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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2024-08-20 19:23:52 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2024-08-30 21:29:53 +1000 |
| commit | 33c527522f394f63cc589a6f7af990b2232444c8 (patch) | |
| tree | b3dcd64ee74276b23dae800b83f01cc3c799e697 /arch/powerpc/kernel | |
| parent | 16a71c045186a11c1c743934e330de78162b86dd (diff) | |
| download | linux-33c527522f394f63cc589a6f7af990b2232444c8.tar.gz linux-33c527522f394f63cc589a6f7af990b2232444c8.tar.bz2 linux-33c527522f394f63cc589a6f7af990b2232444c8.zip | |
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
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 66ee0a31d99d..f9a05648a522 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -199,18 +199,7 @@ instruction_counter: mfspr r10, SPRN_SRR0 /* Get effective address of fault */ INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11) mtspr SPRN_MD_EPN, r10 -#ifdef CONFIG_EXECMEM - mfcr r11 - compare_to_kernel_boundary r10, r10 -#endif mfspr r10, SPRN_M_TWB /* Get level 1 table */ -#ifdef CONFIG_EXECMEM - blt+ 3f - rlwinm r10, r10, 0, 20, 31 - oris r10, r10, (swapper_pg_dir - PAGE_OFFSET)@ha -3: - mtcr r11 -#endif lwz r11, (swapper_pg_dir-PAGE_OFFSET)@l(r10) /* Get level 1 entry */ mtspr SPRN_MD_TWC, r11 mfspr r10, SPRN_MD_TWC |