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raid6: riscv: Prevent compiler from breaking inline vector assembly code

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To prevent the compiler from breaking the inline vector assembly code,
this code must be built without compiler support for vector.

Signed-off-by: Chunyan Zhang <zhangchunyan@iscas.ac.cn>
Link: https://patch.msgid.link/20250718072711.3865118-4-zhangchunyan@iscas.ac.cn
[pjw@kernel.org: cleaned up commit message]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Chunyan Zhang
2025-11-17 21:19:24 -07:00
committed by Paul Walmsley
parent 724c694479
commit 6fcce9f028
1 changed files with 4 additions and 0 deletions
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4
lib/raid6/rvv.c
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@@ -20,6 +20,10 @@ static int rvv_has_vector(void)
return has_vector();
}
#ifdef __riscv_vector
#error "This code must be built without compiler support for vector"
#endif
static void raid6_rvv1_gen_syndrome_real(int disks, unsigned long bytes, void **ptrs)
{
u8 **dptr = (u8 **)ptrs;