProcessExposed.h Kernel: Update atime/ctime/mtime timestamps atomically 2022-08-22 17:56:03 +02:00
ProcessGroup.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
ProcessGroup.h Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
ProcessProcFSTraits.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
ProcessSpecificExposed.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
Random.cpp Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
Random.h Kernel: Require lock rank for Spinlock construction 2022-08-19 20:26:47 -07:00
RTC.cpp Everywhere: Fix many spelling errors 2022-01-07 10:56:59 +01:00
RTC.h Kernel: Ensure we read valid values from the RTC CMOS registers 2021-08-04 19:53:04 +02:00
SanCov.cpp Kernel: Add some implied auto qualifiers 2021-12-30 14:32:17 +01:00
Scheduler.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
Scheduler.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Sections.h Kernel: Make the page table quickmaps per-CPU 2022-08-22 17:56:03 +02:00
StdLib.cpp Kernel: Move Kernel/Arch/x86/SafeMem.h to Kernel/Arch/SafeMem.h 2022-05-03 21:53:36 +02:00
StdLib.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Syscall.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Thread.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
Thread.h Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
ThreadBlockers.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
ThreadTracer.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
ThreadTracer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
TimerQueue.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
TimerQueue.h Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
UBSanitizer.cpp Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
UnixTypes.h Kernel: Add support for SA_SIGINFO 2022-03-04 20:07:05 +01:00
UserOrKernelBuffer.cpp Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
UserOrKernelBuffer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
VirtualAddress.h Everywhere: Add sv suffix to strings relying on StringView(char const*) 2022-07-12 23:11:35 +02:00
WaitQueue.cpp Kernel: Don't register thread as custom data for WaitQueueBlocker 2021-08-24 01:57:11 +02:00
WaitQueue.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
WorkQueue.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
WorkQueue.h Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00