On Fri, Dec 02, 2016 at 02:56:47PM +1100, Michael Ellerman wrote: > Ben Hutchings <b...@decadent.org.uk> writes: > > > [ Unknown signature status ] > > The symbols exported for use by MOL aren't getting CRCs and I was > > about to fix that. But MOL is dead upstream, and the latest work on > > it was to make it use KVM instead of its own kernel module. So remove > > them instead. > > Sounds good to me. > > > diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S > > index 9d963547d243..87998430cd9b 100644 > > --- a/arch/powerpc/kernel/head_32.S > > +++ b/arch/powerpc/kernel/head_32.S > > @@ -735,11 +735,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_NEED_DTLB_SW_LRU) > > EXCEPTION(0x2c00, Trap_2c, unknown_exception, EXC_XFER_EE) > > EXCEPTION(0x2d00, Trap_2d, unknown_exception, EXC_XFER_EE) > > EXCEPTION(0x2e00, Trap_2e, unknown_exception, EXC_XFER_EE) > > - EXCEPTION(0x2f00, MOLTrampoline, unknown_exception, EXC_XFER_EE_LITE) > > - > > - .globl mol_trampoline > > - .set mol_trampoline, i0x2f00 > > - EXPORT_SYMBOL(mol_trampoline) > > + EXCEPTION(0x2f00, Trap_2f, unknown_exception, EXC_XFER_EE) > > > > . = 0x3000 > > > > @@ -1289,7 +1285,6 @@ intercept_table: > > .long 0, 0, 0, 0, 0, 0, 0, 0 > > .long 0, 0, 0, 0, 0, 0, 0, 0 > > .long 0, 0, 0, 0, 0, 0, 0, 0 > > -EXPORT_SYMBOL(intercept_table) > > I don't see intercept_table used anywhere, so I think we can just remove > it entirely?
That's strange, so it's actually constant data. And... I've managed to confuse myself about which symbols are for MOL. This one was actually used by rtlinux, which AFAICS is also long dead. > > diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S > > index 09cc50c8dace..cddf14f60bf3 100644 > > --- a/arch/powerpc/mm/hash_low_32.S > > +++ b/arch/powerpc/mm/hash_low_32.S > > @@ -34,7 +34,6 @@ > > .globl mmu_hash_lock > > mmu_hash_lock: > > .space 4 > > -EXPORT_SYMBOL(mmu_hash_lock) > > #endif /* CONFIG_SMP */ > > And now mmu_hash_lock is only used in this file, so doesn't need to be > global anymore. Right. Ben. > I can fix both of those up here, will just wait a bit to see if anyone > else has comments. > > cheers -- Ben Hutchings It's easier to fight for one's principles than to live up to them.
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