HAVE_ARCH_HARDENED_USERCOPY is unconditional now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0d4e71b..8a7ab5e 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -41,7 +41,6 @@ config ARM
        select HARDIRQS_SW_RESEND
        select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT)
        select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
-       select HAVE_ARCH_HARDENED_USERCOPY
        select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
        select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
        select HAVE_ARCH_MMAP_RND_BITS if MMU

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 3741859..b88550a 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -60,7 +60,6 @@ config ARM64
        select HAVE_ALIGNED_STRUCT_PAGE if SLUB
        select HAVE_ARCH_AUDITSYSCALL
        select HAVE_ARCH_BITREVERSE
-       select HAVE_ARCH_HARDENED_USERCOPY
        select HAVE_ARCH_HUGE_VMAP
        select HAVE_ARCH_JUMP_LABEL
        select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 18ca6a9..6a15083 100644 (file)
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -52,7 +52,6 @@ config IA64
        select MODULES_USE_ELF_RELA
        select ARCH_USE_CMPXCHG_LOCKREF
        select HAVE_ARCH_AUDITSYSCALL
-       select HAVE_ARCH_HARDENED_USERCOPY
        default y
        help
          The Itanium Processor Family is Intel's 64-bit successor to

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a008a9f..81ce5b4 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -68,7 +68,6 @@ config MIPS
        select HANDLE_DOMAIN_IRQ
        select HAVE_EXIT_THREAD
        select HAVE_REGS_AND_STACK_ACCESS_API
-       select HAVE_ARCH_HARDENED_USERCOPY
 
 menu "Machine selection"
 

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index ad294b3..531da9e 100644 (file)
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -26,7 +26,6 @@ config PARISC
        select SYSCTL_ARCH_UNALIGN_ALLOW
        select SYSCTL_EXCEPTION_TRACE
        select HAVE_MOD_ARCH_SPECIFIC
-       select HAVE_ARCH_HARDENED_USERCOPY
        select VIRT_TO_BUS
        select MODULES_USE_ELF_RELA
        select CLONE_BACKWARDS

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 97a8bc8..0533826 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -117,7 +117,6 @@ config PPC
        select GENERIC_STRNLEN_USER
        select GENERIC_TIME_VSYSCALL_OLD
        select HAVE_ARCH_AUDITSYSCALL
-       select HAVE_ARCH_HARDENED_USERCOPY
        select HAVE_ARCH_JUMP_LABEL
        select HAVE_ARCH_KGDB
        select HAVE_ARCH_SECCOMP_FILTER

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a2dcef0..b8b1434 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -124,7 +124,6 @@ config S390
        select HAVE_ALIGNED_STRUCT_PAGE if SLUB
        select HAVE_ARCH_AUDITSYSCALL
        select HAVE_ARCH_EARLY_PFN_TO_NID
-       select HAVE_ARCH_HARDENED_USERCOPY
        select HAVE_ARCH_JUMP_LABEL
        select CPU_NO_EFFICIENT_FFS if !HAVE_MARCH_Z9_109_FEATURES
        select HAVE_ARCH_SECCOMP_FILTER

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 68ac5c7..b577dbf 100644 (file)
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -42,7 +42,6 @@ config SPARC
        select OLD_SIGSUSPEND
        select ARCH_HAS_SG_CHAIN
        select CPU_NO_EFFICIENT_FFS
-       select HAVE_ARCH_HARDENED_USERCOPY
        select PROVE_LOCKING_SMALL if PROVE_LOCKING
        select ARCH_WANT_RELAX_ORDER
 

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cc98d5a..1d50fdf 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -98,7 +98,6 @@ config X86
        select HAVE_ACPI_APEI_NMI               if ACPI
        select HAVE_ALIGNED_STRUCT_PAGE         if SLUB
        select HAVE_ARCH_AUDITSYSCALL
-       select HAVE_ARCH_HARDENED_USERCOPY
        select HAVE_ARCH_HUGE_VMAP              if X86_64 || X86_PAE
        select HAVE_ARCH_JUMP_LABEL
        select HAVE_ARCH_KASAN                  if X86_64 && SPARSEMEM_VMEMMAP

diff --git a/security/Kconfig b/security/Kconfig
index d900f47..213df4d 100644 (file)
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -125,17 +125,8 @@ config HAVE_HARDENED_USERCOPY_ALLOCATOR
          validating memory ranges against heap object sizes in
          support of CONFIG_HARDENED_USERCOPY.
 
-config HAVE_ARCH_HARDENED_USERCOPY
-       bool
-       help
-         The architecture supports CONFIG_HARDENED_USERCOPY by
-         calling check_object_size() just before performing the
-         userspace copies in the low level implementation of
-         copy_to_user() and copy_from_user().
-
 config HARDENED_USERCOPY
        bool "Harden memory copies between kernel and userspace"
-       depends on HAVE_ARCH_HARDENED_USERCOPY
        depends on HAVE_HARDENED_USERCOPY_ALLOCATOR
        select BUG
        help