diff options
| author | Will Deacon <will@kernel.org> | 2025-09-24 16:33:58 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2025-09-24 16:33:58 +0100 |
| commit | e0669b95f7a5614159045cd930071ff711f82b3e (patch) | |
| tree | 5b066a5210f7bef91318ab3a984bd4480f53d670 | |
| parent | 3d751c56c9de79b1624e45aba404177115b268c0 (diff) | |
| parent | 3c0979c64481f07a6bf9c1775601845ac5fa57f3 (diff) | |
Merge branch 'for-next/docs' into for-next/core
* for-next/docs:
arm64/sme: Drop inaccurate documentation of streaming mode switches
| -rw-r--r-- | Documentation/arch/arm64/sme.rst | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/Documentation/arch/arm64/sme.rst b/Documentation/arch/arm64/sme.rst index 4cb38330e704..583f2ee9cb97 100644 --- a/Documentation/arch/arm64/sme.rst +++ b/Documentation/arch/arm64/sme.rst @@ -81,17 +81,7 @@ The ZA matrix is square with each side having as many bytes as a streaming mode SVE vector. -3. Sharing of streaming and non-streaming mode SVE state ---------------------------------------------------------- - -It is implementation defined which if any parts of the SVE state are shared -between streaming and non-streaming modes. When switching between modes -via software interfaces such as ptrace if no register content is provided as -part of switching no state will be assumed to be shared and everything will -be zeroed. - - -4. System call behaviour +3. System call behaviour ------------------------- * On syscall PSTATE.ZA is preserved, if PSTATE.ZA==1 then the contents of the @@ -112,7 +102,7 @@ be zeroed. exceptions for execve() described in section 6. -5. Signal handling +4. Signal handling ------------------- * Signal handlers are invoked with PSTATE.SM=0, PSTATE.ZA=0, and TPIDR2_EL0=0. |