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ladybird/Kernel
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Pankaj Raghav d234e6b801 Kernel: Add polling support to NVMe 
Add polling support to NVMe so that it does not use interrupt to
complete a IO but instead actively polls for completion. This probably
is not very efficient in terms of CPU usage but it does not use
interrupts to complete a IO which is beneficial at the moment as there
is no MSI(X) support and it can reduce the latency of an IO in a very
fast NVMe device.

The NVMeQueue class has been made the base class for NVMeInterruptQueue
and NVMePollQueue. The factory function `NVMeQueue::try_create` will
return the appropriate queue to the controller based on the polling
boot parameter.

The polling mode can be enabled by adding an extra boot parameter:
`nvme_poll`.
2022-02-02 18:26:59 +01:00
..
API Kernel: Add ioctl to get the EDID from a framebuffer 2022-01-23 22:45:21 +00:00
Arch Kernel/Interrupts: Initialize two spurious handlers when PIC is disabled 2022-01-30 21:07:20 +02:00
Bus Kernel: Make UHCIController::spawn_port_process OOM-fallible 2022-01-28 19:05:52 +02:00
Devices Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
FileSystem Kernel: Use HashCompatible HashMap lookups instead of specifying a hash 2022-01-29 23:01:23 +02:00
Firmware Kernel: Replace {String => KString}::formatted in ACPISysFSDirectory 2022-01-21 16:27:21 +01:00
Graphics Kernel: Convert MemoryManager::allocate_user_physical_page to ErrorOr 2022-01-28 19:05:52 +02:00
Heap Kernel: Include slabheaps in kmalloc statistics 2022-01-24 14:09:55 +02:00
Interrupts Kernel: Add conditional call to disable_irq in IRQHandler constructor 2022-02-02 18:26:59 +01:00
Library AK+Kernel: Remove one_ref_left() footgun 2022-01-11 01:12:16 +01:00
Locking Kernel: Update terminology around Thread's "blocking mutex" 2022-01-30 16:21:59 +01:00
Memory Revert "Kernel: Only update page tables for faulting region" 2022-02-02 11:02:54 +01:00
Net Kernel: Stop using HashMap in Mutex 2022-01-29 16:45:39 +01:00
Prekernel Prekernel: Handle synchronous EL1 exceptions in C++ on aarch64 2022-01-24 06:57:59 +00:00
Storage Kernel: Add polling support to NVMe 2022-02-02 18:26:59 +01:00
Syscalls Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
Tasks Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
Time Kernel: Create the time page region before initializing the timers 2022-01-18 21:00:46 +02:00
TTY Kernel: Use u64 instead of size_t for File::can_write offset 2022-01-25 22:41:17 +02:00
AddressSanitizer.cpp Everywhere: Use bgianf@serenityos.org for my copyright attribution 2021-04-22 21:15:54 +02:00
AddressSanitizer.h Everywhere: Use bgianf@serenityos.org for my copyright attribution 2021-04-22 21:15:54 +02:00
Assertions.h Kernel: Remove ASM_Wrapper include from platform independent processor.h 2021-12-01 11:22:04 -08:00
AtomicEdgeAction.h Kernel: Add per platform Processor.h headers 2021-10-14 01:23:08 +01:00
BootInfo.h Kernel: Add an x86 include check+error in x86/PageDirectory.h 2021-12-01 11:22:04 -08:00
CMakeLists.txt Kernel: Add polling support to NVMe 2022-02-02 18:26:59 +01:00
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: Add nvme_poll command line parameters 2022-02-02 18:26:59 +01:00
CommandLine.h Kernel: Add nvme_poll command line parameters 2022-02-02 18:26:59 +01:00
Coredump.cpp Kernel: Convert CoreDump to KString using try_serialize_absolute_path 2022-01-12 16:09:09 +02:00
Coredump.h Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
Debug.h.in Kernel: Stop using HashMap in Mutex 2022-01-29 16:45:39 +01:00
DoubleBuffer.cpp Kernel: Share code between DoubleBuffer's read() and peek() 2021-11-21 20:22:48 +01:00
DoubleBuffer.h Kernel: Share code between DoubleBuffer's read() and peek() 2021-11-21 20:22:48 +01:00
embedmap.sh Kernel: Make new kernel build process work on macOS 2021-07-15 11:04:30 +02:00
Forward.h Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
FutexQueue.cpp Kernel: Don't register thread as custom data for FutexBlocker 2021-08-24 01:57:11 +02:00
FutexQueue.h Kernel: Don't register thread as custom data for FutexBlocker 2021-08-24 01:57:11 +02:00
GlobalProcessExposed.cpp Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
init.cpp Kernel: Add polling support to NVMe 2022-02-02 18:26:59 +01:00
KBuffer.h Kernel: Propagate overflow errors from Memory::page_round_up 2021-12-28 23:08:50 +01:00
KBufferBuilder.cpp Kernel+AK: Eliminate a couple of temporary String allocations 2021-12-30 14:16:03 +01:00
KBufferBuilder.h Kernel: Make Thread::backtrace() fallible using KString 2022-01-12 16:09:09 +02:00
KLexicalPath.cpp Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
KLexicalPath.h Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
kprintf.cpp Kernel: Simplify some if statements 2021-12-30 14:32:17 +01:00
kstdio.h Kernel+UE+LibC: Remove unused dbgputch syscall 2021-11-24 22:56:39 +01:00
KString.cpp Kernel: Add an error propagating KString::format(..) API :^) 2021-11-30 11:16:35 +01:00
KString.h Kernel: Make {Nonnull,}OwnPtr<KString> hash compatible with StringView 2022-01-29 23:01:23 +02:00
KSyms.cpp Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
KSyms.h Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
linker.ld Kernel+Toolchain: Use .init_array section for global constructors 2022-01-24 10:41:47 +00:00
MiniStdLib.cpp Kernel: Build MiniStdLib.cpp in aarch64 builds 2021-09-07 20:15:15 +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 Kernel: Ensure that CommandLine is initialized before choosing PanicMode 2022-01-21 19:34:10 +02:00
Panic.h Kernel/Graphics + SystemServer: Support text mode properly 2021-05-16 19:58:33 +02:00
PerformanceEventBuffer.cpp Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
PerformanceEventBuffer.h Kernel: Make PerformanceEventBuffer::add_process fallible with ErrorOr 2022-01-12 16:09:09 +02:00
PerformanceManager.h Kernel: Make PerformanceEventBuffer::add_process fallible with ErrorOr 2022-01-12 16:09:09 +02:00
PhysicalAddress.h AK: Convert AK::Format formatting helpers to returning ErrorOr<void> 2021-11-17 00:21:13 +01:00
Process.cpp Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
Process.h Kernel: Stop using HashMap in Mutex 2022-01-29 16:45:39 +01:00
ProcessExposed.cpp Kernel: Add some implied auto qualifiers 2021-12-30 14:32:17 +01:00
ProcessExposed.h Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
ProcessGroup.cpp Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
ProcessGroup.h Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
ProcessProcFSTraits.cpp Kernel+SystemServer: Add /dev/tty 2021-12-12 22:32:35 +01:00
ProcessSpecificExposed.cpp Kernel: Switch process file descriptor table from spinlock to mutex 2022-01-29 02:17:09 +01:00
Random.cpp Kernel: Make KernelRng not inherit from Lockable 2021-12-26 21:22:59 +01:00
Random.h Everywhere: Convert ByteBuffer factory methods from Optional -> ErrorOr 2022-01-24 22:36:09 +01:00
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: Don't mark current thread as inactive after successful exec() 2022-01-30 16:21:59 +01:00
Scheduler.h Kernel: Remove unused bool return values from scheduler functions 2022-01-30 16:21:59 +01:00
Sections.h Kernel: Move userspace virtual address range base to 0x10000 2021-12-22 00:02:36 -08:00
StdLib.cpp Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
StdLib.h Kernel: Remove unused forward declaration of Syscall::StringArgument 2021-11-14 22:52:35 +01:00
Syscall.cpp Kernel: Remove unnecessary includes from Thread.h 2022-01-30 16:21:59 +01:00
Thread.cpp Kernel: Take scheduler lock before block lock in unblock_from_mutex() 2022-01-30 16:21:59 +01:00
Thread.h Kernel: Update terminology around Thread's "blocking mutex" 2022-01-30 16:21:59 +01:00
ThreadBlockers.cpp Kernel: Move Thread::block<BlockerType>() out of the Thread.h header 2022-01-30 16:21:59 +01:00
ThreadTracer.cpp Kernel: Add cross platform RegisterState header and Aarch64 version 2021-10-15 21:48:45 +01:00
ThreadTracer.h Kernel: Add missing includes in ThreadTracer and WorkQueue 2021-12-30 14:32:17 +01:00
TimerQueue.cpp Kernel: Remove a bunch of unused TimerQueue functions 2021-09-07 22:16:25 +02:00
TimerQueue.h AK+Everywhere: Reduce the number of template parameters of IntrusiveList 2021-09-10 18:05:46 +03:00
UBSanitizer.cpp Kernel: Print KUBSAN backtrace to screen if KUBSAN is deadly 2021-12-29 17:58:44 +01:00
UnixTypes.h Kernel: Move {Process,Thread,Session,ProcessGroup}ID to Kernel/Forward.h 2021-08-14 19:58:11 +02:00
UserOrKernelBuffer.cpp Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
UserOrKernelBuffer.h Kernel+LibC: Move errno definitions to Kernel/API/POSIX 2021-12-16 22:21:35 +03:30
VirtualAddress.h AK: Convert AK::Format formatting helpers to returning ErrorOr<void> 2021-11-17 00:21:13 +01:00
WaitQueue.cpp Kernel: Don't register thread as custom data for WaitQueueBlocker 2021-08-24 01:57:11 +02:00
WaitQueue.h Kernel: Don't register thread as custom data for WaitQueueBlocker 2021-08-24 01:57:11 +02:00
WorkQueue.cpp Kernel: Mark kernel smart-pointer classes as [[nodiscard]] 2021-12-05 15:31:03 +01:00
WorkQueue.h Kernel: Add missing includes in ThreadTracer and WorkQueue 2021-12-30 14:32:17 +01:00