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Tag: linux/syscalls
23 items with this tag.
Sep 04, 2026
epoll and Scalable Readiness Notification
linux
linux/networking
linux/syscalls
io-multiplexing
readiness-notification
sockets
c10k
uncertain
Sep 04, 2026
io_uring as a Syscall Batching Mechanism
linux
linux/syscalls
linux/io_uring
io-uring
async-io
performance
uncertain
Sep 04, 2026
seccomp and Syscall Filtering
linux
linux/syscalls
linux/seccomp
security/sandbox
bpf
Jun 02, 2026
Adding a New System Call to Linux
linux
linux/syscalls
linux/abi
kernel-development
api-design
uncertain
Jun 02, 2026
How the vDSO Reads Kernel Time Without Trapping
linux
linux/syscalls
linux/vdso
linux/timekeeping
kernel
performance
uncertain
Jun 02, 2026
Per-Architecture Syscall Entry Assembly
linux
linux/syscalls
linux/entry
x86-64
arm64
assembly
kpti
operating-systems
uncertain
Jun 02, 2026
Restartable System Calls and ERESTARTSYS
linux
linux/syscalls
linux/signals
kernel
abi
uncertain
Jun 02, 2026
SA_RESTART and Signal-Interrupted Syscalls
linux
linux/syscalls
linux/signals
signal-handling
eintr
sa-restart
abi
uncertain
Jun 02, 2026
SYSCALL_DEFINE and Syscall Handler Wrappers
linux
linux/syscalls
linux/abi
kernel
macros
x86-64
security
uncertain
Jun 02, 2026
Speculation Barriers and Spectre Hardening at the Syscall Boundary
linux
linux/syscalls
security
security/spectre
security/mds
speculation
cpu-vulnerabilities
x86-64
uncertain
Jun 02, 2026
System Call Numbers and the ABI
linux
linux/syscalls
linux/abi
operating-systems
kernel-entry
compatibility
Jun 02, 2026
System Calls and the Userspace Kernel Boundary
linux
linux/syscalls
linux/abi
operating-systems
privilege
security
x86-64
Jun 02, 2026
The Kernel ABI vs API Distinction
linux
linux/syscalls
linux/abi
abi
api
operating-systems
kernel-interfaces
uncertain
Jun 02, 2026
The Syscall Instruction and Trap Mechanism
linux
linux/syscalls
linux/abi
x86-64
cpu-architecture
operating-systems
uncertain
Jun 02, 2026
The We Do Not Break Userspace ABI Promise
linux
linux/syscalls
linux/abi
abi
backward-compatibility
kernel-process
operating-systems
uncertain
Jun 02, 2026
The access_ok Check and User Pointer Validation
linux
linux/syscalls
linux/abi
uaccess
access-ok
user-pointer
security
x86-64
uncertain
Jun 02, 2026
The io_uring Submission and Completion Queues
linux
linux/syscalls
linux/io_uring
io-uring
ring-buffer
memory-ordering
uncertain
Jun 02, 2026
The vDSO Virtual Dynamic Shared Object
linux
linux/syscalls
linux/abi
linux/vdso
operating-systems
elf
uncertain
Jun 02, 2026
Thread Info Flags and Syscall Exit Work
linux
linux/syscalls
linux/entry
operating-systems
kernel/entry-exit
thread-info
scheduling
signals
Jun 02, 2026
Why System Calls Are Expensive
linux
linux/syscalls
performance
security/meltdown
security/spectre
cpu
kpti
uncertain
Jun 02, 2026
get_user and put_user Accessors
linux
linux/syscalls
linux/uaccess
kernel
security/smap
memory-management
uncertain
Jun 02, 2026
libc Syscall Wrappers and errno Translation
linux
linux/syscalls
libc
glibc
musl
error-handling
tls
operating-systems
Jun 02, 2026
vDSO Symbols and How libc Uses Them
linux
linux/syscalls
linux/abi
linux/vdso
glibc
elf
operating-systems
uncertain