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From: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>
To: leif.lindholm@linaro.org, fu.wei@linaro.org, al.stone@linaro.org,
	bp@alien8.de, Matt Fleming <matt.fleming@intel.com>,
	tony.luck@gmail.com, ying.huang@intel.com
Cc: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>,
	linux-kernel@vger.kernel.org
Subject: [PATCH V3 2/4] arm64: acpi: define uncached page flag
Date: Thu, 11 Jun 2015 11:25:58 -0700	[thread overview]
Message-ID: <1434047160-23358-3-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 defintion is used in ACPI code when needing to map page
as uncached.

Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org>
---
 arch/arm64/include/asm/acpi.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index 59c05d8ea4a0..518b91dc5acd 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -93,4 +93,8 @@ static inline bool acpi_psci_use_hvc(void) { return false; }
 static inline void acpi_init_cpus(void) { }
 #endif /* CONFIG_ACPI */
 
+#ifdef CONFIG_ACPI_APEI
+#define ARCH_APEI_PAGE_KERNEL_UC (PROT_DEVICE_nGnRE)
+#endif /*CONFIG_ACPI_APEI */
+
 #endif /*_ASM_ACPI_H*/
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply	other threads:[~2015-06-11 18:26 UTC|newest]

Thread overview: 15+ 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 ` [PATCH V3 1/4] x86: acpi: define uncached page flag Jonathan (Zhixiong) Zhang
2015-06-12  7:52   ` Ingo Molnar
2015-06-12 23:49     ` Zhang, Jonathan Zhixiong
2015-06-11 18:25 ` Jonathan (Zhixiong) Zhang [this message]
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
2015-06-22  5:11               ` Matt Fleming
2015-06-23  9:50               ` Matt Fleming

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