From: "Rémi Denis-Courmont" <remi@remlab.net>
To: catalin.marinas@arm.com, will@kernel.org,
linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com, linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] arm64/sdei: gather trampolines' .rodata
Date: Mon, 16 Mar 2020 14:40:45 +0200 [thread overview]
Message-ID: <20200316124046.103844-2-remi@remlab.net> (raw)
From: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
This gathers the two bits of data together for clarity.
Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
---
arch/arm64/kernel/entry.S | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 24f828739696..af17fcb4aaea 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -859,6 +859,11 @@ SYM_CODE_END(tramp_exit_compat)
#ifdef CONFIG_RANDOMIZE_BASE
.pushsection ".rodata", "a"
.align PAGE_SHIFT
+#ifdef CONFIG_ARM_SDE_INTERFACE
+SYM_DATA_START(__sdei_asm_trampoline_next_handler)
+ .quad __sdei_asm_handler
+SYM_DATA_END(__sdei_asm_trampoline_next_handler)
+#endif
SYM_DATA_START(__entry_tramp_data_start)
.quad vectors
SYM_DATA_END(__entry_tramp_data_start)
@@ -980,13 +985,6 @@ SYM_CODE_END(__sdei_asm_exit_trampoline)
NOKPROBE(__sdei_asm_exit_trampoline)
.ltorg
.popsection // .entry.tramp.text
-#ifdef CONFIG_RANDOMIZE_BASE
-.pushsection ".rodata", "a"
-SYM_DATA_START(__sdei_asm_trampoline_next_handler)
- .quad __sdei_asm_handler
-SYM_DATA_END(__sdei_asm_trampoline_next_handler)
-.popsection // .rodata
-#endif /* CONFIG_RANDOMIZE_BASE */
#endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */
/*
--
2.25.1
next reply other threads:[~2020-03-16 12:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 12:40 Rémi Denis-Courmont [this message]
2020-03-17 22:32 ` Will Deacon
2020-03-19 9:12 [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment Rémi Denis-Courmont
2020-03-19 9:14 ` [PATCH 2/3] arm64/sdei: gather trampolines' .rodata Rémi Denis-Courmont
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