Import of kernel-4.18.0-553.87.1.el8_10

Makefile.rhelver

@@ -12,7 +12,7 @@ RHEL_MINOR = 10
 #
 # Use this spot to avoid future merge conflicts.
 # Do not trim this comment.
-RHEL_RELEASE = 553.85.1
+RHEL_RELEASE = 553.87.1
 
 #
 # ZSTREAM

arch/powerpc/include/asm/cputable.h

@@ -486,6 +486,9 @@ static inline void cpu_feature_keys_init(void) { }
 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
 	    CPU_FTR_ARCH_300 | CPU_FTR_PKEY | \
 	    CPU_FTR_ARCH_31 | CPU_FTR_DAWR | CPU_FTR_DAWR1)
+
+#define CPU_FTRS_POWER11	CPU_FTRS_POWER10
+
 #define CPU_FTRS_CELL	(CPU_FTR_LWSYNC | \
 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \

arch/powerpc/include/asm/mmu.h

@@ -125,6 +125,7 @@
 #define MMU_FTRS_POWER8		MMU_FTRS_POWER6
 #define MMU_FTRS_POWER9		MMU_FTRS_POWER6
 #define MMU_FTRS_POWER10	MMU_FTRS_POWER6
+#define MMU_FTRS_POWER11	MMU_FTRS_POWER6
 #define MMU_FTRS_CELL		MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
 				MMU_FTR_CI_LARGE_PAGE
 #define MMU_FTRS_PA6T		MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \

arch/powerpc/include/asm/perf_event_server.h

@@ -102,7 +102,7 @@ struct power_pmu {
 #define PPMU_LIMITED_PMC_REQD	2	/* have to put this on a limited PMC */
 #define PPMU_ONLY_COUNT_RUN	4	/* only counting in run state */
 
-extern int register_power_pmu(struct power_pmu *);
+int __init register_power_pmu(struct power_pmu *pmu);
 
 struct pt_regs;
 extern unsigned long perf_misc_flags(struct pt_regs *regs);

arch/powerpc/include/asm/reg.h

@@ -1346,6 +1346,7 @@
 #define PVR_POWER8	0x004D
 #define PVR_POWER9	0x004E
 #define PVR_POWER10	0x0080
+#define PVR_POWER11	0x0082
 #define PVR_BE		0x0070
 #define PVR_PA6T	0x0090
 
@@ -1357,6 +1358,7 @@
 #define PVR_ARCH_207	0x0f000004
 #define PVR_ARCH_300	0x0f000005
 #define PVR_ARCH_31	0x0f000006
+#define PVR_ARCH_31_P11	0x0f000007
 
 /* Macros for setting and retrieving special purpose registers */
 #ifndef __ASSEMBLY__

arch/powerpc/kernel/cputable.c

@@ -130,6 +130,10 @@ extern void __restore_cpu_e6500(void);
 				 PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \
 				 PPC_FEATURE2_VEC_CRYPTO)
 
+#define COMMON_USER_POWER11	COMMON_USER_POWER10
+#define COMMON_USER2_POWER11	COMMON_USER2_POWER10
+
+
 #ifdef CONFIG_PPC_BOOK3E_64
 #define COMMON_USER_BOOKE	(COMMON_USER_PPC64 | PPC_FEATURE_BOOKE)
 #else
@@ -393,6 +397,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.cpu_restore		= __restore_cpu_power10,
 		.platform		= "power10",
 	},
+	{       /* 3.1-compliant processor, i.e. Power11 "architected" mode */
+		.pvr_mask               = 0xffffffff,
+		.pvr_value              = 0x0f000007,
+		.cpu_name               = "Power11 (architected)",
+		.cpu_features           = CPU_FTRS_POWER11,
+		.cpu_user_features      = COMMON_USER_POWER11,
+		.cpu_user_features2     = COMMON_USER2_POWER11,
+		.mmu_features           = MMU_FTRS_POWER11,
+		.icache_bsize           = 128,
+		.dcache_bsize           = 128,
+		.cpu_setup              = __setup_cpu_power10,
+		.cpu_restore            = __restore_cpu_power10,
+		.platform               = "power11",
+	},
 	{	/* Power7 */
 		.pvr_mask		= 0xffff0000,
 		.pvr_value		= 0x003f0000,
@@ -583,6 +601,23 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check_early	= __machine_check_early_realmode_p10,
 		.platform		= "power10",
 	},
+	{       /* Power11 */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00820000,
+		.cpu_name		= "Power11 (raw)",
+		.cpu_features		= CPU_FTRS_POWER11,
+		.cpu_user_features	= COMMON_USER_POWER11,
+		.cpu_user_features2	= COMMON_USER2_POWER11,
+		.mmu_features		= MMU_FTRS_POWER11,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.num_pmcs		= 6,
+		.pmc_type		= PPC_PMC_IBM,
+		.cpu_setup		= __setup_cpu_power10,
+		.cpu_restore		= __restore_cpu_power10,
+		.machine_check_early	= __machine_check_early_realmode_p10,
+		.platform		= "power11",
+	},
 	{	/* Cell Broadband Engine */
 		.pvr_mask		= 0xffff0000,
 		.pvr_value		= 0x00700000,

arch/powerpc/kernel/dt_cpu_ftrs.c

@@ -484,6 +484,14 @@ static int __init feat_enable_mce_power10(struct dt_cpu_feature *f)
 	return 1;
 }
 
+static int __init feat_enable_mce_power11(struct dt_cpu_feature *f)
+{
+	cur_cpu_spec->platform = "power11";
+	cur_cpu_spec->machine_check_early = __machine_check_early_realmode_p10;
+
+	return 1;
+}
+
 static int __init feat_enable_tm(struct dt_cpu_feature *f)
 {
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
@@ -673,8 +681,10 @@ static struct dt_cpu_feature_match __initdata
 	{"pc-relative-addressing", feat_enable, 0},
 	{"machine-check-power9", feat_enable_mce_power9, 0},
 	{"machine-check-power10", feat_enable_mce_power10, 0},
+	{"machine-check-power11", feat_enable_mce_power11, 0},
 	{"performance-monitor-power9", feat_enable_pmu_power9, 0},
 	{"performance-monitor-power10", feat_enable_pmu_power10, 0},
+	{"performance-monitor-power11", feat_enable_pmu_power10, 0},
 	{"event-based-branch-v3", feat_enable, 0},
 	{"random-number-generator", feat_enable, 0},
 	{"system-call-vectored", feat_disable, 0},

arch/powerpc/kernel/prom_init.c

@@ -219,6 +219,7 @@ static int __prombss mem_reserve_cnt;
 static cell_t __prombss regbuf[1024];
 
 static bool  __prombss rtas_has_query_cpu_stopped;
+static int __prombss enable_p11_val;
 
 
 /*
@@ -816,6 +817,15 @@ static void __init early_cmdline_parse(void)
 		} else
 			prom_radix_disable = true;
 	}
+
+	opt = prom_strstr(prom_cmd_line, "enable_p11");
+	if (opt) {
+		opt += 12;
+		enable_p11_val = 1;
+	} else {
+		enable_p11_val = 0;
+	}
+
 	if (prom_radix_disable)
 		prom_debug("Radix disabled from cmdline\n");
 
@@ -922,7 +932,7 @@ struct option_vector6 {
 } __packed;
 
 struct ibm_arch_vec {
-	struct { u32 mask, val; } pvrs[14];
+	struct { u32 mask, val; } pvrs[16];
 
 	u8 num_vectors;
 
@@ -979,6 +989,14 @@ static const struct ibm_arch_vec ibm_architecture_vec_template __initconst = {
 			.mask = cpu_to_be32(0xffff0000), /* POWER10 */
 			.val  = cpu_to_be32(0x00800000),
 		},
+		{
+			.mask = cpu_to_be32(0xffff0000), /* POWER11 */
+			.val  = cpu_to_be32(0x00820000),
+		},
+		{
+			.mask = cpu_to_be32(0xffffffff), /* P11 compliant */
+			.val  = cpu_to_be32(0x0f000007),
+		},
 		{
 			.mask = cpu_to_be32(0xffffffff), /* all 3.1-compliant */
 			.val  = cpu_to_be32(0x0f000006),
@@ -1308,10 +1326,19 @@ static void __init prom_check_platform_support(void)
 	};
 	int prop_len = prom_getproplen(prom.chosen,
 				       "ibm,arch-vec-5-platform-support");
+	int i;
 
 	/* First copy the architecture vec template */
 	ibm_architecture_vec = ibm_architecture_vec_template;
 
+	if (!enable_p11_val) {
+		for (i=0;i<16; i++) {
+			if ((ibm_architecture_vec.pvrs[i].val == cpu_to_be32(0x0f000007)) ||
+			    (ibm_architecture_vec.pvrs[i].val == cpu_to_be32(0x00820000)))
+				ibm_architecture_vec.pvrs[i].val = 0x0;
+		}
+	}
+
 	if (prop_len > 1) {
 		int i;
 		u8 vec[prop_len];

arch/powerpc/kvm/book3s_hv.c

@@ -389,6 +389,7 @@ static int kvmppc_set_arch_compat(struct kvm_vcpu *vcpu, u32 arch_compat)
 			guest_pcr_bit = PCR_ARCH_300;
 			break;
 		case PVR_ARCH_31:
+		case PVR_ARCH_31_P11:
 			guest_pcr_bit = PCR_ARCH_31;
 			break;
 		default:

arch/powerpc/perf/core-book3s.c

@@ -2510,7 +2510,7 @@ static int power_pmu_prepare_cpu(unsigned int cpu)
 	return 0;
 }
 
-int register_power_pmu(struct power_pmu *pmu)
+int __init register_power_pmu(struct power_pmu *pmu)
 {
 	if (ppmu)
 		return -EBUSY;		/* something's already registered */
@@ -2554,6 +2554,8 @@ static int __init init_ppc64_pmu(void)
 		return 0;
 	else if (!init_power10_pmu())
 		return 0;
+	else if (!init_power11_pmu())
+		return 0;
 	else if (!init_ppc970_pmu())
 		return 0;
 	else

arch/powerpc/perf/generic-compat-pmu.c

@@ -307,7 +307,7 @@ static struct power_pmu generic_compat_pmu = {
 	.attr_groups		= generic_compat_pmu_attr_groups,
 };
 
-int init_generic_compat_pmu(void)
+int __init init_generic_compat_pmu(void)
 {
 	int rc = 0;
 

arch/powerpc/perf/internal.h

@@ -2,12 +2,13 @@
 //
 // Copyright 2019 Madhavan Srinivasan, IBM Corporation.
 
-extern int init_ppc970_pmu(void);
-extern int init_power5_pmu(void);
-extern int init_power5p_pmu(void);
-extern int init_power6_pmu(void);
-extern int init_power7_pmu(void);
-extern int init_power8_pmu(void);
-extern int init_power9_pmu(void);
-extern int init_power10_pmu(void);
-extern int init_generic_compat_pmu(void);
+int __init init_ppc970_pmu(void);
+int __init init_power5_pmu(void);
+int __init init_power5p_pmu(void);
+int __init init_power6_pmu(void);
+int __init init_power7_pmu(void);
+int __init init_power8_pmu(void);
+int __init init_power9_pmu(void);
+int __init init_power10_pmu(void);
+int __init init_power11_pmu(void);
+int __init init_generic_compat_pmu(void);

arch/powerpc/perf/power10-pmu.c

@@ -593,7 +593,7 @@ static struct power_pmu power10_pmu = {
 	.check_attr_config	= power10_check_attr_config,
 };
 
-int init_power10_pmu(void)
+int __init init_power10_pmu(void)
 {
 	unsigned int pvr;
 	int rc;
@@ -626,3 +626,30 @@ int init_power10_pmu(void)
 
 	return 0;
 }
+
+static struct power_pmu power11_pmu;
+
+int __init init_power11_pmu(void)
+{
+	unsigned int pvr;
+	int rc;
+
+	pvr = mfspr(SPRN_PVR);
+	if (PVR_VER(pvr) != PVR_POWER11)
+		return -ENODEV;
+
+	/* Set the PERF_REG_EXTENDED_MASK here */
+	PERF_REG_EXTENDED_MASK = PERF_REG_PMU_MASK_31;
+
+	power11_pmu = power10_pmu;
+	power11_pmu.name = "Power11";
+
+	rc = register_power_pmu(&power11_pmu);
+	if (rc)
+		return rc;
+
+	/* Tell userspace that EBB is supported */
+	cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_EBB;
+
+	return 0;
+}

arch/powerpc/perf/power5+-pmu.c

@@ -679,7 +679,7 @@ static struct power_pmu power5p_pmu = {
 	.cache_events		= &power5p_cache_events,
 };
 
-int init_power5p_pmu(void)
+int __init init_power5p_pmu(void)
 {
 	if (!cur_cpu_spec->oprofile_cpu_type ||
 	    (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5+")

arch/powerpc/perf/power5-pmu.c

@@ -620,7 +620,7 @@ static struct power_pmu power5_pmu = {
 	.flags			= PPMU_HAS_SSLOT,
 };
 
-int init_power5_pmu(void)
+int __init init_power5_pmu(void)
 {
 	if (!cur_cpu_spec->oprofile_cpu_type ||
 	    strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5"))

arch/powerpc/perf/power6-pmu.c

@@ -541,7 +541,7 @@ static struct power_pmu power6_pmu = {
 	.cache_events		= &power6_cache_events,
 };
 
-int init_power6_pmu(void)
+int __init init_power6_pmu(void)
 {
 	if (!cur_cpu_spec->oprofile_cpu_type ||
 	    strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power6"))

arch/powerpc/perf/power7-pmu.c

@@ -446,7 +446,7 @@ static struct power_pmu power7_pmu = {
 	.cache_events		= &power7_cache_events,
 };
 
-int init_power7_pmu(void)
+int __init init_power7_pmu(void)
 {
 	if (!cur_cpu_spec->oprofile_cpu_type ||
 	    strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power7"))

arch/powerpc/perf/power8-pmu.c

@@ -382,7 +382,7 @@ static struct power_pmu power8_pmu = {
 	.bhrb_nr		= 32,
 };
 
-int init_power8_pmu(void)
+int __init init_power8_pmu(void)
 {
 	int rc;
 

arch/powerpc/perf/power9-pmu.c

@@ -456,7 +456,7 @@ static struct power_pmu power9_pmu = {
 	.check_attr_config	= power9_check_attr_config,
 };
 
-int init_power9_pmu(void)
+int __init init_power9_pmu(void)
 {
 	int rc = 0;
 	unsigned int pvr = mfspr(SPRN_PVR);

arch/powerpc/perf/ppc970-pmu.c

@@ -491,7 +491,7 @@ static struct power_pmu ppc970_pmu = {
 	.flags			= PPMU_NO_SIPR | PPMU_NO_CONT_SAMPLING,
 };
 
-int init_ppc970_pmu(void)
+int __init init_ppc970_pmu(void)
 {
 	if (!cur_cpu_spec->oprofile_cpu_type ||
 	    (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/970")

drivers/block/nbd.c

@@ -320,6 +320,9 @@ static int nbd_set_size(struct nbd_device *nbd, loff_t bytesize,
 	if (blksize < 512 || blksize > PAGE_SIZE || !is_power_of_2(blksize))
 		return -EINVAL;
 
+	if (bytesize < 0)
+		return -EINVAL;
+
 	nbd->config->bytesize = bytesize;
 	nbd->config->blksize = blksize;
 
@@ -1051,6 +1054,9 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg,
 	struct nbd_sock *nsock;
 	int err;
 
+	/* Arg will be cast to int, check it to avoid overflow */
+	if (arg > INT_MAX)
+		return -EINVAL;
 	sock = nbd_get_socket(nbd, arg, &err);
 	if (!sock)
 		return err;

drivers/net/ethernet/intel/e1000e/ethtool.c

@@ -559,12 +559,13 @@ static int e1000_set_eeprom(struct net_device *netdev,
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
+	__u32 total_len;
+	size_t max_len;
 	u16 *eeprom_buff;
-	void *ptr;
-	int max_len;
+	int ret_val = 0;
 	int first_word;
 	int last_word;
-	int ret_val = 0;
+	void *ptr;
 	u16 i;
 
 	if (eeprom->len == 0)
@@ -579,6 +580,10 @@ static int e1000_set_eeprom(struct net_device *netdev,
 
 	max_len = hw->nvm.word_size * 2;
 
+	if (check_add_overflow(eeprom->offset, eeprom->len, &total_len) ||
+	    total_len > max_len)
+		return -EFBIG;
+
 	first_word = eeprom->offset >> 1;
 	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 	eeprom_buff = kmalloc(max_len, GFP_KERNEL);

fs/cifs/inode.c

@@ -1591,12 +1591,21 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
 	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
 	struct tcon_link *tlink;
 	struct cifs_tcon *tcon;
+	__u32 dosattr = 0, origattr = 0;
 	struct TCP_Server_Info *server;
 	struct iattr *attrs = NULL;
-	__u32 dosattr = 0, origattr = 0;
+	bool rehash = false;
 
 	cifs_dbg(FYI, "cifs_unlink, dir=0x%p, dentry=0x%p\n", dir, dentry);
 
+	/* Unhash dentry in advance to prevent any concurrent opens */
+	spin_lock(&dentry->d_lock);
+	if (!d_unhashed(dentry)) {
+		__d_drop(dentry);
+		rehash = true;
+	}
+	spin_unlock(&dentry->d_lock);
+
 	tlink = cifs_sb_tlink(cifs_sb);
 	if (IS_ERR(tlink))
 		return PTR_ERR(tlink);
@@ -1642,7 +1651,8 @@ psx_del_no_retry:
 		if (inode)
 			cifs_drop_nlink(inode);
 	} else if (rc == -ENOENT) {
-		d_drop(dentry);
+		if (simple_positive(dentry))
+			d_delete(dentry);
 	} else if (rc == -EBUSY) {
 		if (server->ops->rename_pending_delete) {
 			rc = server->ops->rename_pending_delete(full_path,
@@ -1693,6 +1703,8 @@ unlink_out:
 	kfree(attrs);
 	free_xid(xid);
 	cifs_put_tlink(tlink);
+	if (rehash)
+		d_rehash(dentry);
 	return rc;
 }
 
@@ -2066,6 +2078,7 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
 	struct cifs_sb_info *cifs_sb;
 	struct tcon_link *tlink;
 	struct cifs_tcon *tcon;
+	bool rehash = false;
 	FILE_UNIX_BASIC_INFO *info_buf_source = NULL;
 	FILE_UNIX_BASIC_INFO *info_buf_target;
 	unsigned int xid;
@@ -2074,6 +2087,17 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
 	if (flags & ~RENAME_NOREPLACE)
 		return -EINVAL;
 
+	/*
+	 * Prevent any concurrent opens on the target by unhashing the dentry.
+	 * VFS already unhashes the target when renaming directories.
+	 */
+	if (d_is_positive(target_dentry) && !d_is_dir(target_dentry)) {
+		if (!d_unhashed(target_dentry)) {
+			d_drop(target_dentry);
+			rehash = true;
+		}
+	}
+
 	cifs_sb = CIFS_SB(source_dir->i_sb);
 	tlink = cifs_sb_tlink(cifs_sb);
 	if (IS_ERR(tlink))
@@ -2099,6 +2123,8 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
 	rc = cifs_do_rename(xid, source_dentry, from_name, target_dentry,
 			    to_name);
 
+	if (!rc)
+		rehash = false;
 	/*
 	 * No-replace is the natural behavior for CIFS, so skip unlink hacks.
 	 */
@@ -2154,6 +2180,8 @@ unlink_target:
 			goto cifs_rename_exit;
 		rc = cifs_do_rename(xid, source_dentry, from_name,
 				    target_dentry, to_name);
+		if (!rc)
+			rehash = false;
 	}
 
 	/* force revalidate to go get info when needed */
@@ -2163,6 +2191,8 @@ unlink_target:
 		target_dir->i_mtime = current_time(source_dir);
 
 cifs_rename_exit:
+	if (rehash)
+		d_rehash(target_dentry);
 	kfree(info_buf_source);
 	free_dentry_path(page2);
 	free_dentry_path(page1);

fs/nfsd/nfs4state.c

@@ -4039,10 +4039,16 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
 	}
 	status = nfs_ok;
 	if (conf) {
-		old = unconf;
-		unhash_client_locked(old);
-		nfsd4_change_callback(conf, &unconf->cl_cb_conn);
-	} else {
+		if (get_client_locked(conf) == nfs_ok) {
+			old = unconf;
+			unhash_client_locked(old);
+			nfsd4_change_callback(conf, &unconf->cl_cb_conn);
+		} else {
+			conf = NULL;
+		}
+	}
+
+	if (!conf) {
 		old = find_confirmed_client_by_name(&unconf->cl_name, nn);
 		if (old) {
 			status = nfserr_clid_inuse;
@@ -4059,10 +4065,14 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
 			}
 			trace_nfsd_clid_replaced(&old->cl_clientid);
 		}
+		status = get_client_locked(unconf);
+		if (status != nfs_ok) {
+			old = NULL;
+			goto out;
+		}
 		move_to_confirmed(unconf);
 		conf = unconf;
 	}
-	get_client_locked(conf);
 	spin_unlock(&nn->client_lock);
 	if (conf == unconf)
 		fsnotify_parent(NULL, conf->cl_nfsd_info_dentry, FS_MODIFY);

mm/memory-failure.c

@@ -1776,10 +1776,9 @@ int unpoison_memory(unsigned long pfn)
 	static DEFINE_RATELIMIT_STATE(unpoison_rs, DEFAULT_RATELIMIT_INTERVAL,
 					DEFAULT_RATELIMIT_BURST);
 
-	if (!pfn_valid(pfn))
-		return -ENXIO;
-
-	p = pfn_to_page(pfn);
+	p = pfn_to_online_page(pfn);
+	if (!p)
+		return -EIO;
 	page = compound_head(p);
 
 	if (!PageHWPoison(p)) {

net/ipv4/tcp.c

@@ -2612,6 +2612,7 @@ int tcp_disconnect(struct sock *sk, int flags)
 	struct tcp_sock *tp = tcp_sk(sk);
 	int err = 0;
 	int old_state = sk->sk_state;
+	struct request_sock *req;
 	u32 seq;
 
 	if (old_state != TCP_CLOSE)
@@ -2715,6 +2716,10 @@ int tcp_disconnect(struct sock *sk, int flags)
 
 
 	/* Clean up fastopen related fields */
+	req = rcu_dereference_protected(tp->fastopen_rsk,
+					lockdep_sock_is_held(sk));
+	if (req)
+		reqsk_fastopen_remove(sk, req, false);
 	tcp_free_fastopen_req(tp);
 	inet->defer_connect = 0;
 

net/ipv4/tcp_input.c

@@ -6851,7 +6851,6 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
 				    &foc, TCP_SYNACK_FASTOPEN, skb);
 		/* Add the child socket directly into the accept queue */
 		if (!inet_csk_reqsk_queue_add(sk, req, fastopen_sk)) {
-			reqsk_fastopen_remove(fastopen_sk, req, false);
 			bh_unlock_sock(fastopen_sk);
 			sock_put(fastopen_sk);
 			goto drop_and_free;

tools/perf/arch/powerpc/util/header.c

@@ -34,7 +34,7 @@ get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
 {
 	char *bufp;
 
-	if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
+	if (asprintf(&bufp, "0x%.8lx", mfspr(SPRN_PVR)) < 0)
 		bufp = NULL;
 
 	return bufp;

tools/perf/pmu-events/arch/powerpc/mapfile.csv

@@ -11,8 +11,8 @@
 #
 # Multiple PVRs could map to a single JSON file.
 #
-
-# Power8 entries
-004[bcd][[:xdigit:]]{4},1,power8,core
-004e[[:xdigit:]]{4},1,power9,core
-0080[[:xdigit:]]{4},1,power10,core
+0x004[bcd][[:xdigit:]]{4},1,power8,core
+0x0066[[:xdigit:]]{4},1,power8,core
+0x004e[[:xdigit:]]{4},1,power9,core
+0x0080[[:xdigit:]]{4},1,power10,core
+0x0082[[:xdigit:]]{4},1,power10,core