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authorNicholas Piggin <npiggin@gmail.com>2019-08-27 06:30:06 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-08-28 16:19:34 +0300
commitfacd04a904ff6cdc6ee85d6e85d500f478a1bec4 (patch)
tree77428cecf566b96af47a3e91c155eeb7456442e5 /arch/powerpc/Kconfig
parentc7bf1252d5b3891b4ab7072b240a8422fb9da793 (diff)
downloadlinux-facd04a904ff6cdc6ee85d6e85d500f478a1bec4.tar.xz
powerpc: convert to copy_thread_tls
Commit 3033f14ab78c3 ("clone: support passing tls argument via C rather than pt_regs magic") introduced the HAVE_COPY_THREAD_TLS option. Use it to avoid a subtle assumption about the argument ordering of clone type syscalls. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190827033010.28090-2-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3d65084f4066..cfb21856559b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -184,6 +184,7 @@ config PPC
select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13)
select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2)
select HAVE_CONTEXT_TRACKING if PPC64
+ select HAVE_COPY_THREAD_TLS
select HAVE_DEBUG_KMEMLEAK
select HAVE_DEBUG_STACKOVERFLOW
select HAVE_DYNAMIC_FTRACE