Skip to content

prctl SME flags for gnu arm64. #3116

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
bors merged 2 commits into from
Feb 19, 2023
Merged

prctl SME flags for gnu arm64. #3116

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
971e7c6
prctl SME flags for gnu arm64.
devnexen Feb 11, 2023
b2cd407
prctl SME flags for gnu arm64.
devnexen Feb 11, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion libc-test/build.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3586,8 +3586,10 @@ fn test_linux(target: &str) {
// present in recent kernels only
"PR_SCHED_CORE" | "PR_SCHED_CORE_CREATE" | "PR_SCHED_CORE_GET" | "PR_SCHED_CORE_MAX" | "PR_SCHED_CORE_SCOPE_PROCESS_GROUP" | "PR_SCHED_CORE_SCOPE_THREAD" | "PR_SCHED_CORE_SCOPE_THREAD_GROUP" | "PR_SCHED_CORE_SHARE_FROM" | "PR_SCHED_CORE_SHARE_TO" => true,

// present in recent kernels only
// present in recent kernels only >= 5.13
"PR_PAC_SET_ENABLED_KEYS" | "PR_PAC_GET_ENABLED_KEYS" => true,
// present in recent kernels only >= 5.19
"PR_SME_SET_VL" | "PR_SME_GET_VL" | "PR_SME_VL_LEN_MAX" | "PR_SME_SET_VL_INHERIT" | "PR_SME_SET_VL_ONE_EXEC" => true,

// Added in Linux 5.14
"FUTEX_LOCK_PI2" => true,
Expand Down
7 changes: 7 additions & 0 deletions src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -590,6 +590,13 @@ pub const PR_PAC_APDAKEY: ::c_ulong = 1 << 2;
pub const PR_PAC_APDBKEY: ::c_ulong = 1 << 3;
pub const PR_PAC_APGAKEY: ::c_ulong = 1 << 4;

pub const PR_SME_SET_VL: ::c_int = 63;
pub const PR_SME_GET_VL: ::c_int = 64;
pub const PR_SME_VL_LEN_MAX: ::c_int = 0xffff;

pub const PR_SME_SET_VL_INHERIT: ::c_ulong = 1 << 17;
pub const PR_SME_SET_VL_ONE_EXEC: ::c_ulong = 1 << 18;

// Syscall table
pub const SYS_io_setup: ::c_long = 0;
pub const SYS_io_destroy: ::c_long = 1;
Expand Down