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Date:   Mon, 9 Aug 2021 01:25:52 +0800
From:   Jisheng Zhang <jszhang3@mail.ustc.edu.cn>
To:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] riscv: Enable BUILDTIME_TABLE_SORT
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In-Reply-To: <20210809012509.4983c1d6@xhacker>
References: <20210809012509.4983c1d6@xhacker>
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From: Jisheng Zhang <jszhang@kernel.org>

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

Signed-off-by: Jisheng Zhang <jszhang@kernel.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
 	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