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authorMarc Dionne <marc.c.dionne@gmail.com>2015-05-04 21:16:44 +0300
committerThomas Gleixner <tglx@linutronix.de>2015-05-05 21:40:31 +0300
commitde71ad2c97862eae1516aa36528cc3b317c17b2f (patch)
tree847db0cf7b03406ca17514bea8b1ff1a4357f1db /arch
parente8a4a2696fecb398b0288c43c0e0dbb91e265bb2 (diff)
downloadlinux-de71ad2c97862eae1516aa36528cc3b317c17b2f.tar.xz
x86: Make cpu_tss available to external modules
Commit 75182b1632 ("x86/asm/entry: Switch all C consumers of kernel_stack to this_cpu_sp0()") changed current_thread_info to use this_cpu_sp0, and indirectly made it rely on init_tss which was exported with EXPORT_PER_CPU_SYMBOL_GPL. As a result some macros and inline functions such as set/get_fs, test_thread_flag and variants have been made unusable for external modules. Make cpu_tss exported with EXPORT_PER_CPU_SYMBOL so that these functions are accessible again, as they were previously. Signed-off-by: Marc Dionne <marc.dionne@your-file-system.com> Acked-by: Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/1430763404-21221-1-git-send-email-marc.dionne@your-file-system.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/process.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 8213da62b1b7..bfc99b3b6522 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -57,7 +57,7 @@ __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = {
.io_bitmap = { [0 ... IO_BITMAP_LONGS] = ~0 },
#endif
};
-EXPORT_PER_CPU_SYMBOL_GPL(cpu_tss);
+EXPORT_PER_CPU_SYMBOL(cpu_tss);
#ifdef CONFIG_X86_64
static DEFINE_PER_CPU(unsigned char, is_idle);