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[v2,3/3] arm64: Restrict Rust support to little endian only.

Message ID 20230606145606.1153715-4-Jamie.Cunliffe@arm.com (mailing list archive)
State New, archived
Headers show
Series Rust enablement for AArch64 | expand

Commit Message

Jamie Cunliffe June 6, 2023, 2:56 p.m. UTC 
Signed-off-by: Jamie Cunliffe <Jamie.Cunliffe@arm.com>
---
 Documentation/rust/arch-support.rst | 2 +-
 arch/arm64/Kconfig                  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/Documentation/rust/arch-support.rst b/Documentation/rust/arch-support.rst
index 9b022af2f649..6bcb3b97c5b6 100644
--- a/Documentation/rust/arch-support.rst
+++ b/Documentation/rust/arch-support.rst
@@ -15,7 +15,7 @@  support corresponds to ``S`` values in the ``MAINTAINERS`` file.
 ============  ================  ==============================================
 Architecture  Level of support  Constraints
 ============  ================  ==============================================
-``arm64``     Maintained        None.
+``arm64``     Maintained        Little Endian only.
 ``um``        Maintained        ``x86_64`` only.
 ``x86``       Maintained        ``x86_64`` only.
 ============  ================  ==============================================
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 10e9399e8e2f..02187dd3b839 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -217,7 +217,7 @@  config ARM64
 	select HAVE_FUNCTION_ARG_ACCESS_API
 	select MMU_GATHER_RCU_TABLE_FREE
 	select HAVE_RSEQ
-	select HAVE_RUST
+	select HAVE_RUST if CPU_LITTLE_ENDIAN
 	select HAVE_STACKPROTECTOR
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_KPROBES