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Merge branch 'for-next/docs' into for-next/core

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* for-next/docs:
  arm64/sme: Drop inaccurate documentation of streaming mode switches
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Will Deacon
2025-09-24 16:33:58 +01:00
parent 3d751c56c9 3c0979c644
commit e0669b95f7
1 changed files with 2 additions and 12 deletions
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Documentation/arch/arm64/sme.rst
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@@ -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.