From: Charlie Jenkins Date: Sat, 29 Jun 2024 00:25:49 +0000 (-0700) Subject: documentation: Fix riscv cmodx example X-Git-Tag: v6.10-rc7~7^2~4 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7c5d838d70902f017bc9b272b494994654b0c2bd;p=linux-2.6-block.git documentation: Fix riscv cmodx example ON/OFF in the keys was swapped between the first and second argument of the prctl. The prctl key is always PR_RISCV_SET_ICACHE_FLUSH_CTX, and the second argument can be PR_RISCV_CTX_SW_FENCEI_ON or PR_RISCV_CTX_SW_FENCEI_OFF. Signed-off-by: Charlie Jenkins Fixes: 6a08e4709c58 ("documentation: Document PR_RISCV_SET_ICACHE_FLUSH_CTX prctl") Link: https://lore.kernel.org/r/20240628-fix_cmodx_example-v1-1-e6c6523bc163@rivosinc.com Signed-off-by: Palmer Dabbelt --- diff --git a/Documentation/arch/riscv/cmodx.rst b/Documentation/arch/riscv/cmodx.rst index 1c0ca06b6c97..8c48bcff3df9 100644 --- a/Documentation/arch/riscv/cmodx.rst +++ b/Documentation/arch/riscv/cmodx.rst @@ -62,10 +62,10 @@ cmodx.c:: printf("Value before cmodx: %d\n", value); // Call prctl before first fence.i is called inside modify_instruction - prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX_ON, PR_RISCV_CTX_SW_FENCEI, PR_RISCV_SCOPE_PER_PROCESS); + prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX, PR_RISCV_CTX_SW_FENCEI_ON, PR_RISCV_SCOPE_PER_PROCESS); modify_instruction(); // Call prctl after final fence.i is called in process - prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX_OFF, PR_RISCV_CTX_SW_FENCEI, PR_RISCV_SCOPE_PER_PROCESS); + prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX, PR_RISCV_CTX_SW_FENCEI_OFF, PR_RISCV_SCOPE_PER_PROCESS); value = get_value(); printf("Value after cmodx: %d\n", value);