[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [LINUX] Force .data segment to be 4k aligned on i386
# HG changeset patch # User Ian Campbell <ian.campbell@xxxxxxxxxxxxx> # Date 1169544692 0 # Node ID 4e878f596c16f48775d256d7621220ec63e60d2d # Parent b75af612851c643ba0646c5107fb49da3551dd0a [LINUX] Force .data segment to be 4k aligned on i386 by backporting git changeset c06cb8b1c4d25e5b4d7a2d7c2462619de1e0dbc4 This is required for kexec/kdump. Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxxxxx> --- patches/linux-2.6.18/git-c06cb8b1c4d25e5b4d7a2d7c2462619de1e0dbc4.patch | 27 ++++++++++ patches/linux-2.6.18/series | 1 2 files changed, 28 insertions(+) diff -r b75af612851c -r 4e878f596c16 patches/linux-2.6.18/git-c06cb8b1c4d25e5b4d7a2d7c2462619de1e0dbc4.patch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/linux-2.6.18/git-c06cb8b1c4d25e5b4d7a2d7c2462619de1e0dbc4.patch Tue Jan 23 09:31:32 2007 +0000 @@ -0,0 +1,29 @@ +commit c06cb8b1c4d25e5b4d7a2d7c2462619de1e0dbc4 +Author: Vivek Goyal <vgoyal@xxxxxxxxxx> +Date: Wed Nov 8 17:44:41 2006 -0800 + + [PATCH] i386: Force data segment to be 4K aligned + + o Currently there is no specific alignment restriction in linker script + and in some cases it can be placed non 4K aligned addresses. This fails + kexec which checks that segment to be loaded is page aligned. + + o I guess, it does not harm data segment to be 4K aligned. + + Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx> + Signed-off-by: Andi Kleen <ak@xxxxxxx> + Signed-off-by: Andrew Morton <akpm@xxxxxxxx> + Signed-off-by: Linus Torvalds <torvalds@xxxxxxxx> + +diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S +index adc1f23..c6f84a0 100644 +--- a/arch/i386/kernel/vmlinux.lds.S ++++ b/arch/i386/kernel/vmlinux.lds.S +@@ -51,6 +51,7 @@ SECTIONS + __tracedata_end = .; + + /* writeable */ ++ . = ALIGN(4096); + .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ + *(.data) + CONSTRUCTORS diff -r b75af612851c -r 4e878f596c16 patches/linux-2.6.18/series --- a/patches/linux-2.6.18/series Mon Jan 22 17:31:15 2007 +0000 +++ b/patches/linux-2.6.18/series Tue Jan 23 09:31:32 2007 +0000 @@ -17,3 +17,4 @@ git-dbaab49f92ff6ae6255762a948375e4036cb git-dbaab49f92ff6ae6255762a948375e4036cbdbd2.patch x86-elfnote-as-preprocessor-macro.patch fixaddr-top.patch +git-c06cb8b1c4d25e5b4d7a2d7c2462619de1e0dbc4.patch _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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