Rebuild rocky8_8-rt with kernel-rt-4.18.0-477.27.1.rt7.290.el8_8

Rebuild_History BUILDABLERebuilding Kernel from rpm changelog with Fuzz Limit: 87.50%
Number of commits in upstream range v4.18~1..master: 488125
Number of commits in rpm: 126
Number of commits matched with upstream: 106 (84.13%)
Number of commits in upstream but not in rpm: 488019
Number of commits NOT found in upstream: 20 (15.87%)

Rebuilding Kernel on Branch rocky8_8-rt_rebuild_kernel-rt-4.18.0-477.27.1.rt7.290.el8_8 for kernel-rt-4.18.0-477.27.1.rt7.290.el8_8
Clean Cherry Picks: 63 (59.43%)
Empty Cherry Picks: 41 (38.68%)
_______________________________

Full Details Located here:
ciq/ciq_backports/kernel-rt-4.18.0-477.27.1.rt7.290.el8_8/rebuild.details.txt

Includes:
* git commit header above
* Empty Commits with upstream SHA
* RPM ChangeLog Entries that could not be matched

Individual Empty Commit failures contained in the same containing directory.
The git message for empty commits will have the path for the failed commit.
File names are the first 8 characters of the upstream SHA

Author: PlaidCat

Documentation/admin-guide/kernel-parameters.txt

@@ -4480,6 +4480,13 @@
 			Run specified binary instead of /init from the ramdisk,
 			used for early userspace startup. See initrd.
 
+	rdrand=		[X86]
+			force - Override the decision by the kernel to hide the
+				advertisement of RDRAND support (this affects
+				certain AMD processors because of buggy BIOS
+				support, specifically around the suspend/resume
+				path).
+
 	rdt=		[HW,X86,RDT]
 			Turn on/off individual RDT features. List is:
 			cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp,

MAINTAINERS

@@ -7671,6 +7671,12 @@ M:	David E. Box <[email protected]>
 S:	Supported
 F:	drivers/platform/x86/intel/vsec.*
 
+INTEL UNCORE FREQUENCY CONTROL
+M:	Srinivas Pandruvada <[email protected]>
+L:	[email protected]
+S:	Maintained
+F:	drivers/platform/x86/intel/uncore-frequency/
+
 INTEL VIRTUAL BUTTON DRIVER
 M:	AceLan Kao <[email protected]>
 L:	[email protected]

Makefile.rhelver

@@ -12,7 +12,7 @@ RHEL_MINOR = 8
 #
 # Use this spot to avoid future merge conflicts.
 # Do not trim this comment.
-RHEL_RELEASE = 477.21.1
+RHEL_RELEASE = 477.27.1
 
 #
 # ZSTREAM
@@ -67,4 +67,4 @@ ifneq ("$(ZSTREAM)", "yes")
 endif
 
 # Realtime build number
-RTBUILD:=.284
+RTBUILD:=.290

arch/arm64/mm/fault.c

@@ -553,11 +553,13 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
 		return 0;
 	}
 
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (fault & VM_FAULT_COMPLETED)
+		return 0;
+
 	if (fault & VM_FAULT_RETRY) {
-		if (mm_flags & FAULT_FLAG_ALLOW_RETRY) {
-			mm_flags |= FAULT_FLAG_TRIED;
-			goto retry;
-		}
+		mm_flags |= FAULT_FLAG_TRIED;
+		goto retry;
 	}
 	mmap_read_unlock(mm);
 

arch/powerpc/mm/copro_fault.c

@@ -78,6 +78,11 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
 
 	ret = 0;
 	*flt = handle_mm_fault(vma, ea, is_write ? FAULT_FLAG_WRITE : 0, NULL);
+
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (*flt & VM_FAULT_COMPLETED)
+		return 0;
+
 	if (unlikely(*flt & VM_FAULT_ERROR)) {
 		if (*flt & VM_FAULT_OOM) {
 			ret = -ENOMEM;

arch/powerpc/mm/fault.c

@@ -624,22 +624,25 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address,
 	if (fault_signal_pending(fault, regs))
 		return user_mode(regs) ? 0 : SIGBUS;
 
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (fault & VM_FAULT_COMPLETED)
+		goto out;
+
 	/*
 	 * Handle the retry right now, the mmap_lock has been released in that
 	 * case.
 	 */
 	if (unlikely(fault & VM_FAULT_RETRY)) {
-		if (flags & FAULT_FLAG_ALLOW_RETRY) {
-			flags |= FAULT_FLAG_TRIED;
-			goto retry;
-		}
+		flags |= FAULT_FLAG_TRIED;
+		goto retry;
 	}
 
 	mmap_read_unlock(current->mm);
 
 	if (unlikely(fault & VM_FAULT_ERROR))
 		return mm_fault_error(regs, address, fault);
 
+out:
 	/*
 	 * Major/minor page fault accounting.
 	 */

arch/powerpc/purgatory/Makefile

@@ -6,9 +6,8 @@ LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined
 $(obj)/purgatory.ro: $(obj)/trampoline_$(BITS).o FORCE
 		$(call if_changed,ld)
 
-CMD_BIN2C = $(objtree)/scripts/basic/bin2c
 quiet_cmd_bin2c = BIN2C   $@
-      cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@
+      cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
 
 $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
 	$(call if_changed,bin2c)

arch/s390/kernel/syscalls/Makefile

@@ -25,15 +25,15 @@ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
 	  $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
 
 define filechk_syshdr
-	$(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2"
+	$(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
 endef
 
 define filechk_sysnr
-	$(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget))
+	$(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
 endef
 
 define filechk_syscalls
-	$(CONFIG_SHELL) '$(systbl)' -S
+	$(CONFIG_SHELL) '$(systbl)' -S < $<
 endef
 
 syshdr_abi_unistd_32 := common,32

arch/s390/mm/fault.c

@@ -522,25 +522,37 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access)
 			goto out_up;
 		goto out;
 	}
+
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (fault & VM_FAULT_COMPLETED) {
+		if (gmap) {
+			mmap_read_lock(mm);
+			goto out_gmap;
+		}
+		fault = 0;
+		goto out;
+	}
+
 	if (unlikely(fault & VM_FAULT_ERROR))
 		goto out_up;
 
-	if (flags & FAULT_FLAG_ALLOW_RETRY) {
-		if (fault & VM_FAULT_RETRY) {
-			if (IS_ENABLED(CONFIG_PGSTE) && gmap &&
-			    (flags & FAULT_FLAG_RETRY_NOWAIT)) {
-				/* FAULT_FLAG_RETRY_NOWAIT has been set,
-				 * mmap_lock has not been released */
-				current->thread.gmap_pfault = 1;
-				fault = VM_FAULT_PFAULT;
-				goto out_up;
-			}
-			flags &= ~FAULT_FLAG_RETRY_NOWAIT;
-			flags |= FAULT_FLAG_TRIED;
-			mmap_read_lock(mm);
-			goto retry;
+	if (fault & VM_FAULT_RETRY) {
+		if (IS_ENABLED(CONFIG_PGSTE) && gmap &&
+			(flags & FAULT_FLAG_RETRY_NOWAIT)) {
+			/*
+			 * FAULT_FLAG_RETRY_NOWAIT has been set, mmap_lock has
+			 * not been released
+			 */
+			current->thread.gmap_pfault = 1;
+			fault = VM_FAULT_PFAULT;
+			goto out_up;
 		}
+		flags &= ~FAULT_FLAG_RETRY_NOWAIT;
+		flags |= FAULT_FLAG_TRIED;
+		mmap_read_lock(mm);
+		goto retry;
 	}
+out_gmap:
 	if (IS_ENABLED(CONFIG_PGSTE) && gmap) {
 		address =  __gmap_link(gmap, current->thread.gmap_addr,
 				       address);

arch/s390/purgatory/Makefile

@@ -37,6 +37,8 @@ OBJCOPYFLAGS_purgatory.ro += --remove-section='.comment'
 OBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*'
 $(obj)/purgatory.ro: $(obj)/purgatory FORCE
 		$(call if_changed,objcopy)
+quiet_cmd_bin2c = BIN2C   $@
+      cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
 
 $(obj)/kexec-purgatory.o: $(obj)/kexec-purgatory.S $(obj)/purgatory.ro FORCE
 	$(call if_changed_rule,as_o_S)