git: openjdk/jdk11u-dev: 8283199: Linux os::cpu_microcode_revision() stalls cold startup

[Aleksey Shipilev]

Changeset: 5d9c09b8
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2022-11-21 08:44:39 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/5d9c09b8f10da495989918cb64ea4f92f520ccb5

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