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powerpc/8xx: Inconditionally use task PGDIR in ITLB misses
Now that modules exec page tables are preallocated, the instruction TLBmiss handler can use task PGDIR inconditionally. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/774fd766a8b9bcb9173b5e677d5dad0df2d3970f.1724173828.git.christophe.leroy@csgroup.eu
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@ -199,18 +199,7 @@ instruction_counter:
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mfspr r10, SPRN_SRR0 /* Get effective address of fault */
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INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11)
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mtspr SPRN_MD_EPN, r10
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#ifdef CONFIG_EXECMEM
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mfcr r11
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compare_to_kernel_boundary r10, r10
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#endif
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mfspr r10, SPRN_M_TWB /* Get level 1 table */
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#ifdef CONFIG_EXECMEM
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blt+ 3f
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rlwinm r10, r10, 0, 20, 31
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oris r10, r10, (swapper_pg_dir - PAGE_OFFSET)@ha
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3:
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mtcr r11
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#endif
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lwz r11, (swapper_pg_dir-PAGE_OFFSET)@l(r10) /* Get level 1 entry */
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mtspr SPRN_MD_TWC, r11
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mfspr r10, SPRN_MD_TWC
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