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| author | Peter Zijlstra <peterz@infradead.org> | 2022-05-11 16:27:06 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-05-11 16:27:06 +0200 |
| commit | 47319846a9e2ab1c4d22108e891818d003615bd8 (patch) | |
| tree | 919dbed5c01d3ad4db009bd38bb12cfd3d038246 /drivers/acpi/processor_idle.c | |
| parent | perf/amd/ibs: Use interrupt regs ip for stack unwinding (diff) | |
| parent | Linux 5.18-rc5 (diff) | |
| download | linux-47319846a9e2ab1c4d22108e891818d003615bd8.tar.xz linux-47319846a9e2ab1c4d22108e891818d003615bd8.zip | |
Merge branch 'v5.18-rc5'
Obtain the new INTEL_FAM6 stuff required.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 05dc0e148f02..e9c84d0ac55b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -97,11 +97,6 @@ static const struct dmi_system_id processor_power_dmi_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")}, (void *)1}, - /* T40 can not handle C3 idle state */ - { set_max_cstate, "IBM ThinkPad T40", { - DMI_MATCH(DMI_SYS_VENDOR, "IBM"), - DMI_MATCH(DMI_PRODUCT_NAME, "23737CU")}, - (void *)2}, {}, }; @@ -575,8 +570,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index) { struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu); - if (cx->type == ACPI_STATE_C3) - ACPI_FLUSH_CPU_CACHE(); + ACPI_FLUSH_CPU_CACHE(); while (1) { @@ -801,7 +795,8 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2 || cx->type == ACPI_STATE_C3) { state->enter_dead = acpi_idle_play_dead; - drv->safe_state_index = count; + if (cx->type != ACPI_STATE_C3) + drv->safe_state_index = count; } /* * Halt-induced C1 is not good for ->enter_s2idle, because it |