git: openjdk/jdk17u-dev: 8283199: Linux os::cpu_microcode_revision() stalls cold startup

[Aleksey Shipilev]

Changeset: 6196d93e
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2022-11-08 13:09:28 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/6196d93e54f387b675eedf787b4b266d961cc6a3

8283199: Linux os::cpu_microcode_revision() stalls cold startup

Reviewed-by: stuefe
Backport-of: 1443f6b9191c127abdae38cadb1a44af3c652f1d

! src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp