linux5.10: unbreak page poisoning

also fix ppc dotconfigs

srcpkgs/linux5.10/files/ppc-dotconfig

@@ -1,11 +1,11 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/powerpc 5.10.1 Kernel Configuration
+# Linux/powerpc 5.10.10 Kernel Configuration
 #
-CONFIG_CC_VERSION_TEXT="powerpc-linux-musl-gcc (GCC) 9.3.0"
+CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.1 20201203"
 CONFIG_CC_IS_GCC=y
-CONFIG_GCC_VERSION=90300
-CONFIG_LD_VERSION=232000000
+CONFIG_GCC_VERSION=100201
+CONFIG_LD_VERSION=235010000
 CONFIG_CLANG_VERSION=0
 CONFIG_LLD_VERSION=0
 CONFIG_CC_CAN_LINK=y
@@ -518,6 +518,8 @@ CONFIG_CLONE_BACKWARDS=y
 CONFIG_OLD_SIGSUSPEND=y
 CONFIG_OLD_SIGACTION=y
 CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_HAVE_ARCH_VMAP_STACK=y
+CONFIG_VMAP_STACK=y
 CONFIG_ARCH_HAS_PHYS_TO_DMA=y
 # CONFIG_LOCK_EVENT_COUNTS is not set
 CONFIG_ARCH_WANT_LD_ORPHAN_WARN=y
@@ -3217,7 +3219,6 @@ CONFIG_MOUSE_ELAN_I2C_I2C=y
 CONFIG_MOUSE_ELAN_I2C_SMBUS=y
 CONFIG_MOUSE_VSXXXAA=m
 CONFIG_MOUSE_GPIO=m
-CONFIG_MOUSE_GPIO=m
 CONFIG_MOUSE_SYNAPTICS_I2C=m
 CONFIG_MOUSE_SYNAPTICS_USB=m
 CONFIG_INPUT_JOYSTICK=y
@@ -4166,7 +4167,6 @@ CONFIG_MFD_VIPERBOARD=m
 # CONFIG_MFD_RN5T618 is not set
 # CONFIG_MFD_SEC_CORE is not set
 # CONFIG_MFD_SI476X_CORE is not set
-# CONFIG_MFD_SL28CPLD is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_SKY81452 is not set
 # CONFIG_ABX500_CORE is not set
@@ -5915,7 +5915,6 @@ CONFIG_USB_FTDI_ELAN=m
 CONFIG_USB_APPLEDISPLAY=m
 CONFIG_APPLE_MFI_FASTCHARGE=m
 CONFIG_USB_SISUSBVGA=m
-CONFIG_USB_SISUSBVGA_CON=y
 CONFIG_USB_LD=m
 CONFIG_USB_TRANCEVIBRATOR=m
 CONFIG_USB_IOWARRIOR=m
@@ -8003,6 +8002,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_KPROBE_EVENTS=y
+# CONFIG_KPROBE_EVENTS_ON_NOTRACE is not set
 CONFIG_UPROBE_EVENTS=y
 CONFIG_BPF_EVENTS=y
 CONFIG_DYNAMIC_EVENTS=y

srcpkgs/linux5.10/files/ppc64-dotconfig

@@ -1,11 +1,11 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/powerpc 5.10.1 Kernel Configuration
+# Linux/powerpc 5.10.10 Kernel Configuration
 #
-CONFIG_CC_VERSION_TEXT="powerpc64-linux-musl-gcc (GCC) 9.3.0"
+CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.1 20201203"
 CONFIG_CC_IS_GCC=y
-CONFIG_GCC_VERSION=90300
-CONFIG_LD_VERSION=232000000
+CONFIG_GCC_VERSION=100201
+CONFIG_LD_VERSION=235010000
 CONFIG_CLANG_VERSION=0
 CONFIG_LLD_VERSION=0
 CONFIG_CC_CAN_LINK=y
@@ -4388,7 +4388,6 @@ CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_CDEV=y
 CONFIG_GPIO_CDEV_V1=y
 CONFIG_GPIO_GENERIC=y
-CONFIG_GPIO_REGMAP=m
 CONFIG_GPIO_MAX730X=m
 
 #
@@ -4447,7 +4446,6 @@ CONFIG_GPIO_MAX77620=m
 CONFIG_GPIO_MAX77650=m
 CONFIG_GPIO_PALMAS=y
 CONFIG_GPIO_RC5T583=y
-CONFIG_GPIO_SL28CPLD=m
 CONFIG_GPIO_STMPE=y
 CONFIG_GPIO_TC3589X=y
 CONFIG_GPIO_TPS65086=m
@@ -4741,7 +4739,6 @@ CONFIG_SENSORS_UCD9200=m
 CONFIG_SENSORS_XDPE122=m
 CONFIG_SENSORS_ZL6100=m
 CONFIG_SENSORS_PWM_FAN=m
-CONFIG_SENSORS_SL28CPLD=m
 CONFIG_SENSORS_SHT15=m
 CONFIG_SENSORS_SHT21=m
 CONFIG_SENSORS_SHT3x=m
@@ -4835,7 +4832,6 @@ CONFIG_WM831X_WATCHDOG=m
 # CONFIG_WM8350_WATCHDOG is not set
 CONFIG_XILINX_WATCHDOG=m
 CONFIG_ZIIRAVE_WATCHDOG=m
-CONFIG_SL28CPLD_WATCHDOG=m
 CONFIG_CADENCE_WATCHDOG=m
 CONFIG_DW_WATCHDOG=m
 CONFIG_RN5T618_WATCHDOG=m
@@ -4962,8 +4958,6 @@ CONFIG_MFD_RK808=m
 CONFIG_MFD_RN5T618=m
 # CONFIG_MFD_SEC_CORE is not set
 CONFIG_MFD_SI476X_CORE=m
-CONFIG_MFD_SIMPLE_MFD_I2C=m
-CONFIG_MFD_SL28CPLD=m
 CONFIG_MFD_SM501=m
 CONFIG_MFD_SM501_GPIO=y
 CONFIG_MFD_SKY81452=m
@@ -7148,7 +7142,6 @@ CONFIG_USB_FTDI_ELAN=m
 CONFIG_USB_APPLEDISPLAY=m
 CONFIG_APPLE_MFI_FASTCHARGE=m
 CONFIG_USB_SISUSBVGA=m
-CONFIG_USB_SISUSBVGA_CON=y
 CONFIG_USB_LD=m
 CONFIG_USB_TRANCEVIBRATOR=m
 CONFIG_USB_IOWARRIOR=m
@@ -8774,7 +8767,6 @@ CONFIG_PWM_FSL_FTM=m
 CONFIG_PWM_IQS620A=m
 CONFIG_PWM_LP3943=m
 CONFIG_PWM_PCA9685=m
-CONFIG_PWM_SL28CPLD=m
 CONFIG_PWM_STMPE=y
 # CONFIG_PWM_TWL is not set
 # CONFIG_PWM_TWL_LED is not set
@@ -9688,7 +9680,6 @@ CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_ARCH_DMA_ADDR_T_64BIT=y
 CONFIG_DMA_DECLARE_COHERENT=y
 CONFIG_ARCH_HAS_FORCE_DMA_UNENCRYPTED=y
-CONFIG_DMA_VIRT_OPS=y
 CONFIG_SWIOTLB=y
 # CONFIG_DMA_API_DEBUG is not set
 CONFIG_SGL_ALLOC=y
@@ -9936,6 +9927,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_KPROBE_EVENTS=y
+# CONFIG_KPROBE_EVENTS_ON_NOTRACE is not set
 CONFIG_UPROBE_EVENTS=y
 CONFIG_BPF_EVENTS=y
 CONFIG_DYNAMIC_EVENTS=y

srcpkgs/linux5.10/patches/page-poison-fix.patch

@@ -0,0 +1,58 @@
+This breaks page poisoning on some architectures. The commit is not
+very useful by itself, so revert it until a real fix is upstream.
+
+From 0cbb20875a8607653f02d799fd4b75a34d1b6636 Mon Sep 17 00:00:00 2001
+From: q66 <daniel@octaforge.org>
+Date: Mon, 25 Jan 2021 02:59:47 +0100
+Subject: [PATCH] Revert "mm/page_poison.c: replace bool variable with static
+ key"
+
+This reverts commit 11c9c7edae06da789abfdeefe5123162a3f1c7dc.
+---
+ mm/page_poison.c | 20 +++++---------------
+ 1 file changed, 5 insertions(+), 15 deletions(-)
+
+diff --git a/mm/page_poison.c b/mm/page_poison.c
+index ae0482c..34b9181 100644
+--- a/mm/page_poison.c
++++ b/mm/page_poison.c
+@@ -8,23 +8,13 @@
+ #include <linux/ratelimit.h>
+ #include <linux/kasan.h>
+ 
+-static DEFINE_STATIC_KEY_FALSE_RO(want_page_poisoning);
++static bool want_page_poisoning __read_mostly;
+ 
+ static int __init early_page_poison_param(char *buf)
+ {
+-	int ret;
+-	bool tmp;
+-
+-	ret = strtobool(buf, &tmp);
+-	if (ret)
+-		return ret;
+-
+-	if (tmp)
+-		static_branch_enable(&want_page_poisoning);
+-	else
+-		static_branch_disable(&want_page_poisoning);
+-
+-	return 0;
++	if (!buf)
++		return -EINVAL;
++	return strtobool(buf, &want_page_poisoning);
+ }
+ early_param("page_poison", early_page_poison_param);
+ 
+@@ -41,7 +31,7 @@ bool page_poisoning_enabled(void)
+ 	 * Page poisoning is debug page alloc for some arches. If
+ 	 * either of those options are enabled, enable poisoning.
+ 	 */
+-	return (static_branch_unlikely(&want_page_poisoning) ||
++	return (want_page_poisoning ||
+ 		(!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
+ 		debug_pagealloc_enabled()));
+ }
+-- 
+2.30.0
+