linux-kernel - [PATCH 1/1] RISC-V: correct enum sbi_ext_rfence

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Message-Id: <20210306054801.18263-1-xypron.glpk@gmx.de>
Date:   Sat,  6 Mar 2021 06:48:01 +0100
From:   Heinrich Schuchardt <xypron.glpk@....de>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
Cc:     Atish Patra <atish.patra@....com>, Anup Patel <anup.patel@....com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Heinrich Schuchardt <xypron.glpk@....de>,
        Sean Anderson <seanga2@...il.com>
Subject: [PATCH 1/1] RISC-V: correct enum sbi_ext_rfence_fid

The constants in enum sbi_ext_rfence_fid should match the SBI
specification. See
https://github.com/riscv/riscv-sbi-doc/blob/master/riscv-sbi.adoc#78-function-listing

| Function Name               | FID | EID
| sbi_remote_fence_i          |   0 | 0x52464E43
| sbi_remote_sfence_vma       |   1 | 0x52464E43
| sbi_remote_sfence_vma_asid  |   2 | 0x52464E43
| sbi_remote_hfence_gvma_vmid |   3 | 0x52464E43
| sbi_remote_hfence_gvma      |   4 | 0x52464E43
| sbi_remote_hfence_vvma_asid |   5 | 0x52464E43
| sbi_remote_hfence_vvma      |   6 | 0x52464E43

Fixes: ecbacc2a3efd ("RISC-V: Add SBI v0.2 extension definitions")
Reported-by: Sean Anderson <seanga2@...il.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 arch/riscv/include/asm/sbi.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 99895d9c3bdd..d7027411dde8 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -51,10 +51,10 @@ enum sbi_ext_rfence_fid {
 	SBI_EXT_RFENCE_REMOTE_FENCE_I = 0,
 	SBI_EXT_RFENCE_REMOTE_SFENCE_VMA,
 	SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID,
-	SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
 	SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID,
-	SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
+	SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
 	SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID,
+	SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
 };

 enum sbi_ext_hsm_fid {
--
2.30.1