linux 3.4-rc1
This commit is contained in:
Justin M. Forbes
parent
5e9e2f5b16
commit
d8c9baa910
@ -1,58 +0,0 @@
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commit 64b3db22c04586997ab4be46dd5a5b99f8a2d390 (2.6.39),
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"Remove use of unreliable FADT revision field" causes regression
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for old P4 systems because now cst_control and other fields are
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not reset to 0.
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The effect is that acpi_processor_power_init will notice
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cst_control != 0 and a write to CST_CNT register is performed
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that should not happen. As result, the system oopses after the
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"No _CST, giving up" message, sometimes in acpi_ns_internalize_name,
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sometimes in acpi_ns_get_type, usually at random places. May be
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during migration to CPU 1 in acpi_processor_get_throttling.
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Every one of these settings help to avoid this problem:
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- acpi=off
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- processor.nocst=1
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- maxcpus=1
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The fix is to update acpi_gbl_FADT.header.length after
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the original value is used to check for old revisions.
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Signed-off-by: Julian Anastasov <ja@ssi.bg>
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---
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drivers/acpi/acpica/tbfadt.c | 8 ++++----
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1 files changed, 4 insertions(+), 4 deletions(-)
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diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
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index c5d8704..4c9c760 100644
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--- a/drivers/acpi/acpica/tbfadt.c
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+++ b/drivers/acpi/acpica/tbfadt.c
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@@ -363,10 +363,6 @@ static void acpi_tb_convert_fadt(void)
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u32 address32;
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u32 i;
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- /* Update the local FADT table header length */
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-
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- acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
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-
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/*
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* Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
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* Later code will always use the X 64-bit field. Also, check for an
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@@ -408,6 +404,10 @@ static void acpi_tb_convert_fadt(void)
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acpi_gbl_FADT.boot_flags = 0;
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}
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+ /* Update the local FADT table header length */
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+
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+ acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
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+
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/*
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* Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
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* generic address structures as necessary. Later code will always use
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--
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1.7.3.4
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--
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To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
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the body of a message to majordomo@vger.kernel.org
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More majordomo info at http://vger.kernel.org/majordomo-info.html
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@ -1,146 +0,0 @@
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From 9a056a5843ff83db987d6e18625f4a2ee64b5450 Mon Sep 17 00:00:00 2001
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From: Matthew Garrett <mjg@redhat.com>
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Date: Tue, 30 Aug 2011 10:07:24 -0400
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Subject: [PATCH] ACPI: Ensure thermal limits match CPU frequencies
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The ACPI thermal management code supports slowing down a CPU when it's
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overheating. Right now that's done by choosing to run it at 100%, 75%, 50%
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or 25% of full speed. However, most CPUs do not allow an arbitrary
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frequency to be set and so will run at the first frequency below that value.
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This doesn't match the intent of the specification, which is to drop the
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frequency state by state until the temperature stabalises. Fix this up
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so it uses actual frequencies rather than percentages.
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Reported by: Gene Snider <snider6982@comcast.net>
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Signed-off-by: Matthew Garrett <mjg@redhat.com>
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---
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drivers/acpi/Kconfig | 1 +
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drivers/acpi/processor_thermal.c | 45 +++++++++++++++++++++----------------
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2 files changed, 26 insertions(+), 20 deletions(-)
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diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
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index de0e3df..7d1bdb5 100644
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--- a/drivers/acpi/Kconfig
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+++ b/drivers/acpi/Kconfig
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@@ -185,6 +185,7 @@ config ACPI_PROCESSOR
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tristate "Processor"
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select THERMAL
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select CPU_IDLE
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+ select CPU_FREQ_TABLE
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default y
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help
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This driver installs ACPI as the idle handler for Linux and uses
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diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
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index 870550d..1c4eb60 100644
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--- a/drivers/acpi/processor_thermal.c
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+++ b/drivers/acpi/processor_thermal.c
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@@ -52,10 +52,8 @@ ACPI_MODULE_NAME("processor_thermal");
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* _any_ cpufreq driver and not only the acpi-cpufreq driver.
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*/
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-#define CPUFREQ_THERMAL_MIN_STEP 0
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-#define CPUFREQ_THERMAL_MAX_STEP 3
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-static DEFINE_PER_CPU(unsigned int, cpufreq_thermal_reduction_pctg);
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+static DEFINE_PER_CPU(unsigned int, cpufreq_thermal_limit_state);
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static unsigned int acpi_thermal_cpufreq_is_init = 0;
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static int cpu_has_cpufreq(unsigned int cpu)
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@@ -70,19 +68,19 @@ static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb,
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unsigned long event, void *data)
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{
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struct cpufreq_policy *policy = data;
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- unsigned long max_freq = 0;
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+ int state = per_cpu(cpufreq_thermal_limit_state, policy->cpu);
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+ struct cpufreq_frequency_table *table;
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if (event != CPUFREQ_ADJUST)
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- goto out;
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+ return 0;
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+
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+ table = cpufreq_frequency_get_table(policy->cpu);
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- max_freq = (
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- policy->cpuinfo.max_freq *
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- (100 - per_cpu(cpufreq_thermal_reduction_pctg, policy->cpu) * 20)
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- ) / 100;
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+ if (!table)
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+ return 0;
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- cpufreq_verify_within_limits(policy, 0, max_freq);
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+ cpufreq_verify_within_limits(policy, 0, table[state].frequency);
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- out:
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return 0;
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}
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@@ -92,10 +90,21 @@ static struct notifier_block acpi_thermal_cpufreq_notifier_block = {
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static int cpufreq_get_max_state(unsigned int cpu)
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{
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+ int count = 0;
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+ struct cpufreq_frequency_table *table;
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+
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if (!cpu_has_cpufreq(cpu))
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return 0;
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- return CPUFREQ_THERMAL_MAX_STEP;
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+ table = cpufreq_frequency_get_table(cpu);
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+
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+ if (!table)
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+ return 0;
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+
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+ while (table[count].frequency != CPUFREQ_TABLE_END)
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+ count++;
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+
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+ return count;
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}
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static int cpufreq_get_cur_state(unsigned int cpu)
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@@ -103,7 +112,7 @@ static int cpufreq_get_cur_state(unsigned int cpu)
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if (!cpu_has_cpufreq(cpu))
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return 0;
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- return per_cpu(cpufreq_thermal_reduction_pctg, cpu);
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+ return per_cpu(cpufreq_thermal_limit_state, cpu);
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}
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static int cpufreq_set_cur_state(unsigned int cpu, int state)
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@@ -111,7 +120,7 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state)
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if (!cpu_has_cpufreq(cpu))
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return 0;
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- per_cpu(cpufreq_thermal_reduction_pctg, cpu) = state;
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+ per_cpu(cpufreq_thermal_limit_state, cpu) = state;
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cpufreq_update_policy(cpu);
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return 0;
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}
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@@ -122,7 +131,7 @@ void acpi_thermal_cpufreq_init(void)
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for (i = 0; i < nr_cpu_ids; i++)
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if (cpu_present(i))
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- per_cpu(cpufreq_thermal_reduction_pctg, i) = 0;
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+ per_cpu(cpufreq_thermal_limit_state, i) = 0;
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i = cpufreq_register_notifier(&acpi_thermal_cpufreq_notifier_block,
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CPUFREQ_POLICY_NOTIFIER);
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@@ -170,15 +179,11 @@ int acpi_processor_get_limit_info(struct acpi_processor *pr)
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return 0;
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}
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-/* thermal coolign device callbacks */
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+/* thermal cooling device callbacks */
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static int acpi_processor_max_state(struct acpi_processor *pr)
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{
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int max_state = 0;
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- /*
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- * There exists four states according to
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- * cpufreq_thermal_reduction_ptg. 0, 1, 2, 3
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- */
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max_state += cpufreq_get_max_state(pr->id);
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if (pr->flags.throttling)
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max_state += (pr->throttling.state_count -1);
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--
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1.7.6
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@ -39,7 +39,7 @@ CONFIG_TASK_DELAY_ACCT=y
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CONFIG_TASK_XACCT=y
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CONFIG_TASK_IO_ACCOUNTING=y
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CONFIG_SYSCTL=y
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CONFIG_LOG_BUF_SHIFT=17
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CONFIG_LOG_BUF_SHIFT=18
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# CONFIG_IKCONFIG is not set
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# CONFIG_EMBEDDED is not set
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# CONFIG_EXPERT is not set
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20
kernel.spec
20
kernel.spec
@ -62,7 +62,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
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%global baserelease 2
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%global baserelease 1
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%global fedora_build %{baserelease}
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# base_sublevel is the kernel version we're starting with and patching
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@ -93,9 +93,9 @@ Summary: The Linux kernel
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# The next upstream release sublevel (base_sublevel+1)
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%define upstream_sublevel %(echo $((%{base_sublevel} + 1)))
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# The rc snapshot level
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%define rcrev 0
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%define rcrev 1
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# The git snapshot level
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%define gitrev 4
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%define gitrev 0
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# Set rpm version accordingly
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%define rpmversion 3.%{upstream_sublevel}.0
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%endif
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@ -657,7 +657,6 @@ Patch162: nx-emu-remove-cpuinitdata-for-disable_nx-on-x86_32.patch
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Patch390: linux-2.6-defaults-acpi-video.patch
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Patch391: linux-2.6-acpi-video-dos.patch
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Patch394: linux-2.6-acpi-debug-infinite-loop.patch
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Patch395: acpi-ensure-thermal-limits-match-cpu-freq.patch
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Patch396: acpi-sony-nonvs-blacklist.patch
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Patch450: linux-2.6-input-kill-stupid-messages.patch
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@ -733,9 +732,6 @@ Patch21235: scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
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Patch21260: x86-Avoid-invoking-RCU-when-CPU-is-idle.patch
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#rhbz 727865 730007
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Patch21300: ACPICA-Fix-regression-in-FADT-revision-checks.patch
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#rhbz 804007
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Patch21305: mac80211-fix-possible-tid_rx-reorder_timer-use-after-free.patch
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@ -1331,7 +1327,6 @@ ApplyPatch arm-tegra-nvec-kconfig.patch
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ApplyPatch linux-2.6-defaults-acpi-video.patch
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ApplyPatch linux-2.6-acpi-video-dos.patch
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ApplyPatch linux-2.6-acpi-debug-infinite-loop.patch
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ApplyPatch acpi-ensure-thermal-limits-match-cpu-freq.patch
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ApplyPatch acpi-sony-nonvs-blacklist.patch
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#
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@ -1422,9 +1417,6 @@ ApplyPatch power-x86-destdir.patch
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#rhbz 754518
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ApplyPatch scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
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#rhbz 727865 730007
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ApplyPatch ACPICA-Fix-regression-in-FADT-revision-checks.patch
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#rhbz 804007
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ApplyPatch mac80211-fix-possible-tid_rx-reorder_timer-use-after-free.patch
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@ -2291,6 +2283,12 @@ fi
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# ||----w |
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# || ||
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%changelog
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* Mon Apr 02 2012 Justin M. Forbes <jforbes@redhat.com> - 3.4.0-0.rc1
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- Linux v3.4-rc1
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* Fri Mar 30 2012 Justin M. Forbes <jforbes@redhat.com> - 3.4.0-0.rc0.git5.1
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- Linux v3.3-9295-gf52b69f
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* Thu Mar 29 2012 Justin M. Forbes <jforbes@redhat.com> - 3.4.0-0.rc0.git4.1
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- Linux v3.3-8839-gb5174fa
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@ -1,5 +1,5 @@
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--- linux-2.6.34.noarch/drivers/acpi/acpica/acconfig.h~ 2010-07-01 14:49:03.000000000 -0400
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+++ linux-2.6.34.noarch/drivers/acpi/acpica/acconfig.h 2010-07-01 14:49:17.000000000 -0400
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--- linux-2.6.34.noarch/include/acpi/acconfig.h~ 2010-07-01 14:49:03.000000000 -0400
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+++ linux-2.6.34.noarch/include/acpi/acconfig.h 2010-07-01 14:49:17.000000000 -0400
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@@ -117,7 +117,7 @@
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/* Maximum number of While() loop iterations before forced abort */
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@ -4,42 +4,3 @@
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# Please add the errors from gcc before the diffs to save others having
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# to do a compile to figure out what your diff is fixing. Thanks.
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#
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# ../../lib/rbtree.c:24:26: fatal error: linux/export.h: No such file or directory
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diff --git a/tools/perf/Makefile b/tools/perf/Makefile
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index b492e3a..2f42886 100644
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--- a/tools/perf/Makefile
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+++ b/tools/perf/Makefile
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@@ -251,7 +251,7 @@ LIB_H += util/include/linux/const.h
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LIB_H += util/include/linux/ctype.h
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LIB_H += util/include/linux/kernel.h
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LIB_H += util/include/linux/list.h
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-LIB_H += util/include/linux/module.h
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+LIB_H += util/include/linux/export.h
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LIB_H += util/include/linux/poison.h
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LIB_H += util/include/linux/prefetch.h
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LIB_H += util/include/linux/rbtree.h
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diff --git a/tools/perf/util/include/linux/export.h b/tools/perf/util/include/linux/export.h
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new file mode 100644
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index 0000000..b43e2dc
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--- /dev/null
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+++ b/tools/perf/util/include/linux/export.h
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@@ -0,0 +1,6 @@
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+#ifndef PERF_LINUX_MODULE_H
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+#define PERF_LINUX_MODULE_H
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+
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+#define EXPORT_SYMBOL(name)
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+
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+#endif
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diff --git a/tools/perf/util/include/linux/module.h b/tools/perf/util/include/linux/module.h
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deleted file mode 100644
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index b43e2dc..0000000
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--- a/tools/perf/util/include/linux/module.h
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+++ /dev/null
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@@ -1,6 +0,0 @@
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-#ifndef PERF_LINUX_MODULE_H
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-#define PERF_LINUX_MODULE_H
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-
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-#define EXPORT_SYMBOL(name)
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-
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-#endif
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--
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@ -333,9 +333,9 @@ index 4d42300..4cb14a1 100644
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+#endif /*CONFIG_X86_32*/
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+
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tsk->thread.error_code = error_code;
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tsk->thread.trap_no = 13;
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tsk->thread.trap_nr = X86_TRAP_GP;
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@@ -650,19 +745,37 @@ do_device_not_available(struct pt_regs *regs, long error_code)
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@@ -650,20 +745,37 @@ do_device_not_available(struct pt_regs *regs, long error_code)
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}
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#ifdef CONFIG_X86_32
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@ -362,10 +362,11 @@ index 4d42300..4cb14a1 100644
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- info.si_errno = 0;
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- info.si_code = ILL_BADSTK;
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- info.si_addr = NULL;
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- if (notify_die(DIE_TRAP, "iret exception",
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- regs, error_code, 32, SIGILL) == NOTIFY_STOP)
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- if (notify_die(DIE_TRAP, "iret exception", regs, error_code,
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- X86_TRAP_IRET, SIGILL) == NOTIFY_STOP)
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- return;
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- do_trap(32, SIGILL, "iret exception", regs, error_code, &info);
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- do_trap(X86_TRAP_IRET, SIGILL, "iret exception", regs, error_code,
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- &info);
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+ cpu = get_cpu();
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+ ok = check_lazy_exec_limit(cpu, regs, error_code);
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+ put_cpu();
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