From: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Matt Fleming <matt.fleming@intel.com>,
fu.wei@linaro.org, al.stone@linaro.org, bp@alien8.de,
tony.luck@gmail.com, ying.huang@intel.com
Cc: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH V3 1/4] x86: acpi: define uncached page flag
Date: Thu, 11 Jun 2015 11:25:57 -0700 [thread overview]
Message-ID: <1434047160-23358-2-git-send-email-zjzhang@codeaurora.org> (raw)
In-Reply-To: <1434047160-23358-1-git-send-email-zjzhang@codeaurora.org>
From: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>
This definition is used in APEI code when needing to map pages as
uncached.
Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org>
---
arch/x86/include/asm/acpi.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 3a45668f6dc3..6afb27682b00 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -138,6 +138,10 @@ static inline void disable_acpi(void) { }
#endif /* !CONFIG_ACPI */
+#ifdef CONFIG_ACPI_APEI
+#define ARCH_APEI_PAGE_KERNEL_UC (PAGE_KERNEL_NOCACHE)
+#endif /*CONFIG_ACPI_APEI */
+
#define ARCH_HAS_POWER_INIT 1
#ifdef CONFIG_ACPI_NUMA
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-06-11 18:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 18:25 [PATCH V3 0/4] map GHES memory region with EFI memory map Jonathan (Zhixiong) Zhang
2015-06-11 18:25 ` Jonathan (Zhixiong) Zhang [this message]
2015-06-12 7:52 ` [PATCH V3 1/4] x86: acpi: define uncached page flag Ingo Molnar
2015-06-12 23:49 ` Zhang, Jonathan Zhixiong
2015-06-11 18:25 ` [PATCH V3 2/4] arm64: " Jonathan (Zhixiong) Zhang
2015-06-11 18:25 ` [PATCH V3 3/4] efi: x86: rearrange efi_mem_attributes() Jonathan (Zhixiong) Zhang
2015-06-11 18:26 ` [PATCH V3 4/4] acpi, apei: use EFI memmap to map GHES memory Jonathan (Zhixiong) Zhang
2015-06-12 16:29 ` Borislav Petkov
2015-06-12 23:44 ` Zhang, Jonathan Zhixiong
2015-06-13 8:27 ` Borislav Petkov
2015-06-15 14:15 ` Matt Fleming
2015-06-15 14:59 ` Borislav Petkov
2015-06-22 5:11 ` Matt Fleming
2015-06-23 9:50 ` Matt Fleming
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