From mboxrd@z Thu Jan 1 00:00:00 1970 From: geoff@infradead.org (Geoff Levand) Date: Thu, 23 Oct 2014 23:10:58 +0000 Subject: [PATCH 06/10] arm64: Update booting.txt to reserved-memory nodes In-Reply-To: References: Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Change any reference of device tree '/memreserve/' entries in the arm64 booting.txt to refer to 'reserved-memory nodes'. Reserved-memory nodes are the preferred method of specifying reserved memory. Signed-off-by: Geoff Levand --- Documentation/arm64/booting.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/arm64/booting.txt b/Documentation/arm64/booting.txt index f3c05b5..7446822 100644 --- a/Documentation/arm64/booting.txt +++ b/Documentation/arm64/booting.txt @@ -196,7 +196,7 @@ following manner: naturally-aligned 64-bit zero-initalised memory location. These CPUs should spin outside of the kernel in a reserved area of - memory (communicated to the kernel by a /memreserve/ region in the + memory (communicated to the kernel by a reserved-memory node in the device tree) polling their cpu-release-addr location, which must be contained in the reserved region. A wfe instruction may be inserted to reduce the overhead of the busy-loop and a sev will be issued by @@ -209,7 +209,7 @@ following manner: - CPUs with a "psci" enable method should remain outside of the kernel (i.e. outside of the regions of memory described to the kernel in the memory node, or in a reserved area of memory described - to the kernel by a /memreserve/ region in the device tree). The + to the kernel by a reserved-memory node in the device tree). The kernel will issue CPU_ON calls as described in ARM document number ARM DEN 0022A ("Power State Coordination Interface System Software on ARM processors") to bring CPUs into the kernel. -- 1.9.1