From: Viresh Kumar <viresh.kumar@linaro.org> To: stable@vger.kernel.org, Julien Thierry <Julien.Thierry@arm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org>, linux-arm-kernel@lists.infradead.org, Catalin Marinas <catalin.marinas@arm.com>, Marc Zyngier <marc.zyngier@arm.com>, Mark Rutland <mark.rutland@arm.com>, Will Deacon <will.deacon@arm.com>, Russell King <rmk+kernel@arm.linux.org.uk>, Vincent Guittot <vincent.guittot@linaro.org>, mark.brown@arm.com Subject: [PATCH v4.4 V2 11/43] arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user Date: Fri, 12 Jul 2019 10:57:59 +0530 [thread overview] Message-ID: <7d56c56af2f883958d5e74fa3178a1f774b9fd94.1562908075.git.viresh.kumar@linaro.org> (raw) In-Reply-To: <cover.1562908074.git.viresh.kumar@linaro.org> From: Will Deacon <will.deacon@arm.com> commit f71c2ffcb20dd8626880747557014bb9a61eb90e upstream. Like we've done for get_user and put_user, ensure that user pointers are masked before invoking the underlying __arch_{clear,copy_*}_user operations. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> [ v4.4: fixup for v4.4 style uaccess primitives ] Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- arch/arm64/include/asm/uaccess.h | 20 ++++++++++++-------- arch/arm64/kernel/arm64ksyms.c | 4 ++-- arch/arm64/lib/clear_user.S | 6 +++--- arch/arm64/lib/copy_in_user.S | 4 ++-- 4 files changed, 19 insertions(+), 15 deletions(-) diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index 693a0d784534..a25b8726ffa9 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -303,19 +303,20 @@ do { \ extern unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n); extern unsigned long __must_check __arch_copy_to_user(void __user *to, const void *from, unsigned long n); -extern unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned long n); -extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n); +extern unsigned long __must_check __arch_copy_in_user(void __user *to, const void __user *from, unsigned long n); static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n) { kasan_check_write(to, n); - return __arch_copy_from_user(to, from, n); + return __arch_copy_from_user(to, __uaccess_mask_ptr(from), n); + } static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { kasan_check_read(from, n); - return __arch_copy_to_user(to, from, n); + return __arch_copy_to_user(__uaccess_mask_ptr(to), from, n); + } static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) @@ -338,22 +339,25 @@ static inline unsigned long __must_check copy_to_user(void __user *to, const voi return n; } -static inline unsigned long __must_check copy_in_user(void __user *to, const void __user *from, unsigned long n) +static inline unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned long n) { if (access_ok(VERIFY_READ, from, n) && access_ok(VERIFY_WRITE, to, n)) - n = __copy_in_user(to, from, n); + n = __arch_copy_in_user(__uaccess_mask_ptr(to), __uaccess_mask_ptr(from), n); return n; } +#define copy_in_user __copy_in_user #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user -static inline unsigned long __must_check clear_user(void __user *to, unsigned long n) +extern unsigned long __must_check __arch_clear_user(void __user *to, unsigned long n); +static inline unsigned long __must_check __clear_user(void __user *to, unsigned long n) { if (access_ok(VERIFY_WRITE, to, n)) - n = __clear_user(__uaccess_mask_ptr(to), n); + n = __arch_clear_user(__uaccess_mask_ptr(to), n); return n; } +#define clear_user __clear_user extern long strncpy_from_user(char *dest, const char __user *src, long count); diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c index c654df05b7d7..abe4e0984dbb 100644 --- a/arch/arm64/kernel/arm64ksyms.c +++ b/arch/arm64/kernel/arm64ksyms.c @@ -35,8 +35,8 @@ EXPORT_SYMBOL(clear_page); /* user mem (segment) */ EXPORT_SYMBOL(__arch_copy_from_user); EXPORT_SYMBOL(__arch_copy_to_user); -EXPORT_SYMBOL(__clear_user); -EXPORT_SYMBOL(__copy_in_user); +EXPORT_SYMBOL(__arch_clear_user); +EXPORT_SYMBOL(__arch_copy_in_user); /* physical memory */ EXPORT_SYMBOL(memstart_addr); diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S index a9723c71c52b..fc6bb0f83511 100644 --- a/arch/arm64/lib/clear_user.S +++ b/arch/arm64/lib/clear_user.S @@ -24,7 +24,7 @@ .text -/* Prototype: int __clear_user(void *addr, size_t sz) +/* Prototype: int __arch_clear_user(void *addr, size_t sz) * Purpose : clear some user memory * Params : addr - user memory address to clear * : sz - number of bytes to clear @@ -32,7 +32,7 @@ * * Alignment fixed up by hardware. */ -ENTRY(__clear_user) +ENTRY(__arch_clear_user) ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(0)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) mov x2, x1 // save the size for fixup return @@ -57,7 +57,7 @@ USER(9f, strb wzr, [x0] ) ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(1)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) ret -ENDPROC(__clear_user) +ENDPROC(__arch_clear_user) .section .fixup,"ax" .align 2 diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S index 81c8fc93c100..0219aa85b3cc 100644 --- a/arch/arm64/lib/copy_in_user.S +++ b/arch/arm64/lib/copy_in_user.S @@ -67,7 +67,7 @@ .endm end .req x5 -ENTRY(__copy_in_user) +ENTRY(__arch_copy_in_user) ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(0)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) add end, x0, x2 @@ -76,7 +76,7 @@ ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(1)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) mov x0, #0 ret -ENDPROC(__copy_in_user) +ENDPROC(__arch_copy_in_user) .section .fixup,"ax" .align 2 -- 2.21.0.rc0.269.g1a574e7a288b
WARNING: multiple messages have this Message-ID (diff)
From: Viresh Kumar <viresh.kumar@linaro.org> To: stable@vger.kernel.org, Julien Thierry <Julien.Thierry@arm.com> Cc: Mark Rutland <mark.rutland@arm.com>, Marc Zyngier <marc.zyngier@arm.com>, Viresh Kumar <viresh.kumar@linaro.org>, Will Deacon <will.deacon@arm.com>, mark.brown@arm.com, Catalin Marinas <catalin.marinas@arm.com>, Russell King <rmk+kernel@arm.linux.org.uk>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4.4 V2 11/43] arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user Date: Fri, 12 Jul 2019 10:57:59 +0530 [thread overview] Message-ID: <7d56c56af2f883958d5e74fa3178a1f774b9fd94.1562908075.git.viresh.kumar@linaro.org> (raw) In-Reply-To: <cover.1562908074.git.viresh.kumar@linaro.org> From: Will Deacon <will.deacon@arm.com> commit f71c2ffcb20dd8626880747557014bb9a61eb90e upstream. Like we've done for get_user and put_user, ensure that user pointers are masked before invoking the underlying __arch_{clear,copy_*}_user operations. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> [ v4.4: fixup for v4.4 style uaccess primitives ] Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- arch/arm64/include/asm/uaccess.h | 20 ++++++++++++-------- arch/arm64/kernel/arm64ksyms.c | 4 ++-- arch/arm64/lib/clear_user.S | 6 +++--- arch/arm64/lib/copy_in_user.S | 4 ++-- 4 files changed, 19 insertions(+), 15 deletions(-) diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index 693a0d784534..a25b8726ffa9 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -303,19 +303,20 @@ do { \ extern unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n); extern unsigned long __must_check __arch_copy_to_user(void __user *to, const void *from, unsigned long n); -extern unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned long n); -extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n); +extern unsigned long __must_check __arch_copy_in_user(void __user *to, const void __user *from, unsigned long n); static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n) { kasan_check_write(to, n); - return __arch_copy_from_user(to, from, n); + return __arch_copy_from_user(to, __uaccess_mask_ptr(from), n); + } static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { kasan_check_read(from, n); - return __arch_copy_to_user(to, from, n); + return __arch_copy_to_user(__uaccess_mask_ptr(to), from, n); + } static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) @@ -338,22 +339,25 @@ static inline unsigned long __must_check copy_to_user(void __user *to, const voi return n; } -static inline unsigned long __must_check copy_in_user(void __user *to, const void __user *from, unsigned long n) +static inline unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned long n) { if (access_ok(VERIFY_READ, from, n) && access_ok(VERIFY_WRITE, to, n)) - n = __copy_in_user(to, from, n); + n = __arch_copy_in_user(__uaccess_mask_ptr(to), __uaccess_mask_ptr(from), n); return n; } +#define copy_in_user __copy_in_user #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user -static inline unsigned long __must_check clear_user(void __user *to, unsigned long n) +extern unsigned long __must_check __arch_clear_user(void __user *to, unsigned long n); +static inline unsigned long __must_check __clear_user(void __user *to, unsigned long n) { if (access_ok(VERIFY_WRITE, to, n)) - n = __clear_user(__uaccess_mask_ptr(to), n); + n = __arch_clear_user(__uaccess_mask_ptr(to), n); return n; } +#define clear_user __clear_user extern long strncpy_from_user(char *dest, const char __user *src, long count); diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c index c654df05b7d7..abe4e0984dbb 100644 --- a/arch/arm64/kernel/arm64ksyms.c +++ b/arch/arm64/kernel/arm64ksyms.c @@ -35,8 +35,8 @@ EXPORT_SYMBOL(clear_page); /* user mem (segment) */ EXPORT_SYMBOL(__arch_copy_from_user); EXPORT_SYMBOL(__arch_copy_to_user); -EXPORT_SYMBOL(__clear_user); -EXPORT_SYMBOL(__copy_in_user); +EXPORT_SYMBOL(__arch_clear_user); +EXPORT_SYMBOL(__arch_copy_in_user); /* physical memory */ EXPORT_SYMBOL(memstart_addr); diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S index a9723c71c52b..fc6bb0f83511 100644 --- a/arch/arm64/lib/clear_user.S +++ b/arch/arm64/lib/clear_user.S @@ -24,7 +24,7 @@ .text -/* Prototype: int __clear_user(void *addr, size_t sz) +/* Prototype: int __arch_clear_user(void *addr, size_t sz) * Purpose : clear some user memory * Params : addr - user memory address to clear * : sz - number of bytes to clear @@ -32,7 +32,7 @@ * * Alignment fixed up by hardware. */ -ENTRY(__clear_user) +ENTRY(__arch_clear_user) ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(0)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) mov x2, x1 // save the size for fixup return @@ -57,7 +57,7 @@ USER(9f, strb wzr, [x0] ) ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(1)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) ret -ENDPROC(__clear_user) +ENDPROC(__arch_clear_user) .section .fixup,"ax" .align 2 diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S index 81c8fc93c100..0219aa85b3cc 100644 --- a/arch/arm64/lib/copy_in_user.S +++ b/arch/arm64/lib/copy_in_user.S @@ -67,7 +67,7 @@ .endm end .req x5 -ENTRY(__copy_in_user) +ENTRY(__arch_copy_in_user) ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(0)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) add end, x0, x2 @@ -76,7 +76,7 @@ ALTERNATIVE("nop", __stringify(SET_PSTATE_PAN(1)), ARM64_HAS_PAN, \ CONFIG_ARM64_PAN) mov x0, #0 ret -ENDPROC(__copy_in_user) +ENDPROC(__arch_copy_in_user) .section .fixup,"ax" .align 2 -- 2.21.0.rc0.269.g1a574e7a288b _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-07-12 5:29 UTC|newest] Thread overview: 136+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-12 5:27 [PATCH v4.4 V2 00/43] V4.4 backport of arm64 Spectre patches Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 01/43] arm64: barrier: Add CSDB macros to control data-value prediction Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 02/43] arm64: Implement array_index_mask_nospec() Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 03/43] arm64: move TASK_* definitions to <asm/processor.h> Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 04/43] arm64: Make USER_DS an inclusive limit Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 05/43] arm64: Use pointer masking to limit uaccess speculation Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 06/43] arm64: entry: Ensure branch through syscall table is bounded under speculation Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 07/43] arm64: uaccess: Prevent speculative use of the current addr_limit Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 08/43] arm64: uaccess: Don't bother eliding access_ok checks in __{get, put}_user Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 09/43] mm/kasan: add API to check memory regions Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` [PATCH v4.4 V2 10/43] arm64: kasan: instrument user memory access API Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar 2019-07-12 5:27 ` Viresh Kumar [this message] 2019-07-12 5:27 ` [PATCH v4.4 V2 11/43] arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user Viresh Kumar 2019-07-31 12:37 ` Mark Rutland 2019-07-31 12:37 ` Mark Rutland 2019-08-01 3:38 ` Viresh Kumar 2019-08-01 3:38 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 12/43] arm64: cpufeature: Test 'matches' pointer to find the end of the list Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 13/43] arm64: cpufeature: Add scope for capability check Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 14/43] arm64: Introduce cpu_die_early Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 15/43] arm64: Move cpu_die_early to smp.c Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-31 12:35 ` Mark Rutland 2019-07-31 12:35 ` Mark Rutland 2019-08-01 3:35 ` Viresh Kumar 2019-08-01 3:35 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 16/43] arm64: Verify CPU errata work arounds on hotplugged CPU Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 17/43] arm64: errata: Calling enable functions for CPU errata too Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 18/43] arm64: Rearrange CPU errata workaround checks Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 19/43] arm64: Run enable method for errata work arounds on late CPUs Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 20/43] arm64: cpufeature: Pass capability structure to ->enable callback Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 21/43] drivers/firmware: Expose psci_get_version through psci_ops structure Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 22/43] arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 23/43] arm64: Move post_ttbr_update_workaround to C code Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 24/43] arm64: Add skeleton to harden the branch predictor against aliasing attacks Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-31 16:45 ` Mark Rutland 2019-07-31 16:45 ` Mark Rutland 2019-08-01 5:20 ` Viresh Kumar 2019-08-01 5:20 ` Viresh Kumar 2019-08-06 12:18 ` Mark Rutland 2019-08-06 12:18 ` Mark Rutland 2019-08-08 12:06 ` Viresh Kumar 2019-08-08 12:06 ` Viresh Kumar 2019-08-28 10:23 ` Viresh Kumar 2019-08-28 10:23 ` Viresh Kumar 2019-08-28 16:08 ` Mark Rutland 2019-08-28 16:08 ` Mark Rutland 2019-07-12 5:28 ` [PATCH v4.4 V2 25/43] arm64: Move BP hardening to check_and_switch_context Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-31 13:09 ` Julien Thierry 2019-07-31 13:09 ` Julien Thierry 2019-08-01 5:09 ` Viresh Kumar 2019-08-01 5:09 ` Viresh Kumar 2019-08-01 6:30 ` Julien Thierry 2019-08-01 6:30 ` Julien Thierry 2019-08-01 6:35 ` Viresh Kumar 2019-08-01 6:35 ` Viresh Kumar 2019-08-01 6:57 ` Greg KH 2019-08-01 6:57 ` Greg KH 2019-08-01 7:05 ` Viresh Kumar 2019-08-01 7:05 ` Viresh Kumar 2019-08-01 7:34 ` Will Deacon 2019-08-01 7:34 ` Will Deacon 2019-08-01 7:41 ` Viresh Kumar 2019-08-01 7:41 ` Viresh Kumar 2019-08-01 8:43 ` Greg KH 2019-08-01 8:43 ` Greg KH 2019-08-01 8:49 ` Julien Thierry 2019-08-01 8:49 ` Julien Thierry 2019-07-12 5:28 ` [PATCH v4.4 V2 26/43] arm64: entry: Apply BP hardening for high-priority synchronous exceptions Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 27/43] arm64: entry: Apply BP hardening for suspicious interrupts from EL0 Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 28/43] arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75 Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 29/43] arm64: cpu_errata: Allow an erratum to be match for all revisions of a core Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 30/43] arm64: Implement branch predictor hardening for affected Cortex-A CPUs Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 31/43] arm64: cputype info for Broadcom Vulcan Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 32/43] arm64: cputype: Add MIDR values for Cavium ThunderX2 CPUs Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 33/43] arm64: Branch predictor hardening for Cavium ThunderX2 Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 34/43] ARM: 8478/2: arm/arm64: add arm-smccc Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 35/43] arm/arm64: KVM: Advertise SMCCC v1.1 Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 36/43] arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 37/43] firmware/psci: Expose PSCI conduit Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 38/43] firmware/psci: Expose SMCCC version through psci_ops Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 39/43] arm/arm64: smccc: Make function identifiers an unsigned quantity Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 40/43] arm/arm64: smccc: Implement SMCCC v1.1 inline primitive Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 41/43] arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 42/43] arm64: Kill PSCI_GET_VERSION as a variant-2 workaround Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-12 5:28 ` [PATCH v4.4 V2 43/43] arm64: futex: Mask __user pointers prior to dereference Viresh Kumar 2019-07-12 5:28 ` Viresh Kumar 2019-07-15 13:09 ` [PATCH v4.4 V2 00/43] V4.4 backport of arm64 Spectre patches Mark Rutland 2019-07-15 13:09 ` Mark Rutland 2019-07-16 3:44 ` Viresh Kumar 2019-07-16 3:44 ` Viresh Kumar 2019-07-31 2:52 ` Viresh Kumar 2019-07-31 2:52 ` Viresh Kumar 2019-07-31 17:02 ` Mark Rutland 2019-07-31 17:02 ` Mark Rutland
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