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x86/entry_32: Add VERW just before userspace transition
authorPawan Gupta <pawan.kumar.gupta@linux.intel.com>
Mon, 4 Mar 2024 05:08:36 +0000 (21:08 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Mar 2024 14:48:44 +0000 (14:48 +0000)
commitca13d8cd8dac25558da4ee8df4dc70e8e7f9d762
tree5ee08323caece547a90aef3f53b95227802fab55tree | snapshot
parent7caf330faf16ca8ded3423c062c6841f8cd97626commit | diff
x86/entry_32: Add VERW just before userspace transition

commit a0e2dab44d22b913b4c228c8b52b2a104434b0b3 upstream.

As done for entry_64, add support for executing VERW late in exit to
user path for 32-bit mode.

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20240213-delay-verw-v8-3-a6216d83edb7%40linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/entry/entry_32.S diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git