diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2019-02-19 11:10:49 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-14 19:15:30 +0200 |
commit | 39a02bd9b45f18662494288a28d90a89f8bb3943 (patch) | |
tree | 32ec9d45db99a94d3387e117f5896ed15d4e57d4 | |
parent | 6e38d5ba363347aa8164510a1ce00bf832d5cbe4 (diff) |
Documentation: Move L1TF to separate directory
commit 65fd4cb65b2dad97feb8330b6690445910b56d6a upstream
Move L!TF to a separate directory so the MDS stuff can be added at the
side. Otherwise the all hardware vulnerabilites have their own top level
entry. Should have done that right away.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jon Masters <jcm@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 2 | ||||
-rw-r--r-- | Documentation/admin-guide/hw-vuln/index.rst | 12 | ||||
-rw-r--r-- | Documentation/admin-guide/hw-vuln/l1tf.rst (renamed from Documentation/admin-guide/l1tf.rst) | 0 | ||||
-rw-r--r-- | Documentation/admin-guide/index.rst | 6 | ||||
-rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 2 | ||||
-rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 4 |
7 files changed, 19 insertions, 9 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 2db5c3407fd6..744c6d764b0c 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -498,7 +498,7 @@ Description: Information about CPU vulnerabilities "Mitigation: $M" CPU is affected and mitigation $M is in effect Details about the l1tf file can be found in - Documentation/admin-guide/l1tf.rst + Documentation/admin-guide/hw-vuln/l1tf.rst What: /sys/devices/system/cpu/smt /sys/devices/system/cpu/smt/active diff --git a/Documentation/admin-guide/hw-vuln/index.rst b/Documentation/admin-guide/hw-vuln/index.rst new file mode 100644 index 000000000000..8ce2009f1981 --- /dev/null +++ b/Documentation/admin-guide/hw-vuln/index.rst @@ -0,0 +1,12 @@ +======================== +Hardware vulnerabilities +======================== + +This section describes CPU vulnerabilities and provides an overview of the +possible mitigations along with guidance for selecting mitigations if they +are configurable at compile, boot or run time. + +.. toctree:: + :maxdepth: 1 + + l1tf diff --git a/Documentation/admin-guide/l1tf.rst b/Documentation/admin-guide/hw-vuln/l1tf.rst index 9af977384168..9af977384168 100644 --- a/Documentation/admin-guide/l1tf.rst +++ b/Documentation/admin-guide/hw-vuln/l1tf.rst diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst index 0a491676685e..42247516962a 100644 --- a/Documentation/admin-guide/index.rst +++ b/Documentation/admin-guide/index.rst @@ -17,14 +17,12 @@ etc. kernel-parameters devices -This section describes CPU vulnerabilities and provides an overview of the -possible mitigations along with guidance for selecting mitigations if they -are configurable at compile, boot or run time. +This section describes CPU vulnerabilities and their mitigations. .. toctree:: :maxdepth: 1 - l1tf + hw-vuln/index Here is a set of documents aimed at users who are trying to track down problems and bugs in particular. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index c62a19f89395..d2f1895151a6 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2141,7 +2141,7 @@ Default is 'flush'. - For details see: Documentation/admin-guide/l1tf.rst + For details see: Documentation/admin-guide/hw-vuln/l1tf.rst l2cr= [PPC] diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 05bfbd8d224e..436a0cc8a3d2 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1119,7 +1119,7 @@ static void __init l1tf_select_mitigation(void) pr_info("You may make it effective by booting the kernel with mem=%llu parameter.\n", half_pa); pr_info("However, doing so will make a part of your RAM unusable.\n"); - pr_info("Reading https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html might help you decide.\n"); + pr_info("Reading https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html might help you decide.\n"); return; } diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 654e5211ee9c..194c6ec11f4c 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6671,8 +6671,8 @@ free_partial_vcpu: return ERR_PTR(err); } -#define L1TF_MSG_SMT "L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details.\n" -#define L1TF_MSG_L1D "L1TF CPU bug present and virtualization mitigation disabled, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details.\n" +#define L1TF_MSG_SMT "L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.\n" +#define L1TF_MSG_L1D "L1TF CPU bug present and virtualization mitigation disabled, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.\n" static int vmx_vm_init(struct kvm *kvm) { |