git: 82ade8ed7e70 - stable/14 - EC2: Set entropy_efi_seed_size to 64
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Date: Sun, 29 Sep 2024 15:25:19 UTC
The branch stable/14 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=82ade8ed7e70ad99aa5a35b6947de06a2efe3257 commit 82ade8ed7e70ad99aa5a35b6947de06a2efe3257 Author: Colin Percival <cperciva@FreeBSD.org> AuthorDate: 2024-09-18 11:02:15 +0000 Commit: Colin Percival <cperciva@FreeBSD.org> CommitDate: 2024-09-29 15:24:52 +0000 EC2: Set entropy_efi_seed_size to 64 This dramatically improves boot speeds on Graviton 2 instances. MFC after: 1 week Sponsored by: Amazon Differential Revision: https://reviews.freebsd.org/D46636 (cherry picked from commit 714a6d436819d446e01d1e4741fbe1089a23fe57) --- release/tools/ec2.conf | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/release/tools/ec2.conf b/release/tools/ec2.conf index 2cca5fa713af..522aaa400520 100644 --- a/release/tools/ec2.conf +++ b/release/tools/ec2.conf @@ -38,6 +38,10 @@ ec2_common() { echo 'autoboot_delay="-1"' >> ${DESTDIR}/boot/loader.conf echo 'beastie_disable="YES"' >> ${DESTDIR}/boot/loader.conf + # The EFI RNG on Graviton 2 is particularly slow if we ask for the + # default 2048 bytes of entropy; ask for 64 bytes instead. + echo 'entropy_efi_seed_size="64"' >> ${DESTDIR}/boot/loader.conf + # Tell gptboot not to wait 3 seconds for a keypress which will # never arrive. printf -- "-n\n" > ${DESTDIR}/boot.config