diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2012-12-20 12:47:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:46:43 -0800 |
| commit | fdcc934ea116e2e4cc3552c7add4bea979da87c7 (patch) | |
| tree | 2045658aced49835a2a6ccccce6d5b95d7e5ac67 /arch | |
| parent | 0e3f380e4da94e19a2e32fa00a144bed52aa561a (diff) | |
Revert "MIPS: Optimise TLB handlers for MIPS32/64 R2 cores."
commit 9120963578320532dfb3a9a7947e8d05b39900b5 upstream.
This reverts commit ff401e52100dcdc85e572d1ad376d3307b3fe28e.
This breaks on MIPS64 R2 cores such as Broadcom's.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/mm/tlbex.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 2833dcb67b5..e7c383b3afb 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -952,13 +952,6 @@ build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr) #endif uasm_i_mfc0(p, tmp, C0_BADVADDR); /* get faulting address */ uasm_i_lw(p, ptr, uasm_rel_lo(pgdc), ptr); - - if (cpu_has_mips_r2) { - uasm_i_ext(p, tmp, tmp, PGDIR_SHIFT, (32 - PGDIR_SHIFT)); - uasm_i_ins(p, ptr, tmp, PGD_T_LOG2, (32 - PGDIR_SHIFT)); - return; - } - uasm_i_srl(p, tmp, tmp, PGDIR_SHIFT); /* get pgd only bits */ uasm_i_sll(p, tmp, tmp, PGD_T_LOG2); uasm_i_addu(p, ptr, ptr, tmp); /* add in pgd offset */ @@ -994,15 +987,6 @@ static void __cpuinit build_adjust_context(u32 **p, unsigned int ctx) static void __cpuinit build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr) { - if (cpu_has_mips_r2) { - /* PTE ptr offset is obtained from BadVAddr */ - UASM_i_MFC0(p, tmp, C0_BADVADDR); - UASM_i_LW(p, ptr, 0, ptr); - uasm_i_ext(p, tmp, tmp, PAGE_SHIFT+1, PGDIR_SHIFT-PAGE_SHIFT-1); - uasm_i_ins(p, ptr, tmp, PTE_T_LOG2+1, PGDIR_SHIFT-PAGE_SHIFT-1); - return; - } - /* * Bug workaround for the Nevada. It seems as if under certain * circumstances the move from cp0_context might produce a |