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(parent: fbdbf8a) | patch
x86/bugs: Flush IBP in ib_prctl_set()
authorRodrigo Branco <bsdaemon@google.com>
Tue, 3 Jan 2023 20:17:51 +0000 (14:17 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Jan 2023 11:00:45 +0000 (12:00 +0100)
commit09f4f4bf0472eaf6781966573ccd2c0eeacee60f
treef563b5cad74db14f346915cd54f78f5150f205c6tree | snapshot
parentfbdbf8ac333d3d47c0d9ea81d7d445654431d100commit | diff
x86/bugs: Flush IBP in ib_prctl_set()

commit a664ec9158eeddd75121d39c9a0758016097fa96 upstream.

We missed the window between the TIF flag update and the next reschedule.

Signed-off-by: Rodrigo Branco <bsdaemon@google.com>
Reviewed-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kernel/cpu/bugs.c diff | blob | history
Linux kernels and configurations used by Zygo.