This is the 4.9.233 stable release

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Merge 4.9.233 into android-4.9-q

Changes in 4.9.233
	xfs: catch inode allocation state mismatch corruption
	xfs: validate cached inodes are free when allocated
	xfs: don't call xfs_da_shrink_inode with NULL bp
	net: phy: mdio-bcm-unimac: fix potential NULL dereference in unimac_mdio_probe()
	crypto: ccp - Release all allocated memory if sha type is invalid
	media: rc: prevent memory leak in cx23888_ir_probe
	ath9k_htc: release allocated buffer if timed out
	ath9k: release allocated buffer if timed out
	PCI/ASPM: Disable ASPM on ASMedia ASM1083/1085 PCIe-to-PCI bridge
	ARM: 8986/1: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
	drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl()
	drm: hold gem reference until object is no longer accessed
	f2fs: check memory boundary by insane namelen
	f2fs: check if file namelen exceeds max value
	9p/trans_fd: abort p9_read_work if req status changed
	9p/trans_fd: Fix concurrency del of req_list in p9_fd_cancelled/p9_read_work
	x86/build/lto: Fix truncated .bss with -fdata-sections
	x86, vmlinux.lds: Page-align end of ..page_aligned sections
	fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.
	rds: Prevent kernel-infoleak in rds_notify_queue_get()
	xfs: fix missed wakeup on l_flush_wait
	uapi: includes linux/types.h before exporting files
	install several missing uapi headers
	net/x25: Fix x25_neigh refcnt leak when x25 disconnect
	net/x25: Fix null-ptr-deref in x25_disconnect
	sh: Fix validation of system call number
	net: lan78xx: add missing endpoint sanity check
	net: lan78xx: fix transfer-buffer memory leak
	mlx4: disable device on shutdown
	mlxsw: core: Increase scope of RCU read-side critical section
	mlxsw: core: Free EMAD transactions using kfree_rcu()
	ibmvnic: Fix IRQ mapping disposal in error path
	mac80211: mesh: Free ie data when leaving mesh
	mac80211: mesh: Free pending skb when destroying a mpath
	arm64: csum: Fix handling of bad packets
	usb: hso: Fix debug compile warning on sparc32
	qed: Disable "MFW indication via attention" SPAM every 5 minutes
	nfc: s3fwrn5: add missing release on skb in s3fwrn5_recv_frame
	parisc: add support for cmpxchg on u8 pointers
	net: ethernet: ravb: exit if re-initialization fails in tx timeout
	Revert "i2c: cadence: Fix the hold bit setting"
	xen-netfront: fix potential deadlock in xennet_remove()
	KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
	x86/i8259: Use printk_deferred() to prevent deadlock
	random32: update the net random state on interrupt and activity
	ARM: percpu.h: fix build error
	random: fix circular include dependency on arm64 after addition of percpu.h
	random32: remove net_rand_state from the latent entropy gcc plugin
	random32: move the pseudo-random 32-bit definitions to prandom.h
	ext4: fix direct I/O read error
	USB: serial: qcserial: add EM7305 QDL product ID
	net/mlx5e: Don't support phys switch id if not in switchdev mode
	ALSA: seq: oss: Serialize ioctls
	Bluetooth: Fix slab-out-of-bounds read in hci_extended_inquiry_result_evt()
	Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_evt()
	Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_with_rssi_evt()
	omapfb: dss: Fix max fclk divider for omap36xx
	vgacon: Fix for missing check in scrollback handling
	mtd: properly check all write ioctls for permissions
	leds: wm831x-status: fix use-after-free on unbind
	leds: da903x: fix use-after-free on unbind
	leds: lm3533: fix use-after-free on unbind
	leds: 88pm860x: fix use-after-free on unbind
	net/9p: validate fds in p9_fd_open
	drm/nouveau/fbcon: fix module unload when fbcon init has failed for some reason
	cfg80211: check vendor command doit pointer before use
	igb: reinit_locked() should be called with rtnl_lock
	atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
	tools lib traceevent: Fix memory leak in process_dynamic_array_len
	xattr: break delegations in {set,remove}xattr
	binder: Prevent context manager from incrementing ref 0
	ipv4: Silence suspicious RCU usage warning
	ipv6: fix memory leaks on IPV6_ADDRFORM path
	vxlan: Ensure FDB dump is performed under RCU
	net: lan78xx: replace bogus endpoint lookup
	Revert "vxlan: fix tos value before xmit"
	usb: hso: check for return value in hso_serial_common_create()
	Smack: fix use-after-free in smk_write_relabel_self()
	tracepoint: Mark __tracepoint_string's __used
	gpio: fix oops resulting from calling of_get_named_gpio(NULL, ...)
	cgroup: add missing skcd->no_refcnt check in cgroup_sk_clone()
	EDAC: Fix reference count leaks
	arm64: dts: qcom: msm8916: Replace invalid bias-pull-none property
	arm64: dts: exynos: Fix silent hang after boot on Espresso
	m68k: mac: Don't send IOP message until channel is idle
	m68k: mac: Fix IOP status/control register writes
	platform/x86: intel-hid: Fix return value check in check_acpi_dev()
	platform/x86: intel-vbtn: Fix return value check in check_acpi_dev()
	ARM: at91: pm: add missing put_device() call in at91_pm_sram_init()
	ARM: socfpga: PM: add missing put_device() call in socfpga_setup_ocram_self_refresh()
	drm/tilcdc: fix leak & null ref in panel_connector_get_modes
	Bluetooth: add a mutex lock to avoid UAF in do_enale_set
	fs/btrfs: Add cond_resched() for try_release_extent_mapping() stalls
	drm/radeon: Fix reference count leaks caused by pm_runtime_get_sync
	video: fbdev: neofb: fix memory leak in neo_scan_monitor()
	md-cluster: fix wild pointer of unlock_all_bitmaps()
	drm/nouveau: fix multiple instances of reference count leaks
	drm/debugfs: fix plain echo to connector "force" attribute
	mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls
	brcmfmac: To fix Bss Info flag definition Bug
	iwlegacy: Check the return value of pcie_capability_read_*()
	usb: gadget: net2280: fix memory leak on probe error handling paths
	bdc: Fix bug causing crash after multiple disconnects
	dyndbg: fix a BUG_ON in ddebug_describe_flags
	bcache: fix super block seq numbers comparision in register_cache_set()
	ACPICA: Do not increment operation_region reference counts for field units
	agp/intel: Fix a memory leak on module initialisation failure
	video: fbdev: sm712fb: fix an issue about iounmap for a wrong address
	console: newport_con: fix an issue about leak related system resources
	video: pxafb: Fix the function used to balance a 'dma_alloc_coherent()' call
	iio: improve IIO_CONCENTRATION channel type description
	leds: lm355x: avoid enum conversion warning
	media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init_entities()
	scsi: cumana_2: Fix different dev_id between request_irq() and free_irq()
	drm/mipi: use dcs write for mipi_dsi_dcs_set_tear_scanline
	cxl: Fix kobject memleak
	drm/radeon: fix array out-of-bounds read and write issues
	scsi: powertec: Fix different dev_id between request_irq() and free_irq()
	scsi: eesox: Fix different dev_id between request_irq() and free_irq()
	media: firewire: Using uninitialized values in node_probe()
	media: exynos4-is: Add missed check for pinctrl_lookup_state()
	xfs: fix reflink quota reservation accounting error
	PCI: Fix pci_cfg_wait queue locking problem
	leds: core: Flush scheduled work for system suspend
	drm: panel: simple: Fix bpc for LG LB070WV8 panel
	scsi: scsi_debug: Add check for sdebug_max_queue during module init
	mwifiex: Prevent memory corruption handling keys
	powerpc/vdso: Fix vdso cpu truncation
	staging: rtl8192u: fix a dubious looking mask before a shift
	PCI/ASPM: Add missing newline in sysfs 'policy'
	drm/imx: tve: fix regulator_disable error path
	USB: serial: iuu_phoenix: fix led-activity helpers
	usb: dwc2: Fix error path in gadget registration
	scsi: mesh: Fix panic after host or bus reset
	Smack: fix another vsscanf out of bounds
	Smack: prevent underflow in smk_set_cipso()
	power: supply: check if calc_soc succeeded in pm860x_init_battery
	selftests/powerpc: Fix CPU affinity for child process
	selftests/powerpc: Fix online CPU selection
	s390/qeth: don't process empty bridge port events
	wl1251: fix always return 0 error
	net: spider_net: Fix the size used in a 'dma_free_coherent()' call
	fsl/fman: use 32-bit unsigned integer
	fsl/fman: fix dereference null return value
	fsl/fman: fix unreachable code
	fsl/fman: check dereferencing null pointer
	fsl/fman: fix eth hash table allocation
	dlm: Fix kobject memleak
	pinctrl-single: fix pcs_parse_pinconf() return value
	drivers/net/wan/lapbether: Added needed_headroom and a skb->len check
	net/nfc/rawsock.c: add CAP_NET_RAW check.
	net: Set fput_needed iff FDPUT_FPUT is set
	USB: serial: cp210x: re-enable auto-RTS on open
	USB: serial: cp210x: enable usb generic throttle/unthrottle
	ALSA: usb-audio: Creative USB X-Fi Pro SB1095 volume knob support
	ALSA: usb-audio: fix overeager device match for MacroSilicon MS2109
	ALSA: usb-audio: add quirk for Pioneer DDJ-RB
	crypto: qat - fix double free in qat_uclo_create_batch_init_list
	crypto: ccp - Fix use of merged scatterlists
	fs/minix: check return value of sb_getblk()
	fs/minix: don't allow getting deleted inodes
	fs/minix: reject too-large maximum file size
	ALSA: usb-audio: work around streaming quirk for MacroSilicon MS2109
	9p: Fix memory leak in v9fs_mount
	parisc: mask out enable and reserved bits from sba imask
	ARM: 8992/1: Fix unwind_frame for clang-built kernels
	xen/balloon: fix accounting in alloc_xenballooned_pages error path
	xen/balloon: make the balloon wait interruptible
	smb3: warn on confusing error scenario with sec=krb5
	PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context()
	btrfs: don't allocate anonymous block device for user invisible roots
	btrfs: only search for left_info if there is no right_info in try_merge_free_space
	btrfs: fix memory leaks after failure to lookup checksums during inode logging
	iio: dac: ad5592r: fix unbalanced mutex unlocks in ad5592r_read_raw()
	xtensa: fix xtensa_pmu_setup prototype
	powerpc: Fix circular dependency between percpu.h and mmu.h
	net: ethernet: stmmac: Disable hardware multicast filter
	net: stmmac: dwmac1000: provide multicast filter fallback
	net/compat: Add missing sock updates for SCM_RIGHTS
	md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
	bcache: allocate meta data pages as compound pages
	mac80211: fix misplaced while instead of if
	MIPS: CPU#0 is not hotpluggable
	ext2: fix missing percpu_counter_inc
	ocfs2: change slot number type s16 to u16
	ftrace: Setup correct FTRACE_FL_REGS flags for module
	kprobes: Fix NULL pointer dereference at kprobe_ftrace_handler
	watchdog: f71808e_wdt: indicate WDIOF_CARDRESET support in watchdog_info.options
	watchdog: f71808e_wdt: remove use of wrong watchdog_info option
	watchdog: f71808e_wdt: clear watchdog timeout occurred flag
	pseries: Fix 64 bit logical memory block panic
	mfd: arizona: Ensure 32k clock is put on driver unbind and error
	USB: serial: ftdi_sio: make process-packet buffer unsigned
	USB: serial: ftdi_sio: clean up receive processing
	gpu: ipu-v3: image-convert: Combine rotate/no-rotate irq handlers
	iommu/omap: Check for failure of a call to omap_iommu_dump_ctx
	iommu/vt-d: Enforce PASID devTLB field mask
	i2c: rcar: slave: only send STOP event when we have been addressed
	clk: clk-atlas6: fix return value check in atlas6_clk_init()
	pwm: bcm-iproc: handle clk_get_rate() return
	Input: sentelic - fix error return when fsp_reg_write fails
	drm/vmwgfx: Fix two list_for_each loop exit tests
	net: qcom/emac: add missed clk_disable_unprepare in error path of emac_clks_phase1_init
	nfs: Fix getxattr kernel panic and memory overflow
	fs/ufs: avoid potential u32 multiplication overflow
	mfd: dln2: Run event handler loop under spinlock
	ALSA: echoaudio: Fix potential Oops in snd_echo_resume()
	sh: landisk: Add missing initialization of sh_io_port_base
	khugepaged: retract_page_tables() remember to test exit
	mm: Avoid calling build_all_zonelists_init under hotplug context
	Linux 4.9.233

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ied62cb0768f5bd8e989d75e7c2ccf6f1e6f2efd4
This commit is contained in:
Greg Kroah-Hartman 2020-08-21 11:48:51 +02:00
commit 1e7b6edbb5
224 changed files with 1458 additions and 627 deletions

View file

@ -1491,7 +1491,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw
KernelVersion: 4.3
Contact: linux-iio@vger.kernel.org
Description:
Raw (unscaled no offset etc.) percentage reading of a substance.
Raw (unscaled no offset etc.) reading of a substance. Units
after application of scale and offset are percents.
What: /sys/bus/iio/devices/iio:deviceX/in_resistance_raw
What: /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw

View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 232
SUBLEVEL = 233
EXTRAVERSION =
NAME = Roaring Lionus

View file

@ -16,6 +16,8 @@
#ifndef _ASM_ARM_PERCPU_H_
#define _ASM_ARM_PERCPU_H_
#include <asm/thread_info.h>
/*
* Same as asm-generic/percpu.h, except that we store the per cpu offset
* in the TPIDRPRW. TPIDRPRW only exists on V6K and V7

View file

@ -688,6 +688,12 @@ static void disable_single_step(struct perf_event *bp)
arch_install_hw_breakpoint(bp);
}
static int watchpoint_fault_on_uaccess(struct pt_regs *regs,
struct arch_hw_breakpoint *info)
{
return !user_mode(regs) && info->ctrl.privilege == ARM_BREAKPOINT_USER;
}
static void watchpoint_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
@ -747,16 +753,27 @@ static void watchpoint_handler(unsigned long addr, unsigned int fsr,
}
pr_debug("watchpoint fired: address = 0x%x\n", info->trigger);
/*
* If we triggered a user watchpoint from a uaccess routine,
* then handle the stepping ourselves since userspace really
* can't help us with this.
*/
if (watchpoint_fault_on_uaccess(regs, info))
goto step;
perf_bp_event(wp, regs);
/*
* If no overflow handler is present, insert a temporary
* mismatch breakpoint so we can single-step over the
* watchpoint trigger.
* Defer stepping to the overflow handler if one is installed.
* Otherwise, insert a temporary mismatch breakpoint so that
* we can single-step over the watchpoint trigger.
*/
if (is_default_overflow_handler(wp))
enable_single_step(wp, instruction_pointer(regs));
if (!is_default_overflow_handler(wp))
goto unlock;
step:
enable_single_step(wp, instruction_pointer(regs));
unlock:
rcu_read_unlock();
}

View file

@ -19,6 +19,19 @@
* A simple function epilogue looks like this:
* ldm sp, {fp, sp, pc}
*
* When compiled with clang, pc and sp are not pushed. A simple function
* prologue looks like this when built with clang:
*
* stmdb {..., fp, lr}
* add fp, sp, #x
* sub sp, sp, #y
*
* A simple function epilogue looks like this when built with clang:
*
* sub sp, fp, #x
* ldm {..., fp, pc}
*
*
* Note that with framepointer enabled, even the leaf functions have the same
* prologue and epilogue, therefore we can ignore the LR value in this case.
*/
@ -31,6 +44,16 @@ int notrace unwind_frame(struct stackframe *frame)
low = frame->sp;
high = ALIGN(low, THREAD_SIZE);
#ifdef CONFIG_CC_IS_CLANG
/* check current frame pointer is within bounds */
if (fp < low + 4 || fp > high - 4)
return -EINVAL;
frame->sp = frame->fp;
frame->fp = *(unsigned long *)(fp);
frame->pc = frame->lr;
frame->lr = *(unsigned long *)(fp + 4);
#else
/* check current frame pointer is within bounds */
if (fp < low + 12 || fp > high - 4)
return -EINVAL;
@ -39,6 +62,7 @@ int notrace unwind_frame(struct stackframe *frame)
frame->fp = *(unsigned long *)(fp - 12);
frame->sp = *(unsigned long *)(fp - 8);
frame->pc = *(unsigned long *)(fp - 4);
#endif
return 0;
}

View file

@ -411,13 +411,13 @@ static void __init at91_pm_sram_init(void)
sram_pool = gen_pool_get(&pdev->dev, NULL);
if (!sram_pool) {
pr_warn("%s: sram pool unavailable!\n", __func__);
return;
goto out_put_device;
}
sram_base = gen_pool_alloc(sram_pool, at91_pm_suspend_in_sram_sz);
if (!sram_base) {
pr_warn("%s: unable to alloc sram!\n", __func__);
return;
goto out_put_device;
}
sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base);
@ -425,12 +425,17 @@ static void __init at91_pm_sram_init(void)
at91_pm_suspend_in_sram_sz, false);
if (!at91_suspend_sram_fn) {
pr_warn("SRAM: Could not map\n");
return;
goto out_put_device;
}
/* Copy the pm suspend handler to SRAM */
at91_suspend_sram_fn = fncpy(at91_suspend_sram_fn,
&at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz);
return;
out_put_device:
put_device(&pdev->dev);
return;
}
static const struct of_device_id atmel_pmc_ids[] __initconst = {

View file

@ -60,14 +60,14 @@ static int socfpga_setup_ocram_self_refresh(void)
if (!ocram_pool) {
pr_warn("%s: ocram pool unavailable!\n", __func__);
ret = -ENODEV;
goto put_node;
goto put_device;
}
ocram_base = gen_pool_alloc(ocram_pool, socfpga_sdram_self_refresh_sz);
if (!ocram_base) {
pr_warn("%s: unable to alloc ocram!\n", __func__);
ret = -ENOMEM;
goto put_node;
goto put_device;
}
ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base);
@ -78,7 +78,7 @@ static int socfpga_setup_ocram_self_refresh(void)
if (!suspend_ocram_base) {
pr_warn("%s: __arm_ioremap_exec failed!\n", __func__);
ret = -ENOMEM;
goto put_node;
goto put_device;
}
/* Copy the code that puts DDR in self refresh to ocram */
@ -92,6 +92,8 @@ static int socfpga_setup_ocram_self_refresh(void)
if (!socfpga_sdram_self_refresh_in_ocram)
ret = -EFAULT;
put_device:
put_device(&pdev->dev);
put_node:
of_node_put(np);

View file

@ -131,6 +131,7 @@
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1150000>;
regulator-enable-ramp-delay = <125>;
regulator-always-on;
};
ldo8_reg: LDO8 {

View file

@ -542,7 +542,7 @@
pins = "gpio63", "gpio64", "gpio65", "gpio66",
"gpio67", "gpio68";
drive-strength = <8>;
bias-pull-none;
bias-disable;
};
};
cdc_pdm_lines_sus: pdm_lines_off {
@ -571,7 +571,7 @@
pins = "gpio113", "gpio114", "gpio115",
"gpio116";
drive-strength = <8>;
bias-pull-none;
bias-disable;
};
};
@ -599,7 +599,7 @@
pinconf {
pins = "gpio110";
drive-strength = <8>;
bias-pull-none;
bias-disable;
};
};
@ -625,7 +625,7 @@
pinconf {
pins = "gpio116";
drive-strength = <8>;
bias-pull-none;
bias-disable;
};
};
ext_mclk_tlmm_lines_sus: mclk_lines_off {
@ -653,7 +653,7 @@
pins = "gpio112", "gpio117", "gpio118",
"gpio119";
drive-strength = <8>;
bias-pull-none;
bias-disable;
};
};
ext_sec_tlmm_lines_sus: tlmm_lines_off {

View file

@ -30,16 +30,17 @@ static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
__uint128_t tmp;
u64 sum;
int n = ihl; /* we want it signed */
tmp = *(const __uint128_t *)iph;
iph += 16;
ihl -= 4;
n -= 4;
tmp += ((tmp >> 64) | (tmp << 64));
sum = tmp >> 64;
do {
sum += *(const u32 *)iph;
iph += 4;
} while (--ihl);
} while (--n > 0);
sum += ((sum >> 32) | (sum << 32));
return csum_fold(sum >> 32);

View file

@ -173,7 +173,7 @@ static __inline__ void iop_writeb(volatile struct mac_iop *iop, __u16 addr, __u8
static __inline__ void iop_stop(volatile struct mac_iop *iop)
{
iop->status_ctrl &= ~IOP_RUN;
iop->status_ctrl = IOP_AUTOINC;
}
static __inline__ void iop_start(volatile struct mac_iop *iop)
@ -181,14 +181,9 @@ static __inline__ void iop_start(volatile struct mac_iop *iop)
iop->status_ctrl = IOP_RUN | IOP_AUTOINC;
}
static __inline__ void iop_bypass(volatile struct mac_iop *iop)
{
iop->status_ctrl |= IOP_BYPASS;
}
static __inline__ void iop_interrupt(volatile struct mac_iop *iop)
{
iop->status_ctrl |= IOP_IRQ;
iop->status_ctrl = IOP_IRQ | IOP_RUN | IOP_AUTOINC;
}
static int iop_alive(volatile struct mac_iop *iop)
@ -239,7 +234,6 @@ void __init iop_preinit(void)
} else {
iop_base[IOP_NUM_SCC] = (struct mac_iop *) SCC_IOP_BASE_QUADRA;
}
iop_base[IOP_NUM_SCC]->status_ctrl = 0x87;
iop_scc_present = 1;
} else {
iop_base[IOP_NUM_SCC] = NULL;
@ -251,7 +245,7 @@ void __init iop_preinit(void)
} else {
iop_base[IOP_NUM_ISM] = (struct mac_iop *) ISM_IOP_BASE_QUADRA;
}
iop_base[IOP_NUM_ISM]->status_ctrl = 0;
iop_stop(iop_base[IOP_NUM_ISM]);
iop_ism_present = 1;
} else {
iop_base[IOP_NUM_ISM] = NULL;
@ -416,7 +410,8 @@ static void iop_handle_send(uint iop_num, uint chan)
iop_free_msg(msg2);
iop_send_queue[iop_num][chan] = msg;
if (msg) iop_do_send(msg);
if (msg && iop_readb(iop, IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE)
iop_do_send(msg);
}
/*
@ -497,16 +492,12 @@ int iop_send_message(uint iop_num, uint chan, void *privdata,
if (!(q = iop_send_queue[iop_num][chan])) {
iop_send_queue[iop_num][chan] = msg;
iop_do_send(msg);
} else {
while (q->next) q = q->next;
q->next = msg;
}
if (iop_readb(iop_base[iop_num],
IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE) {
iop_do_send(msg);
}
return 0;
}

View file

@ -39,3 +39,6 @@ header-y += termbits.h
header-y += termios.h
header-y += types.h
header-y += unistd.h
header-y += hwcap.h
header-y += reg.h
header-y += ucontext.h

View file

@ -19,7 +19,7 @@ static int __init topology_init(void)
for_each_present_cpu(i) {
struct cpu *c = &per_cpu(cpu_devices, i);
c->hotpluggable = 1;
c->hotpluggable = !!i;
ret = register_cpu(c, i);
if (ret)
printk(KERN_WARNING "topology_init: register_cpu %d "

View file

@ -59,6 +59,7 @@ extern void __cmpxchg_called_with_bad_pointer(void);
extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old,
unsigned int new_);
extern u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new_);
extern u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new_);
/* don't worry...optimizer will get rid of most of this */
static inline unsigned long
@ -70,6 +71,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
#endif
case 4: return __cmpxchg_u32((unsigned int *)ptr,
(unsigned int)old, (unsigned int)new_);
case 1: return __cmpxchg_u8((u8 *)ptr, (u8)old, (u8)new_);
}
__cmpxchg_called_with_bad_pointer();
return old;

View file

@ -78,3 +78,15 @@ unsigned long __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsign
_atomic_spin_unlock_irqrestore(ptr, flags);
return (unsigned long)prev;
}
u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new)
{
unsigned long flags;
u8 prev;
_atomic_spin_lock_irqsave(ptr, flags);
if ((prev = *ptr) == old)
*ptr = new;
_atomic_spin_unlock_irqrestore(ptr, flags);
return prev;
}

View file

@ -9,8 +9,6 @@
#ifdef CONFIG_SMP
#include <asm/paca.h>
#define __my_cpu_offset local_paca->data_offset
#endif /* CONFIG_SMP */
@ -18,4 +16,6 @@
#include <asm-generic/percpu.h>
#include <asm/paca.h>
#endif /* _ASM_POWERPC_PERCPU_H_ */

View file

@ -45,3 +45,4 @@ header-y += tm.h
header-y += types.h
header-y += ucontext.h
header-y += unistd.h
header-y += perf_regs.h

View file

@ -704,7 +704,7 @@ int vdso_getcpu_init(void)
node = cpu_to_node(cpu);
WARN_ON_ONCE(node > 0xffff);
val = (cpu & 0xfff) | ((node & 0xffff) << 16);
val = (cpu & 0xffff) | ((node & 0xffff) << 16);
mtspr(SPRN_SPRG_VDSO_WRITE, val);
get_paca()->sprg_vdso = val;

View file

@ -29,7 +29,7 @@ static bool rtas_hp_event;
unsigned long pseries_memory_block_size(void)
{
struct device_node *np;
unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
u64 memblock_size = MIN_MEMORY_BLOCK_SIZE;
struct resource r;
np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");

View file

@ -85,6 +85,9 @@ device_initcall(landisk_devices_setup);
static void __init landisk_setup(char **cmdline_p)
{
/* I/O port identity mapping */
__set_io_port_base(0);
/* LED ON */
__raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED);

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