linux-kernel - [PATCH 11/29] x86/ibt,crypto: Add ENDBR for the jump-table entries

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Message-ID: <20220218171409.219284012@infradead.org>
Date:   Fri, 18 Feb 2022 17:49:13 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org, joao@...rdrivepizza.com, hjl.tools@...il.com,
        jpoimboe@...hat.com, andrew.cooper3@...rix.com
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        ndesaulniers@...gle.com, keescook@...omium.org,
        samitolvanen@...gle.com, mark.rutland@....com,
        alyssa.milburn@...el.com
Subject: [PATCH 11/29] x86/ibt,crypto: Add ENDBR for the jump-table entries


Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 arch/x86/crypto/crc32c-pcl-intel-asm_64.S |    3 +++
 1 file changed, 3 insertions(+)

--- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
@@ -195,6 +195,7 @@ SYM_FUNC_START(crc_pcl)
 .altmacro
 LABEL crc_ %i
 .noaltmacro
+	ENDBR
 	crc32q   -i*8(block_0), crc_init
 	crc32q   -i*8(block_1), crc1
 	crc32q   -i*8(block_2), crc2
@@ -203,6 +204,7 @@ LABEL crc_ %i
 
 .altmacro
 LABEL crc_ %i
+	ENDBR
 .noaltmacro
 	crc32q   -i*8(block_0), crc_init
 	crc32q   -i*8(block_1), crc1
@@ -237,6 +239,7 @@ LABEL crc_ %i
 	################################################################
 
 LABEL crc_ 0
+	ENDBR
 	mov     tmp, len
 	cmp     $128*24, tmp
 	jae     full_block