Signed-off-by: Robin H. Johnson <robb...@gentoo.org>
---
 .../intel-microcode-20231114_p20231114.ebuild       | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git 
a/sys-firmware/intel-microcode/intel-microcode-20231114_p20231114.ebuild 
b/sys-firmware/intel-microcode/intel-microcode-20231114_p20231114.ebuild
index 5d1ff1e7f4be..30aca9ccbecf 100644
--- a/sys-firmware/intel-microcode/intel-microcode-20231114_p20231114.ebuild
+++ b/sys-firmware/intel-microcode/intel-microcode-20231114_p20231114.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit linux-info mount-boot
+inherit linux-info mount-boot check-reqs
 
 # Find updates by searching and clicking the first link (hopefully it's the 
one):
 # 
https://www.intel.com/content/www/us/en/search.html?keyword=Processor+Microcode+Data+File
@@ -52,6 +52,9 @@ BDEPEND=">=sys-apps/iucode_tool-2.3"
 # !<sys-apps/microcode-ctl-1.17-r2 due to bug #268586
 RDEPEND="hostonly? ( sys-apps/iucode_tool )"
 
+# Plus a /boot check further down that, based on USE=initramfs.
+CHECKREQS_DISK_RUNTIME=( /lib/firmware/intel-ucode/:30M )
+
 # Blacklist bad microcode here.
 # 0x000406f1 aka 06-4f-01 aka CPUID 406F1 require newer microcode loader
 MICROCODE_BLACKLIST_DEFAULT="-s !0x000406f1"
@@ -164,7 +167,13 @@ pkg_preinst() {
        fi
 
        # Make sure /boot is available if needed.
-       use initramfs && mount-boot_pkg_preinst
+       if use initramfs; then
+               mount-boot_pkg_preinst
+               CHECKREQS_DISK_RUNTIME+=( /boot:20M )
+               #  check-reqs doesn't have any pkg_preinst function today.
+               check-reqs_pkg_setup || die "Not enough room in /boot to 
install early microcode"
+       fi
+
 
        local _initramfs_file="${ED}/boot/intel-uc.img"
 
-- 
2.43.0


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