diff --git a/.SRCINFO b/.SRCINFO
index 403fab5..18d7150 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,8 +1,8 @@
 pkgbase = linux-vfio
 	pkgdesc = Linux
-	pkgver = 5.9.3.arch1
+	pkgver = 5.9.4.arch1
 	pkgrel = 1
-	url = https://git.archlinux.org/linux.git/log/?h=v5.9.3-arch1
+	url = https://git.archlinux.org/linux.git/log/?h=v5.9.4-arch1
 	arch = x86_64
 	license = GPL2
 	makedepends = bc
@@ -16,7 +16,7 @@ pkgbase = linux-vfio
 	makedepends = imagemagick
 	makedepends = git
 	options = !strip
-	source = archlinux-linux::git+https://git.archlinux.org/linux.git?signed#tag=v5.9.3-arch1
+	source = archlinux-linux::git+https://git.archlinux.org/linux.git?signed#tag=v5.9.4-arch1
 	source = config
 	source = add-acs-overrides.patch
 	source = i915-vga-arbiter.patch
@@ -25,7 +25,7 @@ pkgbase = linux-vfio
 	validpgpkeys = 647F28654894E3BD457199BE38DBBDC86092693E
 	validpgpkeys = A2FF3A36AAA56654109064AB19802F8B0D70FC30
 	sha256sums = SKIP
-	sha256sums = 36439a90c9d2f860298d90e141f3bf9d897dd8ece9e21cd46508f4ed7b2151bb
+	sha256sums = 958333f18de79c19ccf9eccb4e16e2a217a0619a1d96c2c65ccba23628815bab
 	sha256sums = 44dc46859652fef332b9223dc4de93e6a67877921711259540fbf235319538ac
 	sha256sums = 5ed25e82b59462d91a7869c5aca56045476f3c29c217bfa68851cc6d8678a503
 	sha256sums = 8cb21e0b3411327b627a9dd15b8eb773295a0d2782b1a41b2a8839d1b2f5778c
diff --git a/PKGBUILD b/PKGBUILD
index e7fa84b..ab20bda 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,7 +4,7 @@
 # Upstream: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
 
 pkgbase=linux-vfio
-pkgver=5.9.3.arch1
+pkgver=5.9.4.arch1
 pkgrel=1
 pkgdesc='Linux'
 _srctag=v${pkgver%.*}-${pkgver##*.}
@@ -31,7 +31,7 @@ validpgpkeys=(
   'A2FF3A36AAA56654109064AB19802F8B0D70FC30'  # Jan Alexander Steffens (heftig)
 )
 sha256sums=('SKIP'
-            '36439a90c9d2f860298d90e141f3bf9d897dd8ece9e21cd46508f4ed7b2151bb'
+            '958333f18de79c19ccf9eccb4e16e2a217a0619a1d96c2c65ccba23628815bab'
             '44dc46859652fef332b9223dc4de93e6a67877921711259540fbf235319538ac'
             '5ed25e82b59462d91a7869c5aca56045476f3c29c217bfa68851cc6d8678a503'
             '8cb21e0b3411327b627a9dd15b8eb773295a0d2782b1a41b2a8839d1b2f5778c')
diff --git a/config b/config
index d9f4614..1194169 100644
--- a/config
+++ b/config
@@ -1,11 +1,11 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 5.9.0-arch1 Kernel Configuration
+# Linux/x86 5.9.4-arch1 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.0"
 CONFIG_CC_IS_GCC=y
 CONFIG_GCC_VERSION=100200
-CONFIG_LD_VERSION=235000000
+CONFIG_LD_VERSION=235010000
 CONFIG_CLANG_VERSION=0
 CONFIG_CC_CAN_LINK=y
 CONFIG_CC_CAN_LINK_STATIC=y
@@ -10145,6 +10145,7 @@ CONFIG_NFSD_PNFS=y
 CONFIG_NFSD_BLOCKLAYOUT=y
 CONFIG_NFSD_SCSILAYOUT=y
 # CONFIG_NFSD_FLEXFILELAYOUT is not set
+CONFIG_NFSD_V4_2_INTER_SSC=y
 CONFIG_NFSD_V4_SECURITY_LABEL=y
 CONFIG_GRACE_PERIOD=m
 CONFIG_LOCKD=m
@@ -10727,7 +10728,7 @@ CONFIG_SG_POOL=y
 CONFIG_ARCH_HAS_PMEM_API=y
 CONFIG_MEMREGION=y
 CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE=y
-CONFIG_ARCH_HAS_UACCESS_MCSAFE=y
+CONFIG_ARCH_HAS_COPY_MC=y
 CONFIG_ARCH_STACKWALK=y
 CONFIG_SBITMAP=y
 CONFIG_PARMAN=m
@@ -11072,6 +11073,7 @@ CONFIG_LKDTM=m
 # CONFIG_TEST_STACKINIT is not set
 # CONFIG_TEST_MEMINIT is not set
 # CONFIG_TEST_HMM is not set
+# CONFIG_TEST_FREE_PAGES is not set
 # CONFIG_TEST_FPU is not set
 # CONFIG_MEMTEST is not set
 # CONFIG_HYPERV_TESTING is not set