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| author | Jens Axboe <axboe@kernel.dk> | 2018-02-05 12:55:38 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-02-05 12:55:38 -0700 |
| commit | 9e05c864993c5442227f83ae1694a737d7a102ed (patch) | |
| tree | e35b60bb3c0c179f147e9acaad5444f1e5d9117e /arch/Kconfig | |
| parent | 3c15f3f545afa320c5e3822825a9a53c664776b6 (diff) | |
| parent | 35277995e17919ab838beae765f440674e8576eb (diff) | |
Merge branch 'master' into test
* master: (688 commits)
dt-bindings: mailbox: qcom: Document the APCS clock binding
mailbox: qcom: Create APCS child device for clock controller
mailbox: qcom: Convert APCS IPC driver to use regmap
KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
KVM/x86: Add IBPB support
KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX
pinctrl: remove include file from <linux/device.h>
firmware: dmi: handle missing DMI data gracefully
firmware: dmi_scan: Fix handling of empty DMI strings
firmware: dmi_scan: Drop dmi_initialized
firmware: dmi: Optimize dmi_matches
Revert "defer call to mem_cgroup_sk_alloc()"
soreuseport: fix mem leak in reuseport_add_sock()
net: qlge: use memmove instead of skb_copy_to_linear_data
net: qed: use correct strncpy() size
net: cxgb4: avoid memcpy beyond end of source buffer
cls_u32: add missing RCU annotation.
r8152: set rx mode early when linking on
...
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index d007b2a15b22..467dfa35bf96 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -245,6 +245,17 @@ config ARCH_TASK_STRUCT_ON_STACK config ARCH_TASK_STRUCT_ALLOCATOR bool +config HAVE_ARCH_THREAD_STRUCT_WHITELIST + bool + depends on !ARCH_TASK_STRUCT_ALLOCATOR + help + An architecture should select this to provide hardened usercopy + knowledge about what region of the thread_struct should be + whitelisted for copying to userspace. Normally this is only the + FPU registers. Specifically, arch_thread_struct_whitelist() + should be implemented. Without this, the entire thread_struct + field in task_struct will be left whitelisted. + # Select if arch has its private alloc_thread_stack() function config ARCH_THREAD_STACK_ALLOCATOR bool |