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Date: Mon, 25 Jan 2016 15:19:30 +0100 From: Ard Biesheuvel <ard.biesheuvel@...aro.org> To: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, x86@...nel.org, keescook@...omium.org, akpm@...ux-foundation.org, mingo@...nel.org, hpa@...or.com, heiko.carstens@...ibm.com, benh@...nel.crashing.org, mpe@...erman.id.au, mmarek@...e.cz, rusty@...tcorp.com.au, arnd@...db.de, linux-arch@...r.kernel.org, linux@...ck-us.net Cc: Ard Biesheuvel <ard.biesheuvel@...aro.org> Subject: [PATCH v4 1/3] x86: kallsyms: disable absolute percpu symbols on !SMP scripts/kallsyms.c has a special --absolute-percpu command line option which deals with the zero based per cpu offsets that are used when building for SMP on x86_64. This means that the option should only be passed in that case, so add a check for CONFIG_SMP. Otherwise, per cpu variables are recorded as absolute quantities, (which they are not under !CONFIG_SMP) and they are not relocated under CONFIG_RELOCATABLE=y. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org> --- scripts/link-vmlinux.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index ba6c34ea5429..b541c21072f2 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -86,7 +86,7 @@ kallsyms() kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET" fi - if [ -n "${CONFIG_X86_64}" ]; then + if [ -n "${CONFIG_X86_64}" ] && [ -n "${CONFIG_SMP}" ]; then kallsymopt="${kallsymopt} --absolute-percpu" fi -- 2.5.0
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