diff options
| author | Anton Blanchard <antonb@tenstorrent.com> | 2024-08-19 02:11:31 +0200 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-09-03 16:57:05 +0200 |
| commit | 5ba7a75a53dffbf727e842b5847859bb482ac4aa (patch) | |
| tree | a0c4c1725e5771c3028368b77ca20101f267d828 /arch/riscv | |
| parent | riscv: misaligned: Restrict user access to kernel memory (diff) | |
| download | linux-5ba7a75a53dffbf727e842b5847859bb482ac4aa.tar.xz linux-5ba7a75a53dffbf727e842b5847859bb482ac4aa.zip | |
riscv: Fix toolchain vector detection
A recent change to gcc flags rv64iv as no longer valid:
cc1: sorry, unimplemented: Currently the 'V' implementation
requires the 'M' extension
and as a result vector support is disabled. Fix this by adding m
to our toolchain vector detection code.
Signed-off-by: Anton Blanchard <antonb@tenstorrent.com>
Fixes: fa8e7cce55da ("riscv: Enable Vector code to be built")
Link: https://lore.kernel.org/r/20240819001131.1738806-1-antonb@tenstorrent.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/Kconfig | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 0f3cd7c3a436..939ea7f6a228 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -552,8 +552,8 @@ config RISCV_ISA_SVPBMT config TOOLCHAIN_HAS_V bool default y - depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64iv) - depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32iv) + depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64imv) + depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32imv) depends on LLD_VERSION >= 140000 || LD_VERSION >= 23800 depends on AS_HAS_OPTION_ARCH |