The patch titled
Subject: x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5
has been added to the -mm tree. Its filename is
x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5.patch
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------------------------------------------------------
From: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Subject: x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Tested-by: Kees Cook <keescook@xxxxxxxxxxxx>
Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
init/Kconfig | 4 ++++
scripts/link-vmlinux.sh | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff -puN init/Kconfig~x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5 init/Kconfig
--- a/init/Kconfig~x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5
+++ a/init/Kconfig
@@ -1442,6 +1442,10 @@ config KALLSYMS_ALL
Say N unless you really need all symbols.
+config KALLSYMS_ABSOLUTE_PERCPU
+ bool
+ default X86_64 && SMP
+
config PRINTK
default y
bool "Enable support for printk" if EXPERT
diff -puN scripts/link-vmlinux.sh~x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5 scripts/link-vmlinux.sh
--- a/scripts/link-vmlinux.sh~x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5
+++ a/scripts/link-vmlinux.sh
@@ -86,7 +86,7 @@ kallsyms()
kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET"
fi
- if [ -n "${CONFIG_X86_64}" ] && [ -n "${CONFIG_SMP}" ]; then
+ if [ -n "${CONFIG_KALLSYMS_ABSOLUTE_PERCPU}" ]; then
kallsymopt="${kallsymopt} --absolute-percpu"
fi
_
Patches currently in -mm which might be from ard.biesheuvel@xxxxxxxxxx are
extable-add-support-for-relative-extables-to-search-and-sort-routines.patch
alpha-extable-use-generic-search-and-sort-routines.patch
s390-extable-use-generic-search-and-sort-routines.patch
x86-extable-use-generic-search-and-sort-routines.patch
ia64-extable-use-generic-search-and-sort-routines.patch
arm64-switch-to-relative-exception-tables.patch
x86-kallsyms-disable-absolute-percpu-symbols-on-smp.patch
x86-kallsyms-disable-absolute-percpu-symbols-on-smp-v5.patch
kallsyms-dont-overload-absolute-symbol-type-for-percpu-symbols.patch
kallsyms-add-support-for-relative-offsets-in-kallsyms-address-table.patch
kallsyms-add-support-for-relative-offsets-in-kallsyms-address-table-v5.patch
scripts-link-vmlinuxsh-force-error-on-kallsyms-failure.patch
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