From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v1 1/3] powerpc/32s: Remove unused counters incremented by create_hpte()
Date: Tue, 24 Nov 2020 19:51:55 +0000 (UTC) [thread overview]
Message-ID: <6470ab99e58c84a5445af43ce4d1d772b0dc3e93.1606247495.git.christophe.leroy@csgroup.eu> (raw)
primary_pteg_full and htab_hash_searches are not used.
Remove them.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/mm/book3s32/hash_low.S | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/arch/powerpc/mm/book3s32/hash_low.S b/arch/powerpc/mm/book3s32/hash_low.S
index 9a56ba4f68f2..f964fd34dad9 100644
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -359,11 +359,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT)
beq+ 10f /* no PTE: go look for an empty slot */
tlbie r4
- lis r4, (htab_hash_searches - PAGE_OFFSET)@ha
- lwz r6, (htab_hash_searches - PAGE_OFFSET)@l(r4)
- addi r6,r6,1 /* count how many searches we do */
- stw r6, (htab_hash_searches - PAGE_OFFSET)@l(r4)
-
/* Search the primary PTEG for a PTE whose 1st (d)word matches r5 */
mtctr r0
addi r4,r3,-HPTE_SIZE
@@ -393,12 +388,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT)
bdnzf 2,1b /* loop while ctr != 0 && !cr0.eq */
beq+ .Lfound_empty
- /* update counter of times that the primary PTEG is full */
- lis r4, (primary_pteg_full - PAGE_OFFSET)@ha
- lwz r6, (primary_pteg_full - PAGE_OFFSET)@l(r4)
- addi r6,r6,1
- stw r6, (primary_pteg_full - PAGE_OFFSET)@l(r4)
-
patch_site 0f, patch__hash_page_C
/* Search the secondary PTEG for an empty slot */
ori r5,r5,PTE_H /* set H (secondary hash) bit */
@@ -491,10 +480,6 @@ _ASM_NOKPROBE_SYMBOL(create_hpte)
.align 2
next_slot:
.space 4
-primary_pteg_full:
- .space 4
-htab_hash_searches:
- .space 4
.previous
/*
--
2.25.0
next reply other threads:[~2020-11-24 19:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-24 19:51 Christophe Leroy [this message]
2020-11-24 19:51 ` [PATCH v1 2/3] powerpc/32s: In add_hash_page(), calculate VSID later Christophe Leroy
2020-11-24 19:51 ` [PATCH v1 3/3] powerpc/32s: Cleanup around PTE_FLAGS_OFFSET in hash_low.S Christophe Leroy
2020-12-15 10:48 ` [PATCH v1 1/3] powerpc/32s: Remove unused counters incremented by create_hpte() Michael Ellerman
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