[PATCH 4/8] riscv: Add PLATFORM_MAY_SUPPORT_RISCV_ISA_SVPBMT Kconfig option

[Charlie Jenkins]

Svpbmt would not benefit from having PLATFORM_SUPPORTS_RISCV_ISA_SVPBMT
so just rename RISCV_ISA_SVPBMT to PLATFORM_MAY_SUPPORT_RISCV_ISA_SVPBMT
and move the definition to Kconfig.isa.

Signed-off-by: Charlie Jenkins <charlie at rivosinc.com>
---
 arch/riscv/Kconfig     | 17 -----------------
 arch/riscv/Kconfig.isa | 17 +++++++++++++++++
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 9c3a4347953b..22303a3ab59e 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -484,23 +484,6 @@ config RISCV_ALTERNATIVE_EARLY
 	help
 	  Allows early patching of the kernel for special errata
 
-config RISCV_ISA_SVPBMT
-	bool "Svpbmt extension support for supervisor mode page-based memory types"
-	depends on 64BIT && MMU
-	depends on RISCV_ALTERNATIVE
-	default y
-	help
-	   Add support for the Svpbmt ISA-extension (Supervisor-mode:
-	   page-based memory types) in the kernel when it is detected at boot.
-
-	   The memory type for a page contains a combination of attributes
-	   that indicate the cacheability, idempotency, and ordering
-	   properties for access to that page.
-
-	   The Svpbmt extension is only available on 64-bit cpus.
-
-	   If you don't know what to do here, say Y.
-
 config TOOLCHAIN_HAS_ZBB
 	bool
 	default y
diff --git a/arch/riscv/Kconfig.isa b/arch/riscv/Kconfig.isa
index 37585bcd763e..50e217dc5719 100644
--- a/arch/riscv/Kconfig.isa
+++ b/arch/riscv/Kconfig.isa
@@ -168,3 +168,20 @@ config PLATFORM_SUPPORTS_RISCV_ISA_SVNAPOT
 	  not support Svnapot.
 
 endchoice
+
+config RISCV_ISA_SVPBMT
+	bool "Svpbmt extension support for supervisor mode page-based memory types"
+	depends on 64BIT && MMU
+	depends on RISCV_ALTERNATIVE
+	default y
+	help
+	   Add support for the Svpbmt ISA-extension (Supervisor-mode:
+	   page-based memory types) in the kernel when it is detected at boot.
+
+	   The memory type for a page contains a combination of attributes
+	   that indicate the cacheability, idempotency, and ordering
+	   properties for access to that page.
+
+	   The Svpbmt extension is only available on 64-bit cpus.
+
+	   If you don't know what to do here, say Y.

-- 
2.44.0