This is a note to let you know that I've just added the patch titled
[PATCH stable v4.14 09/32] powerpc/64: Make stf barrier PPC_BOOK3S_64
specific.
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-64-make-stf-barrier-ppc_book3s_64-specific.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@vger.kernel.org> know about it.
>From foo@baz Fri Mar 29 15:53:50 CET 2019
From: Michael Ellerman <m...@ellerman.id.au>
Date: Fri, 29 Mar 2019 22:25:57 +1100
Subject: [PATCH stable v4.14 09/32] powerpc/64: Make stf barrier PPC_BOOK3S_64
specific.
To: sta...@vger.kernel.org, gre...@linuxfoundation.org
Cc: linuxppc-...@ozlabs.org, diana.crac...@nxp.com, msucha...@suse.de,
christophe.le...@c-s.fr
Message-ID: <20190329112620.14489-10-...@ellerman.id.au>
From: Michael Ellerman <m...@ellerman.id.au>
From: Diana Craciun <diana.crac...@nxp.com>
commit 6453b532f2c8856a80381e6b9a1f5ea2f12294df upstream.
NXP Book3E platforms are not vulnerable to speculative store
bypass, so make the mitigations PPC_BOOK3S_64 specific.
Signed-off-by: Diana Craciun <diana.crac...@nxp.com>
Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/powerpc/kernel/security.c | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/powerpc/kernel/security.c
+++ b/arch/powerpc/kernel/security.c
@@ -176,6 +176,7 @@ ssize_t cpu_show_spectre_v2(struct devic
return s.len;
}
+#ifdef CONFIG_PPC_BOOK3S_64
/*
* Store-forwarding barrier support.
*/
@@ -323,3 +324,4 @@ static __init int stf_barrier_debugfs_in
}
device_initcall(stf_barrier_debugfs_init);
#endif /* CONFIG_DEBUG_FS */
+#endif /* CONFIG_PPC_BOOK3S_64 */
Patches currently in stable-queue which might be from m...@ellerman.id.au are
queue-4.14/powerpc-fsl-emulate-sprn_bucsr-register.patch
queue-4.14/powerpc-64-make-stf-barrier-ppc_book3s_64-specific.patch
queue-4.14/powerpc-fsl-fix-spectre_v2-mitigations-reporting.patch
queue-4.14/powerpc-64s-patch-barrier_nospec-in-modules.patch
queue-4.14/powerpc-pseries-query-hypervisor-for-count-cache-flush-settings.patch
queue-4.14/powerpc-64s-add-support-for-software-count-cache-flush.patch
queue-4.14/powerpc64s-show-ori31-availability-in-spectre_v1-sysfs-file-not-v2.patch
queue-4.14/powerpc-fsl-flush-the-branch-predictor-at-each-kernel-entry-64bit.patch
queue-4.14/powerpc-fsl-update-spectre-v2-reporting.patch
queue-4.14/powerpc-64-make-meltdown-reporting-book3s-64-specific.patch
queue-4.14/powerpc-64s-add-support-for-ori-barrier_nospec-patching.patch
queue-4.14/powerpc-use-barrier_nospec-in-copy_from_user.patch
queue-4.14/powerpc-fsl-sanitize-the-syscall-table-for-nxp-powerpc-32-bit-platforms.patch
queue-4.14/powerpc-fsl-add-macro-to-flush-the-branch-predictor.patch
queue-4.14/powerpc-fsl-add-barrier_nospec-implementation-for-nxp-powerpc-book3e.patch
queue-4.14/powerpc-security-fix-spectre_v2-reporting.patch
queue-4.14/powerpc-64-disable-the-speculation-barrier-from-the-command-line.patch
queue-4.14/powerpc-fsl-fix-the-flush-of-branch-predictor.patch
queue-4.14/powerpc-64-add-config_ppc_barrier_nospec.patch
queue-4.14/powerpc-fsl-enable-runtime-patching-if-nospectre_v2-boot-arg-is-used.patch
queue-4.14/powerpc-64-use-barrier_nospec-in-syscall-entry.patch
queue-4.14/powerpc-fsl-fixed-warning-orphan-section-__btb_flush_fixup.patch
queue-4.14/powerpc-fsl-add-nospectre_v2-command-line-argument.patch
queue-4.14/powerpc-64s-add-new-security-feature-flags-for-count-cache-flush.patch
queue-4.14/powerpc-fsl-add-infrastructure-to-fixup-branch-predictor-flush.patch
queue-4.14/powerpc-64s-enhance-the-information-in-cpu_show_spectre_v1.patch
queue-4.14/powerpc-64-call-setup_barrier_nospec-from-setup_arch.patch
queue-4.14/powerpc-asm-add-a-patch_site-macro-helpers-for-patching-instructions.patch
queue-4.14/powerpc-fsl-flush-the-branch-predictor-at-each-kernel-entry-32-bit.patch
queue-4.14/powerpc-64s-enable-barrier_nospec-based-on-firmware-settings.patch
queue-4.14/powerpc-fsl-flush-branch-predictor-when-entering-kvm.patch
queue-4.14/powerpc-powernv-query-firmware-for-count-cache-flush-settings.patch
