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author | Ingo Molnar <mingo@kernel.org> | 2020-07-28 13:18:01 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2020-07-28 13:18:01 +0200 |
commit | e89d4ca1df630378bde3e36c42001b755b0044fe (patch) | |
tree | d953ccecb8365acab65d0075e674f7e9a9bd9880 /arch/mips/kernel/traps.c | |
parent | x86/perf: Fix a typo (diff) | |
parent | Linux 5.8-rc7 (diff) | |
download | linux-e89d4ca1df630378bde3e36c42001b755b0044fe.tar.xz linux-e89d4ca1df630378bde3e36c42001b755b0044fe.zip |
Merge tag 'v5.8-rc7' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r-- | arch/mips/kernel/traps.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 7c32c956156a..f655af68176c 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -723,12 +723,14 @@ static int simulate_loongson3_cpucfg(struct pt_regs *regs, perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0); /* Do not emulate on unsupported core models. */ - if (!loongson3_cpucfg_emulation_enabled(¤t_cpu_data)) + preempt_disable(); + if (!loongson3_cpucfg_emulation_enabled(¤t_cpu_data)) { + preempt_enable(); return -1; - + } regs->regs[rd] = loongson3_cpucfg_read_synthesized( ¤t_cpu_data, sel); - + preempt_enable(); return 0; } @@ -2169,6 +2171,7 @@ static void configure_status(void) change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX, status_set); + back_to_back_c0_hazard(); } unsigned int hwrena; |