diff --git a/core/linux-aarch64-rc/PKGBUILD b/core/linux-aarch64-rc/PKGBUILD
index b59087336..5f3aa2880 100644
--- a/core/linux-aarch64-rc/PKGBUILD
+++ b/core/linux-aarch64-rc/PKGBUILD
@@ -4,14 +4,14 @@
 buildarch=8
 
 _rcver=5.12
-_rcrel=2
+_rcrel=3
 
 pkgbase=linux-aarch64-rc
 _srcname=linux-${_rcver}-rc${_rcrel}
 _kernelname=${pkgbase#linux}
 _desc="AArch64 multi-platform (release candidate)"
 pkgver=${_rcver}.rc${_rcrel}
-pkgrel=2
+pkgrel=1
 arch=('aarch64')
 url="http://www.kernel.org/"
 license=('GPL2')
@@ -29,12 +29,12 @@ source=("https://git.kernel.org/torvalds/t/${_srcname}.tar.gz"
         'linux.preset'
         '60-linux.hook'
         '90-linux.hook')
-md5sums=('678ae580f2aa6d36801c37b0e320dffb'
+md5sums=('dc4fe4b1427b7223386205250988f55a'
          'f9b6f367eef351eaa89b23a9b1ffc5a2'
          '369fb1dd626c4e0a4a7e068d27dd51c8'
          '1553fe4abbe675ed8abd4644561d8e8c'
          '9844db3484f4d4fa3e63c7e083f656f7'
-         '71cdee10afe574b994535d2e3e1d4404'
+         '47c62c814000ad515ab71213c00734bf'
          'beb35c282bbdadc0aab851d0ad4efd22'
          '61c5ff73c136ed07a7aadbf58db3d96a'
          '584777ae88bce2c5659960151b64c7d8'
@@ -257,7 +257,7 @@ DT_END
     --config cmdline \
     --bootloader bootloader.bin
 
-  cp vmlinux.kpart "${pkgdir}/boot"
+  lzma -zc9 vmlinux.kpart > "${pkgdir}/boot/vmlinux.kpart"
 }
 
 pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-chromebook")
diff --git a/core/linux-aarch64-rc/config b/core/linux-aarch64-rc/config
index 8fcd8c377..e6e230004 100644
--- a/core/linux-aarch64-rc/config
+++ b/core/linux-aarch64-rc/config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm64 5.12.0-rc2-2 Kernel Configuration
+# Linux/arm64 5.12.0-rc3-1 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.0"
 CONFIG_CC_IS_GCC=y
@@ -395,7 +395,6 @@ CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_HW_PERF_EVENTS=y
 CONFIG_SYS_SUPPORTS_HUGETLBFS=y
-CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
 CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
 CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
 CONFIG_PARAVIRT=y
@@ -483,7 +482,6 @@ CONFIG_STACKPROTECTOR_PER_TASK=y
 CONFIG_ARM64_ACPI_PARKING_PROTOCOL=y
 CONFIG_CMDLINE="console=ttyAMA0"
 CONFIG_CMDLINE_FROM_BOOTLOADER=y
-# CONFIG_CMDLINE_EXTEND is not set
 # CONFIG_CMDLINE_FORCE is not set
 CONFIG_EFI_STUB=y
 CONFIG_EFI=y
@@ -784,6 +782,7 @@ CONFIG_HAVE_MOVE_PUD=y
 CONFIG_HAVE_MOVE_PMD=y
 CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
 CONFIG_HAVE_ARCH_HUGE_VMAP=y
+CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
 CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
 CONFIG_MODULES_USE_ELF_RELA=y
 CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
@@ -1592,7 +1591,6 @@ CONFIG_NET_DSA_TAG_EDSA=m
 # CONFIG_NET_DSA_TAG_KSZ is not set
 # CONFIG_NET_DSA_TAG_RTL4_A is not set
 # CONFIG_NET_DSA_TAG_OCELOT is not set
-# CONFIG_NET_DSA_TAG_OCELOT_8021Q is not set
 CONFIG_NET_DSA_TAG_QCA=m
 # CONFIG_NET_DSA_TAG_LAN9303 is not set
 # CONFIG_NET_DSA_TAG_SJA1105 is not set
@@ -9634,7 +9632,7 @@ CONFIG_NFS_V4_1=y
 CONFIG_NFS_V4_2=y
 CONFIG_PNFS_FILE_LAYOUT=y
 CONFIG_PNFS_BLOCK=y
-CONFIG_PNFS_FLEXFILE_LAYOUT=m
+CONFIG_PNFS_FLEXFILE_LAYOUT=y
 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
 # CONFIG_NFS_V4_1_MIGRATION is not set
 CONFIG_NFS_V4_SECURITY_LABEL=y