linux-kernel - [PATCH v2 1/2] riscv: Enable BUILDTIME_TABLE

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Message-ID: <20210826221029.39a77a02@xhacker>
Date:   Thu, 26 Aug 2021 22:10:29 +0800
From:   Jisheng Zhang <jszhang3@...l.ustc.edu.cn>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] riscv: Enable BUILDTIME_TABLE_SORT

From: Jisheng Zhang <jszhang@...nel.org>

Enable BUILDTIME_TABLE_SORT to sort the exception table at build time
rather than during boot.

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 arch/riscv/Kconfig  | 1 +
 scripts/sorttable.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 80a7aa9f74de..570689d3889b 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -40,6 +40,7 @@ config RISCV
 	select ARCH_WANT_FRAME_POINTERS
 	select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
 	select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU
+	select BUILDTIME_TABLE_SORT if MMU
 	select CLONE_BACKWARDS
 	select CLINT_TIMER if !MMU
 	select COMMON_CLK
diff --git a/scripts/sorttable.c b/scripts/sorttable.c
index 0ef3abfc4a51..f355869c65cd 100644
--- a/scripts/sorttable.c
+++ b/scripts/sorttable.c
@@ -349,6 +349,7 @@ static int do_file(char const *const fname, void *addr)
 	case EM_ARM:
 	case EM_MICROBLAZE:
 	case EM_MIPS:
+	case EM_RISCV:
 	case EM_XTENSA:
 		break;
 	default:
-- 
2.32.0