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Commit dd6a811f authored by Niranjan Reddy Dumbala's avatar Niranjan Reddy Dumbala
Browse files

Merge commit 'c7ddde72852d4f3a2639f4456b8b328fb02655c6' into LA.UM.7.1.r1 



Change-Id: Ia9b966392ab3fdc619842ee1ab58b7a1abeffa85
Signed-off-by: default avatarBlagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: default avatarNiranjan Reddy Dumbala <dnreddy@codeaurora.org>
parents 36f28875 7d4b4b55

Makefile

+1 −1
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0

VERSION = 4

PATCHLEVEL = 14

SUBLEVEL = 82

SUBLEVEL = 83

EXTRAVERSION =

NAME = Petit Gorille

arch/arm/boot/dts/r8a7791.dtsi

+1 −1
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ 


			trips {

				cpu-crit {

					temperature	= <115000>;

					temperature	= <95000>;

					hysteresis	= <0>;

					type		= "critical";

				};

arch/arm/boot/dts/r8a7793.dtsi

+1 −1
Original line number Diff line number Diff line
@@ -88,7 +88,7 @@ 


			trips {

				cpu-crit {

					temperature	= <115000>;

					temperature	= <95000>;

					hysteresis	= <0>;

					type		= "critical";

				};

arch/x86/kernel/cpu/bugs.c

+6 −51
Original line number Diff line number Diff line
@@ -34,10 +34,12 @@ static void __init spectre_v2_select_mitigation(void); 
static void __init ssb_select_mitigation(void);

static void __init l1tf_select_mitigation(void);



/* The base value of the SPEC_CTRL MSR that always has to be preserved. */

u64 x86_spec_ctrl_base;

/*

 * Our boot-time value of the SPEC_CTRL MSR. We read it once so that any

 * writes to SPEC_CTRL contain whatever reserved bits have been set.

 */

u64 __ro_after_init x86_spec_ctrl_base;

EXPORT_SYMBOL_GPL(x86_spec_ctrl_base);

static DEFINE_MUTEX(spec_ctrl_mutex);



/*

 * The vendor and possibly platform specific bits which can be modified in
@@ -321,46 +323,6 @@ static enum spectre_v2_mitigation_cmd __init spectre_v2_parse_cmdline(void) 
	return cmd;

}



static bool stibp_needed(void)

{

	if (spectre_v2_enabled == SPECTRE_V2_NONE)

		return false;



	if (!boot_cpu_has(X86_FEATURE_STIBP))

		return false;



	return true;

}



static void update_stibp_msr(void *info)

{

	wrmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);

}



void arch_smt_update(void)

{

	u64 mask;



	if (!stibp_needed())

		return;



	mutex_lock(&spec_ctrl_mutex);

	mask = x86_spec_ctrl_base;

	if (cpu_smt_control == CPU_SMT_ENABLED)

		mask |= SPEC_CTRL_STIBP;

	else

		mask &= ~SPEC_CTRL_STIBP;



	if (mask != x86_spec_ctrl_base) {

		pr_info("Spectre v2 cross-process SMT mitigation: %s STIBP\n",

				cpu_smt_control == CPU_SMT_ENABLED ?

				"Enabling" : "Disabling");

		x86_spec_ctrl_base = mask;

		on_each_cpu(update_stibp_msr, NULL, 1);

	}

	mutex_unlock(&spec_ctrl_mutex);

}



static void __init spectre_v2_select_mitigation(void)

{

	enum spectre_v2_mitigation_cmd cmd = spectre_v2_parse_cmdline();
@@ -460,9 +422,6 @@ static void __init spectre_v2_select_mitigation(void) 
		setup_force_cpu_cap(X86_FEATURE_USE_IBRS_FW);

		pr_info("Enabling Restricted Speculation for firmware calls\n");

	}



	/* Enable STIBP if appropriate */

	arch_smt_update();

}



#undef pr_fmt
@@ -855,8 +814,6 @@ static ssize_t l1tf_show_state(char *buf) 
static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr,

			       char *buf, unsigned int bug)

{

	int ret;



	if (!boot_cpu_has_bug(bug))

		return sprintf(buf, "Not affected\n");
@@ -871,12 +828,10 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr 
		return sprintf(buf, "Mitigation: __user pointer sanitization\n");



	case X86_BUG_SPECTRE_V2:

		ret = sprintf(buf, "%s%s%s%s%s\n", spectre_v2_strings[spectre_v2_enabled],

		return sprintf(buf, "%s%s%s%s\n", spectre_v2_strings[spectre_v2_enabled],

			       boot_cpu_has(X86_FEATURE_USE_IBPB) ? ", IBPB" : "",

			       boot_cpu_has(X86_FEATURE_USE_IBRS_FW) ? ", IBRS_FW" : "",

			       (x86_spec_ctrl_base & SPEC_CTRL_STIBP) ? ", STIBP" : "",

			       spectre_v2_module_string());

		return ret;



	case X86_BUG_SPEC_STORE_BYPASS:

		return sprintf(buf, "%s\n", ssb_strings[ssb_mode]);

drivers/net/dsa/microchip/ksz_common.c

+5 −5
Original line number Diff line number Diff line
@@ -1104,11 +1104,6 @@ static int ksz_switch_init(struct ksz_device *dev) 
{

	int i;



	mutex_init(&dev->reg_mutex);

	mutex_init(&dev->stats_mutex);

	mutex_init(&dev->alu_mutex);

	mutex_init(&dev->vlan_mutex);



	dev->ds->ops = &ksz_switch_ops;



	for (i = 0; i < ARRAY_SIZE(ksz_switch_chips); i++) {
@@ -1193,6 +1188,11 @@ int ksz_switch_register(struct ksz_device *dev) 
	if (dev->pdata)

		dev->chip_id = dev->pdata->chip_id;



	mutex_init(&dev->reg_mutex);

	mutex_init(&dev->stats_mutex);

	mutex_init(&dev->alu_mutex);

	mutex_init(&dev->vlan_mutex);



	if (ksz_switch_detect(dev))

		return -EINVAL;