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powerpc/8xx: Remove now unused TLB miss functions

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The code to setup linear and IMMR mapping via huge TLB entries is
not called anymore. Remove it.

Also remove the handling of removed code exits in the perf driver.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/75750d25849cb8e73ca519866bb892d7eb9649c0.1589866984.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy
2020-05-19 05:49:17 +00:00
committed by Michael Ellerman
parent 400dc0f861
commit 1251288e64
3 changed files with 1 additions and 100 deletions
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10
arch/powerpc/perf/8xx-pmu.c
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@@ -100,9 +100,6 @@ static int mpc8xx_pmu_add(struct perf_event *event, int flags)
unsigned long target = patch_site_addr(&patch__itlbmiss_perf);
patch_branch_site(&patch__itlbmiss_exit_1, target, 0);
#ifndef CONFIG_PIN_TLB_TEXT
patch_branch_site(&patch__itlbmiss_exit_2, target, 0);
#endif
}
val = itlb_miss_counter;
break;
@@ -111,8 +108,6 @@ static int mpc8xx_pmu_add(struct perf_event *event, int flags)
unsigned long target = patch_site_addr(&patch__dtlbmiss_perf);
patch_branch_site(&patch__dtlbmiss_exit_1, target, 0);
patch_branch_site(&patch__dtlbmiss_exit_2, target, 0);
patch_branch_site(&patch__dtlbmiss_exit_3, target, 0);
}
val = dtlb_miss_counter;
break;
@@ -175,9 +170,6 @@ static void mpc8xx_pmu_del(struct perf_event *event, int flags)
__PPC_SPR(SPRN_SPRG_SCRATCH0));
patch_instruction_site(&patch__itlbmiss_exit_1, insn);
#ifndef CONFIG_PIN_TLB_TEXT
patch_instruction_site(&patch__itlbmiss_exit_2, insn);
#endif
}
break;
case PERF_8xx_ID_DTLB_LOAD_MISS:
@@ -187,8 +179,6 @@ static void mpc8xx_pmu_del(struct perf_event *event, int flags)
__PPC_SPR(SPRN_DAR));
patch_instruction_site(&patch__dtlbmiss_exit_1, insn);
patch_instruction_site(&patch__dtlbmiss_exit_2, insn);
patch_instruction_site(&patch__dtlbmiss_exit_3, insn);
}
break;
}