|
 |
ae23c9 |
From e54816f13676b09c4bd8899b466f8aafb9cf3d0e Mon Sep 17 00:00:00 2001
|
|
|
ae23c9 |
From: David Gibson <dgibson@redhat.com>
|
|
|
ae23c9 |
Date: Wed, 25 Jul 2018 07:35:49 +0100
|
|
|
ae23c9 |
Subject: [PATCH 02/14] osdep: powerpc64 align memory to allow 2MB radix THP
|
|
|
ae23c9 |
page tables
|
|
|
ae23c9 |
|
|
|
ae23c9 |
RH-Author: David Gibson <dgibson@redhat.com>
|
|
|
ae23c9 |
Message-id: <20180725073549.9857-1-dgibson@redhat.com>
|
|
|
ae23c9 |
Patchwork-id: 81499
|
|
|
ae23c9 |
O-Subject: [RHEL-8.0 qemu-kvm PATCH] osdep: powerpc64 align memory to allow 2MB radix THP page tables
|
|
|
ae23c9 |
Bugzilla: 1601317
|
|
|
ae23c9 |
RH-Acked-by: Thomas Huth <thuth@redhat.com>
|
|
|
ae23c9 |
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
|
|
|
ae23c9 |
RH-Acked-by: Serhii Popovych <spopovyc@redhat.com>
|
|
|
ae23c9 |
|
|
|
ae23c9 |
From: Nicholas Piggin <npiggin@gmail.com>
|
|
|
ae23c9 |
|
|
|
ae23c9 |
This allows KVM with the Book3S radix MMU mode to take advantage of
|
|
|
ae23c9 |
THP and install larger pages in the partition scope page tables (the
|
|
|
ae23c9 |
host translation).
|
|
|
ae23c9 |
|
|
|
ae23c9 |
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
|
|
|
ae23c9 |
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
|
|
|
ae23c9 |
(cherry picked from commit 0c1272cc7c72dfe0ef66be8f283cf67c74b58586)
|
|
|
ae23c9 |
|
|
|
ae23c9 |
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1601317
|
|
|
ae23c9 |
Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=17346107
|
|
|
ae23c9 |
|
|
|
ae23c9 |
Signed-off-by: David Gibson <dgibson@redhat.com>
|
|
|
ae23c9 |
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
|
|
|
ae23c9 |
---
|
|
|
ae23c9 |
include/qemu/osdep.h | 3 ++-
|
|
|
ae23c9 |
1 file changed, 2 insertions(+), 1 deletion(-)
|
|
|
ae23c9 |
|
|
|
ae23c9 |
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
|
|
|
ae23c9 |
index 4165806..5910682 100644
|
|
|
ae23c9 |
--- a/include/qemu/osdep.h
|
|
|
ae23c9 |
+++ b/include/qemu/osdep.h
|
|
|
ae23c9 |
@@ -357,7 +357,8 @@ void qemu_anon_ram_free(void *ptr, size_t size);
|
|
|
ae23c9 |
#endif
|
|
|
ae23c9 |
|
|
|
ae23c9 |
#if defined(__linux__) && \
|
|
|
ae23c9 |
- (defined(__x86_64__) || defined(__arm__) || defined(__aarch64__))
|
|
|
ae23c9 |
+ (defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) \
|
|
|
ae23c9 |
+ || defined(__powerpc64__))
|
|
|
ae23c9 |
/* Use 2 MiB alignment so transparent hugepages can be used by KVM.
|
|
|
ae23c9 |
Valgrind does not support alignments larger than 1 MiB,
|
|
|
ae23c9 |
therefore we need special code which handles running on Valgrind. */
|
|
|
ae23c9 |
--
|
|
|
ae23c9 |
1.8.3.1
|
|
|
ae23c9 |
|