diff options
| author | James Hogan <james.hogan@imgtec.com> | 2015-10-16 18:33:13 +0300 |
|---|---|---|
| committer | James Hogan <james.hogan@imgtec.com> | 2017-02-03 18:18:56 +0300 |
| commit | ccf015166ddbbd4c43a16d6871ea15f1fcf51ccc (patch) | |
| tree | d7a6835ed4fae62a859ef73c3310bec05bed10fc /arch/mips/mm/tlbex.c | |
| parent | 814f91bf3ea0962e4f802324766bf301ef6f5431 (diff) | |
| download | linux-ccf015166ddbbd4c43a16d6871ea15f1fcf51ccc.tar.xz | |
MIPS: Export pgd/pmd symbols for KVM
Export pmd_init(), invalid_pmd_table and tlbmiss_handler_setup_pgd to
GPL kernel modules so that MIPS KVM can use the inline page table
management functions and switch between page tables:
- pmd_init() will be used directly by KVM to initialise newly allocated
pmd tables with invalid lower level table pointers.
- invalid_pmd_table is used by pud_present(), pud_none(), and
pud_clear(), which KVM will use to test and clear pud entries.
- tlbmiss_handler_setup_pgd() will be called by KVM entry code to switch
to the appropriate GVA page tables.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Diffstat (limited to 'arch/mips/mm/tlbex.c')
| -rw-r--r-- | arch/mips/mm/tlbex.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 55ce39606cb8..dc7bb1506103 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -22,6 +22,7 @@ */ #include <linux/bug.h> +#include <linux/export.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/smp.h> @@ -1536,7 +1537,9 @@ static void build_loongson3_tlb_refill_handler(void) extern u32 handle_tlbl[], handle_tlbl_end[]; extern u32 handle_tlbs[], handle_tlbs_end[]; extern u32 handle_tlbm[], handle_tlbm_end[]; -extern u32 tlbmiss_handler_setup_pgd_start[], tlbmiss_handler_setup_pgd[]; +extern u32 tlbmiss_handler_setup_pgd_start[]; +extern u32 tlbmiss_handler_setup_pgd[]; +EXPORT_SYMBOL_GPL(tlbmiss_handler_setup_pgd); extern u32 tlbmiss_handler_setup_pgd_end[]; static void build_setup_pgd(void) |