Merge tag 'kernel-5.14.0-570.4.1.el9_6' into main

This brings all the post-branching changes from 9.6 into c9s.

Signed-off-by: Jan Stancek <[email protected]>

Author: jstancek

drivers/phy/tegra/xusb-tegra186.c

@@ -928,13 +928,24 @@ static int tegra186_utmi_phy_init(struct phy *phy)
 	unsigned int index = lane->index;
 	struct device *dev = padctl->dev;
 	int err;
+	u32 reg;
 
 	port = tegra_xusb_find_usb2_port(padctl, index);
 	if (!port) {
 		dev_err(dev, "no port found for USB2 lane %u\n", index);
 		return -ENODEV;
 	}
 
+	if (port->mode == USB_DR_MODE_OTG ||
+	    port->mode == USB_DR_MODE_PERIPHERAL) {
+		/* reset VBUS&ID OVERRIDE */
+		reg = padctl_readl(padctl, USB2_VBUS_ID);
+		reg &= ~VBUS_OVERRIDE;
+		reg &= ~ID_OVERRIDE(~0);
+		reg |= ID_OVERRIDE_FLOATING;
+		padctl_writel(padctl, reg, USB2_VBUS_ID);
+	}
+
 	if (port->supply && port->mode == USB_DR_MODE_HOST) {
 		err = regulator_enable(port->supply);
 		if (err) {

drivers/scsi/megaraid/megaraid_sas_base.c

@@ -8905,8 +8905,11 @@ megasas_aen_polling(struct work_struct *work)
 						   (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL),
 						   (ld_target_id % MEGASAS_MAX_DEV_PER_CHANNEL),
 						   0);
-			if (sdev1)
+			if (sdev1) {
+				mutex_unlock(&instance->reset_mutex);
 				megasas_remove_scsi_device(sdev1);
+				mutex_lock(&instance->reset_mutex);
+			}
 
 			event_type = SCAN_VD_CHANNEL;
 			break;

drivers/scsi/scsi_lib.c

@@ -210,6 +210,9 @@ static int scsi_check_passthrough(struct scsi_cmnd *scmd,
 	struct scsi_sense_hdr sshdr;
 	enum sam_status status;
 
+	if (!scmd->result)
+		return 0;
+
 	if (!failures)
 		return 0;
 

include/linux/fs.h

@@ -163,8 +163,6 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
 /* File supports DIRECT IO */
 #define	FMODE_CAN_ODIRECT	((__force fmode_t)0x400000)
 
-#define	FMODE_NOREUSE		((__force fmode_t)0x800000)
-
 /* File supports non-exclusive O_DIRECT writes from multiple threads */
 #define FMODE_DIO_PARALLEL_WRITE	((__force fmode_t)0x1000000)
 

include/linux/mm_inline.h

@@ -579,15 +579,4 @@ pte_install_uffd_wp_if_needed(struct vm_area_struct *vma, unsigned long addr,
 #endif
 }
 
-static inline bool vma_has_recency(struct vm_area_struct *vma)
-{
-	if (vma->vm_flags & (VM_SEQ_READ | VM_RAND_READ))
-		return false;
-
-	if (vma->vm_file && (vma->vm_file->f_mode & FMODE_NOREUSE))
-		return false;
-
-	return true;
-}
-
 #endif

mm/fadvise.c

@@ -79,7 +79,7 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
 	case POSIX_FADV_NORMAL:
 		file->f_ra.ra_pages = bdi->ra_pages;
 		spin_lock(&file->f_lock);
-		file->f_mode &= ~(FMODE_RANDOM | FMODE_NOREUSE);
+		file->f_mode &= ~FMODE_RANDOM;
 		spin_unlock(&file->f_lock);
 		break;
 	case POSIX_FADV_RANDOM:
@@ -106,9 +106,6 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
 		force_page_cache_readahead(mapping, file, start_index, nrpages);
 		break;
 	case POSIX_FADV_NOREUSE:
-		spin_lock(&file->f_lock);
-		file->f_mode |= FMODE_NOREUSE;
-		spin_unlock(&file->f_lock);
 		break;
 	case POSIX_FADV_DONTNEED:
 		__filemap_fdatawrite_range(mapping, offset, endbyte,

mm/memory.c

@@ -1460,7 +1460,8 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
 						force_flush = 1;
 					}
 				}
-				if (pte_young(ptent) && likely(vma_has_recency(vma)))
+				if (pte_young(ptent) &&
+				    likely(!(vma->vm_flags & VM_SEQ_READ)))
 					mark_page_accessed(page);
 			}
 			rss[mm_counter(page)]--;
@@ -5252,8 +5253,8 @@ static inline void mm_account_fault(struct mm_struct *mm, struct pt_regs *regs,
 #ifdef CONFIG_LRU_GEN
 static void lru_gen_enter_fault(struct vm_area_struct *vma)
 {
-	/* the LRU algorithm only applies to accesses with recency */
-	current->in_lru_fault = vma_has_recency(vma);
+	/* the LRU algorithm doesn't apply to sequential or random reads */
+	current->in_lru_fault = !(vma->vm_flags & (VM_SEQ_READ | VM_RAND_READ));
 }
 
 static void lru_gen_exit_fault(void)

mm/rmap.c

@@ -821,15 +821,25 @@ static bool folio_referenced_one(struct folio *folio,
 		}
 
 		if (pvmw.pte) {
-			if (lru_gen_enabled() &&
-			    pte_young(ptep_get(pvmw.pte))) {
+			if (lru_gen_enabled() && pte_young(ptep_get(pvmw.pte)) &&
+			    !(vma->vm_flags & (VM_SEQ_READ | VM_RAND_READ))) {
 				lru_gen_look_around(&pvmw);
 				referenced++;
 			}
 
 			if (ptep_clear_flush_young_notify(vma, address,
-						pvmw.pte))
-				referenced++;
+						pvmw.pte)) {
+				/*
+				 * Don't treat a reference through
+				 * a sequentially read mapping as such.
+				 * If the folio has been used in another mapping,
+				 * we will catch it; if this other mapping is
+				 * already gone, the unmap path will have set
+				 * the referenced flag or activated the folio.
+				 */
+				if (likely(!(vma->vm_flags & VM_SEQ_READ)))
+					referenced++;
+			}
 		} else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) {
 			if (pmdp_clear_flush_young_notify(vma, address,
 						pvmw.pmd))
@@ -863,20 +873,7 @@ static bool invalid_folio_referenced_vma(struct vm_area_struct *vma, void *arg)
 	struct folio_referenced_arg *pra = arg;
 	struct mem_cgroup *memcg = pra->memcg;
 
-	/*
-	 * Ignore references from this mapping if it has no recency. If the
-	 * folio has been used in another mapping, we will catch it; if this
-	 * other mapping is already gone, the unmap path will have set the
-	 * referenced flag or activated the folio in zap_pte_range().
-	 */
-	if (!vma_has_recency(vma))
-		return true;
-
-	/*
-	 * If we are reclaiming on behalf of a cgroup, skip counting on behalf
-	 * of references from different cgroups.
-	 */
-	if (memcg && !mm_match_cgroup(vma->vm_mm, memcg))
+	if (!mm_match_cgroup(vma->vm_mm, memcg))
 		return true;
 
 	return false;
@@ -907,7 +904,6 @@ int folio_referenced(struct folio *folio, int is_locked,
 		.arg = (void *)&pra,
 		.anon_lock = folio_lock_anon_vma_read,
 		.try_lock = true,
-		.invalid_vma = invalid_folio_referenced_vma,
 	};
 
 	*vm_flags = 0;
@@ -923,6 +919,15 @@ int folio_referenced(struct folio *folio, int is_locked,
 			return 1;
 	}
 
+	/*
+	 * If we are reclaiming on behalf of a cgroup, skip
+	 * counting on behalf of references from different
+	 * cgroups
+	 */
+	if (memcg) {
+		rwc.invalid_vma = invalid_folio_referenced_vma;
+	}
+
 	rmap_walk(folio, &rwc);
 	*vm_flags = pra.vm_flags;
 

mm/vmscan.c

@@ -3161,10 +3161,7 @@ static int should_skip_vma(unsigned long start, unsigned long end, struct mm_wal
 	if (is_vm_hugetlb_page(vma))
 		return true;
 
-	if (!vma_has_recency(vma))
-		return true;
-
-	if (vma->vm_flags & (VM_LOCKED | VM_SPECIAL))
+	if (vma->vm_flags & (VM_LOCKED | VM_SPECIAL | VM_SEQ_READ | VM_RAND_READ))
 		return true;
 
 	if (vma == get_gate_vma(vma->vm_mm))

redhat/kernel.changelog-9.6

@@ -1,3 +1,13 @@
+* Fri Mar 14 2025 CKI KWF Bot <[email protected]> [5.14.0-570.4.1.el9_6]
+- rhel_files: ensure all qdiscs are in modules-core (Davide Caratti) [RHEL-79818]
+- Revert "mm: add vma_has_recency()" (Luiz Capitulino) [RHEL-80655]
+- Revert "mm: support POSIX_FADV_NOREUSE" (Luiz Capitulino) [RHEL-80655]
+- phy: tegra: xusb: reset VBUS & ID OVERRIDE (Rupinderjit Singh) [RHEL-80628]
+- smb: client: fix chmod(2) regression with ATTR_READONLY (Jay Shin) [RHEL-80527 RHEL-78507]
+- scsi: megaraid_sas: Fix for a potential deadlock (Tomas Henzl) [RHEL-21980] {CVE-2024-57807}
+- scsi: core: Fix command pass through retry regression (Ewan D. Milne) [RHEL-77122]
+Resolves: RHEL-21980, RHEL-77122, RHEL-79818, RHEL-80527, RHEL-80628, RHEL-80655
+
 * Fri Mar 07 2025 CKI KWF Bot <[email protected]> [5.14.0-570.3.1.el9_6]
 - fs/proc: fix softlockup in __read_vmcore (part 2) (Baoquan He) [RHEL-79112] {CVE-2025-21694}
 - RDMA/mlx5: Fix a WARN during dereg_mr for DM type (Benjamin Poirier) [RHEL-49958 RHEL-6641 RHEL-77115]