From: Zelin Deng <zelin.deng@linux.alibaba.com>
To: x86@kernel.org, linux-kernel@vger.kernel.org
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
Zelin Deng <zelin.deng@linux.alibaba.com>
Subject: [PATCH 1/2] mm/early_ioremap.c: Always build early_memremap_prot() in x86
Date: Thu, 24 Nov 2022 17:12:45 +0800 [thread overview]
Message-ID: <20221124091246.4957-2-zelin.deng@linux.alibaba.com> (raw)
In-Reply-To: <20221124091246.4957-1-zelin.deng@linux.alibaba.com>
In some scenarios, we'd want to specify protection attributes when we
are doing early memory map. As early_memremap_prot() is also defined in
loongarch it's better to select ARCH_USE_MEMREMAP_PROT on X86 config to
avoid redefined error.
Signed-off-by: Zelin Deng <zelin.deng@linux.alibaba.com>
---
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 48d98a5fe06b..133d7d660b2e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -97,6 +97,7 @@ config X86
select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
select ARCH_HAS_SYSCALL_WRAPPER
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_USE_MEMREMAP_PROT
select ARCH_HAS_DEBUG_WX
select ARCH_HAS_ZONE_DMA_SET if EXPERT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
--
2.27.0
next prev parent reply other threads:[~2022-11-24 9:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-24 9:12 [PATCH 0/2] Map initrd as encrypted when relocating if SME is enabled Zelin Deng
2022-11-24 9:12 ` Zelin Deng [this message]
2022-11-24 9:12 ` [PATCH 2/2] x86/setup: Preserve _ENC flag when initrd is being relocated Zelin Deng
2022-11-24 9:37 ` Zelin Deng
2022-11-24 14:26 ` [PATCH 0/2] Map initrd as encrypted when relocating if SME is enabled Tom Lendacky
2022-11-24 23:21 ` Zelin Deng
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