build-llvm.py: Update to latest mainline release

Signed-off-by: Nathan Chancellor <nathan@kernel.org>

Author: nathanchance

build-llvm.py

@@ -452,7 +452,7 @@
                 f"Supplied kernel source version ('{found_version}') is older than the minimum required version ('{minimum_version}'), provide a newer version!"
             )
     else:
-        lsm.location = Path(src_folder, 'linux-6.18')
+        lsm.location = Path(src_folder, 'linux-6.19-rc7')
         lsm.patches = list(src_folder.glob('*.patch'))
 
         lsm.tarball.base_download_url = 'https://git.kernel.org/torvalds/t'

src/disable-objtool-disas-support-for-loongarch.patch

@@ -0,0 +1,32 @@
+diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
+index a40f30232929..9b79f82b4461 100644
+--- a/tools/objtool/Makefile
++++ b/tools/objtool/Makefile
+@@ -3,8 +3,9 @@ include ../scripts/Makefile.include
+ include ../scripts/Makefile.arch
+ 
+ ifeq ($(SRCARCH),x86)
+-	BUILD_ORC    := y
+-	ARCH_HAS_KLP := y
++	BUILD_ORC      := y
++	ARCH_HAS_DISAS := y
++	ARCH_HAS_KLP   := y
+ endif
+ 
+ ifeq ($(SRCARCH),loongarch)
+@@ -99,6 +100,7 @@ HAVE_DISASM_STYLED := $(shell echo '$(pound)include <dis-asm.h>' | \
+ 
+ BUILD_DISAS := n
+ 
++ifeq ($(ARCH_HAS_DISAS),y)
+ ifneq ($(LIBOPCODES_LIBS),)
+ 	BUILD_DISAS := y
+ 	OBJTOOL_CFLAGS += -DDISAS -DPACKAGE='"objtool"'
+@@ -107,6 +109,7 @@ ifeq ($(HAVE_DISASM_STYLED),y)
+ 	OBJTOOL_CFLAGS += -DDISASM_INIT_STYLED
+ endif
+ endif
++endif
+ 
+ export BUILD_DISAS
+ 

src/mips-ias-revert.patch

@@ -17,7 +17,7 @@ index c7d75807d13f..0992cad9c632 100644
  	return cpu_wait == r4k_wait;
  }
 diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
-index 08c0a01d9a29..a572ce36a24f 100644
+index be1b049d856f..a572ce36a24f 100644
 --- a/arch/mips/kernel/genex.S
 +++ b/arch/mips/kernel/genex.S
 @@ -104,59 +104,48 @@ handle_vcei:
@@ -29,7 +29,7 @@ index 08c0a01d9a29..a572ce36a24f 100644
 -	.align	5
 -LEAF(r4k_wait)
 -	/* Keep the ISA bit clear for calculations on local labels here. */
--0:	.fill 	0
+-0:	.fill	0
 -	/* Start of idle interrupt region. */
 -	local_irq_enable
 -	/*
@@ -41,7 +41,7 @@ index 08c0a01d9a29..a572ce36a24f 100644
 -	 */
 -1:	.fill	0
 -	/* The R2 EI/EHB sequence takes 8 bytes, otherwise pad up.  */
--	.if		1b - 0b > 32
+-	.if	1b - 0b > 32
 -	.error	"overlong idle interrupt region"
 -	.elseif	1b - 0b > 8
 -	.align	4
@@ -91,13 +91,13 @@ index 08c0a01d9a29..a572ce36a24f 100644
  	MFC0	k0, CP0_EPC
 -	/* Subtract/add 2 to let the ISA bit propagate through the mask.  */
 -	PTR_LA	k1, r4k_wait_insn - 2
--	ori 	k0, r4k_wait_idle_size - 2
+-	ori	k0, r4k_wait_idle_size - 2
 -	.set	noreorder
 +	PTR_LA	k1, __r4k_wait
 +	ori	k0, 0x1f	/* 32 byte rollback region */
 +	xori	k0, 0x1f
  	bne	k0, k1, \handler
--	PTR_ADDIU 	k0, r4k_wait_exit - r4k_wait_insn + 2
+-	 PTR_ADDIU	k0, r4k_wait_exit - r4k_wait_insn + 2
 -	.set	reorder
  	MTC0	k0, CP0_EPC
  	.set pop
@@ -136,28 +136,6 @@ index 80e8a04a642e..5abc8b7340f8 100644
  /*
   * This variant is preferable as it allows testing need_resched and going to
   * sleep depending on the outcome atomically.  Unfortunately the "It is
-diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
-index cc26d56f3ab6..e85bd087467e 100644
---- a/arch/mips/kernel/smp-cps.c
-+++ b/arch/mips/kernel/smp-cps.c
-@@ -332,8 +332,6 @@ static void __init cps_prepare_cpus(unsigned int max_cpus)
- 	mips_cps_cluster_bootcfg = kcalloc(nclusters,
- 					   sizeof(*mips_cps_cluster_bootcfg),
- 					   GFP_KERNEL);
--	if (!mips_cps_cluster_bootcfg)
--		goto err_out;
- 
- 	if (nclusters > 1)
- 		mips_cm_update_property();
-@@ -350,8 +348,6 @@ static void __init cps_prepare_cpus(unsigned int max_cpus)
- 		mips_cps_cluster_bootcfg[cl].core_power =
- 			kcalloc(BITS_TO_LONGS(ncores), sizeof(unsigned long),
- 				GFP_KERNEL);
--		if (!mips_cps_cluster_bootcfg[cl].core_power)
--			goto err_out;
- 
- 		/* Allocate VPE boot configuration structs */
- 		for (c = 0; c < ncores; c++) {
 diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
 index 8ec1e185b35c..39e248d0ed59 100644
 --- a/arch/mips/kernel/traps.c