From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Andy Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@linux.intel.com>, Binutils <binutils@sourceware.org>, Borislav Petkov <bp@alien8.de>, "H.J. Lu" <hjl.tools@gmail.com>, Jan Beulich <JBeulich@suse.com>, Linus Torvalds <torvalds@linux-foundation.org>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org> Subject: [PATCH 4.0 063/105] x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers Date: Fri, 19 Jun 2015 13:35:53 -0700 [thread overview] Message-ID: <20150619203600.049309805@linuxfoundation.org> (raw) In-Reply-To: <20150619203558.187802739@linuxfoundation.org> 4.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Andy Lutomirski <luto@kernel.org> commit 425be5679fd292a3c36cb1fe423086708a99f11a upstream. The early_idt_handlers asm code generates an array of entry points spaced nine bytes apart. It's not really clear from that code or from the places that reference it what's going on, and the code only works in the first place because GAS never generates two-byte JMP instructions when jumping to global labels. Clean up the code to generate the correct array stride (member size) explicitly. This should be considerably more robust against screw-ups, as GAS will warn if a .fill directive has a negative count. Using '. =' to advance would have been even more robust (it would generate an actual error if it tried to move backwards), but it would pad with nulls, confusing anyone who tries to disassemble the code. The new scheme should be much clearer to future readers. While we're at it, improve the comments and rename the array and common code. Binutils may start relaxing jumps to non-weak labels. If so, this change will fix our build, and we may need to backport this change. Before, on x86_64: 0000000000000000 <early_idt_handlers>: 0: 6a 00 pushq $0x0 2: 6a 00 pushq $0x0 4: e9 00 00 00 00 jmpq 9 <early_idt_handlers+0x9> 5: R_X86_64_PC32 early_idt_handler-0x4 ... 48: 66 90 xchg %ax,%ax 4a: 6a 08 pushq $0x8 4c: e9 00 00 00 00 jmpq 51 <early_idt_handlers+0x51> 4d: R_X86_64_PC32 early_idt_handler-0x4 ... 117: 6a 00 pushq $0x0 119: 6a 1f pushq $0x1f 11b: e9 00 00 00 00 jmpq 120 <early_idt_handler> 11c: R_X86_64_PC32 early_idt_handler-0x4 After: 0000000000000000 <early_idt_handler_array>: 0: 6a 00 pushq $0x0 2: 6a 00 pushq $0x0 4: e9 14 01 00 00 jmpq 11d <early_idt_handler_common> ... 48: 6a 08 pushq $0x8 4a: e9 d1 00 00 00 jmpq 120 <early_idt_handler_common> 4f: cc int3 50: cc int3 ... 117: 6a 00 pushq $0x0 119: 6a 1f pushq $0x1f 11b: eb 03 jmp 120 <early_idt_handler_common> 11d: cc int3 11e: cc int3 11f: cc int3 Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Binutils <binutils@sourceware.org> Cc: Borislav Petkov <bp@alien8.de> Cc: H.J. Lu <hjl.tools@gmail.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/ac027962af343b0c599cbfcf50b945ad2ef3d7a8.1432336324.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/include/asm/segment.h | 15 +++++++++++++-- arch/x86/kernel/head64.c | 2 +- arch/x86/kernel/head_32.S | 33 ++++++++++++++++++--------------- arch/x86/kernel/head_64.S | 20 +++++++++++--------- 4 files changed, 43 insertions(+), 27 deletions(-) --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -200,10 +200,21 @@ #define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8) #ifdef __KERNEL__ + +/* + * early_idt_handler_array is an array of entry points referenced in the + * early IDT. For simplicity, it's a real array with one entry point + * every nine bytes. That leaves room for an optional 'push $0' if the + * vector has no error code (two bytes), a 'push $vector_number' (two + * bytes), and a jump to the common entry code (up to five bytes). + */ +#define EARLY_IDT_HANDLER_SIZE 9 + #ifndef __ASSEMBLY__ -extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][2+2+5]; + +extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE]; #ifdef CONFIG_TRACING -#define trace_early_idt_handlers early_idt_handlers +# define trace_early_idt_handler_array early_idt_handler_array #endif /* --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -167,7 +167,7 @@ asmlinkage __visible void __init x86_64_ clear_bss(); for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) - set_intr_gate(i, early_idt_handlers[i]); + set_intr_gate(i, early_idt_handler_array[i]); load_idt((const struct desc_ptr *)&idt_descr); copy_bootdata(__va(real_mode_data)); --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -477,21 +477,22 @@ is486: __INIT setup_once: /* - * Set up a idt with 256 entries pointing to ignore_int, - * interrupt gates. It doesn't actually load idt - that needs - * to be done on each CPU. Interrupts are enabled elsewhere, - * when we can be relatively sure everything is ok. + * Set up a idt with 256 interrupt gates that push zero if there + * is no error code and then jump to early_idt_handler_common. + * It doesn't actually load the idt - that needs to be done on + * each CPU. Interrupts are enabled elsewhere, when we can be + * relatively sure everything is ok. */ movl $idt_table,%edi - movl $early_idt_handlers,%eax + movl $early_idt_handler_array,%eax movl $NUM_EXCEPTION_VECTORS,%ecx 1: movl %eax,(%edi) movl %eax,4(%edi) /* interrupt gate, dpl=0, present */ movl $(0x8E000000 + __KERNEL_CS),2(%edi) - addl $9,%eax + addl $EARLY_IDT_HANDLER_SIZE,%eax addl $8,%edi loop 1b @@ -523,26 +524,28 @@ setup_once: andl $0,setup_once_ref /* Once is enough, thanks */ ret -ENTRY(early_idt_handlers) +ENTRY(early_idt_handler_array) # 36(%esp) %eflags # 32(%esp) %cs # 28(%esp) %eip # 24(%rsp) error code i = 0 .rept NUM_EXCEPTION_VECTORS - .if (EXCEPTION_ERRCODE_MASK >> i) & 1 - ASM_NOP2 - .else + .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 pushl $0 # Dummy error code, to make stack frame uniform .endif pushl $i # 20(%esp) Vector number - jmp early_idt_handler + jmp early_idt_handler_common i = i + 1 + .fill early_idt_handler_array + i*EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc .endr -ENDPROC(early_idt_handlers) +ENDPROC(early_idt_handler_array) - /* This is global to keep gas from relaxing the jumps */ -ENTRY(early_idt_handler) +early_idt_handler_common: + /* + * The stack is the hardware frame, an error code or zero, and the + * vector number. + */ cld cmpl $2,(%esp) # X86_TRAP_NMI @@ -602,7 +605,7 @@ ex_entry: is_nmi: addl $8,%esp /* drop vector number and error code */ iret -ENDPROC(early_idt_handler) +ENDPROC(early_idt_handler_common) /* This is the default interrupt "handler" :-) */ ALIGN --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -321,26 +321,28 @@ bad_address: jmp bad_address __INIT - .globl early_idt_handlers -early_idt_handlers: +ENTRY(early_idt_handler_array) # 104(%rsp) %rflags # 96(%rsp) %cs # 88(%rsp) %rip # 80(%rsp) error code i = 0 .rept NUM_EXCEPTION_VECTORS - .if (EXCEPTION_ERRCODE_MASK >> i) & 1 - ASM_NOP2 - .else + .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 pushq $0 # Dummy error code, to make stack frame uniform .endif pushq $i # 72(%rsp) Vector number - jmp early_idt_handler + jmp early_idt_handler_common i = i + 1 + .fill early_idt_handler_array + i*EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc .endr +ENDPROC(early_idt_handler_array) -/* This is global to keep gas from relaxing the jumps */ -ENTRY(early_idt_handler) +early_idt_handler_common: + /* + * The stack is the hardware frame, an error code or zero, and the + * vector number. + */ cld cmpl $2,(%rsp) # X86_TRAP_NMI @@ -412,7 +414,7 @@ ENTRY(early_idt_handler) is_nmi: addq $16,%rsp # drop vector number and error code INTERRUPT_RETURN -ENDPROC(early_idt_handler) +ENDPROC(early_idt_handler_common) __INITDATA -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Andy Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@linux.intel.com>, Binutils <binutils@sourceware.org>, Borislav Petkov <bp@alien8.de>, "H.J. Lu" <hjl.tools@gmail.com>, Jan Beulich <JBeulich@suse.com>, Linus Torvalds <torvalds@linux-foundation.org>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org> Subject: [PATCH 4.0 063/105] x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers Date: Fri, 19 Jun 2015 13:35:53 -0700 [thread overview] Message-ID: <20150619203600.049309805@linuxfoundation.org> (raw) In-Reply-To: <20150619203558.187802739@linuxfoundation.org> 4.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Andy Lutomirski <luto@kernel.org> commit 425be5679fd292a3c36cb1fe423086708a99f11a upstream. The early_idt_handlers asm code generates an array of entry points spaced nine bytes apart. It's not really clear from that code or from the places that reference it what's going on, and the code only works in the first place because GAS never generates two-byte JMP instructions when jumping to global labels. Clean up the code to generate the correct array stride (member size) explicitly. This should be considerably more robust against screw-ups, as GAS will warn if a .fill directive has a negative count. Using '. =' to advance would have been even more robust (it would generate an actual error if it tried to move backwards), but it would pad with nulls, confusing anyone who tries to disassemble the code. The new scheme should be much clearer to future readers. While we're at it, improve the comments and rename the array and common code. Binutils may start relaxing jumps to non-weak labels. If so, this change will fix our build, and we may need to backport this change. Before, on x86_64: 0000000000000000 <early_idt_handlers>: 0: 6a 00 pushq $0x0 2: 6a 00 pushq $0x0 4: e9 00 00 00 00 jmpq 9 <early_idt_handlers+0x9> 5: R_X86_64_PC32 early_idt_handler-0x4 ... 48: 66 90 xchg %ax,%ax 4a: 6a 08 pushq $0x8 4c: e9 00 00 00 00 jmpq 51 <early_idt_handlers+0x51> 4d: R_X86_64_PC32 early_idt_handler-0x4 ... 117: 6a 00 pushq $0x0 119: 6a 1f pushq $0x1f 11b: e9 00 00 00 00 jmpq 120 <early_idt_handler> 11c: R_X86_64_PC32 early_idt_handler-0x4 After: 0000000000000000 <early_idt_handler_array>: 0: 6a 00 pushq $0x0 2: 6a 00 pushq $0x0 4: e9 14 01 00 00 jmpq 11d <early_idt_handler_common> ... 48: 6a 08 pushq $0x8 4a: e9 d1 00 00 00 jmpq 120 <early_idt_handler_common> 4f: cc int3 50: cc int3 ... 117: 6a 00 pushq $0x0 119: 6a 1f pushq $0x1f 11b: eb 03 jmp 120 <early_idt_handler_common> 11d: cc int3 11e: cc int3 11f: cc int3 Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Binutils <binutils@sourceware.org> Cc: Borislav Petkov <bp@alien8.de> Cc: H.J. Lu <hjl.tools@gmail.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/ac027962af343b0c599cbfcf50b945ad2ef3d7a8.1432336324.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/include/asm/segment.h | 15 +++++++++++++-- arch/x86/kernel/head64.c | 2 +- arch/x86/kernel/head_32.S | 33 ++++++++++++++++++--------------- arch/x86/kernel/head_64.S | 20 +++++++++++--------- 4 files changed, 43 insertions(+), 27 deletions(-) --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -200,10 +200,21 @@ #define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8) #ifdef __KERNEL__ + +/* + * early_idt_handler_array is an array of entry points referenced in the + * early IDT. For simplicity, it's a real array with one entry point + * every nine bytes. That leaves room for an optional 'push $0' if the + * vector has no error code (two bytes), a 'push $vector_number' (two + * bytes), and a jump to the common entry code (up to five bytes). + */ +#define EARLY_IDT_HANDLER_SIZE 9 + #ifndef __ASSEMBLY__ -extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][2+2+5]; + +extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE]; #ifdef CONFIG_TRACING -#define trace_early_idt_handlers early_idt_handlers +# define trace_early_idt_handler_array early_idt_handler_array #endif /* --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -167,7 +167,7 @@ asmlinkage __visible void __init x86_64_ clear_bss(); for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) - set_intr_gate(i, early_idt_handlers[i]); + set_intr_gate(i, early_idt_handler_array[i]); load_idt((const struct desc_ptr *)&idt_descr); copy_bootdata(__va(real_mode_data)); --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -477,21 +477,22 @@ is486: __INIT setup_once: /* - * Set up a idt with 256 entries pointing to ignore_int, - * interrupt gates. It doesn't actually load idt - that needs - * to be done on each CPU. Interrupts are enabled elsewhere, - * when we can be relatively sure everything is ok. + * Set up a idt with 256 interrupt gates that push zero if there + * is no error code and then jump to early_idt_handler_common. + * It doesn't actually load the idt - that needs to be done on + * each CPU. Interrupts are enabled elsewhere, when we can be + * relatively sure everything is ok. */ movl $idt_table,%edi - movl $early_idt_handlers,%eax + movl $early_idt_handler_array,%eax movl $NUM_EXCEPTION_VECTORS,%ecx 1: movl %eax,(%edi) movl %eax,4(%edi) /* interrupt gate, dpl=0, present */ movl $(0x8E000000 + __KERNEL_CS),2(%edi) - addl $9,%eax + addl $EARLY_IDT_HANDLER_SIZE,%eax addl $8,%edi loop 1b @@ -523,26 +524,28 @@ setup_once: andl $0,setup_once_ref /* Once is enough, thanks */ ret -ENTRY(early_idt_handlers) +ENTRY(early_idt_handler_array) # 36(%esp) %eflags # 32(%esp) %cs # 28(%esp) %eip # 24(%rsp) error code i = 0 .rept NUM_EXCEPTION_VECTORS - .if (EXCEPTION_ERRCODE_MASK >> i) & 1 - ASM_NOP2 - .else + .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 pushl $0 # Dummy error code, to make stack frame uniform .endif pushl $i # 20(%esp) Vector number - jmp early_idt_handler + jmp early_idt_handler_common i = i + 1 + .fill early_idt_handler_array + i*EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc .endr -ENDPROC(early_idt_handlers) +ENDPROC(early_idt_handler_array) - /* This is global to keep gas from relaxing the jumps */ -ENTRY(early_idt_handler) +early_idt_handler_common: + /* + * The stack is the hardware frame, an error code or zero, and the + * vector number. + */ cld cmpl $2,(%esp) # X86_TRAP_NMI @@ -602,7 +605,7 @@ ex_entry: is_nmi: addl $8,%esp /* drop vector number and error code */ iret -ENDPROC(early_idt_handler) +ENDPROC(early_idt_handler_common) /* This is the default interrupt "handler" :-) */ ALIGN --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -321,26 +321,28 @@ bad_address: jmp bad_address __INIT - .globl early_idt_handlers -early_idt_handlers: +ENTRY(early_idt_handler_array) # 104(%rsp) %rflags # 96(%rsp) %cs # 88(%rsp) %rip # 80(%rsp) error code i = 0 .rept NUM_EXCEPTION_VECTORS - .if (EXCEPTION_ERRCODE_MASK >> i) & 1 - ASM_NOP2 - .else + .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 pushq $0 # Dummy error code, to make stack frame uniform .endif pushq $i # 72(%rsp) Vector number - jmp early_idt_handler + jmp early_idt_handler_common i = i + 1 + .fill early_idt_handler_array + i*EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc .endr +ENDPROC(early_idt_handler_array) -/* This is global to keep gas from relaxing the jumps */ -ENTRY(early_idt_handler) +early_idt_handler_common: + /* + * The stack is the hardware frame, an error code or zero, and the + * vector number. + */ cld cmpl $2,(%rsp) # X86_TRAP_NMI @@ -412,7 +414,7 @@ ENTRY(early_idt_handler) is_nmi: addq $16,%rsp # drop vector number and error code INTERRUPT_RETURN -ENDPROC(early_idt_handler) +ENDPROC(early_idt_handler_common) __INITDATA -- To unsubscribe from this list: send the line "unsubscribe stable" in
next prev parent reply other threads:[~2015-06-19 21:12 UTC|newest] Thread overview: 212+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-06-19 20:34 [PATCH 4.0 000/105] 4.0.6-stable review Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 001/105] crush: ensuring at most num-rep osds are selected Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 002/105] aio: fix serial draining in exit_aio() Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 003/105] net: core: Correct an over-stringent device loop detection Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 004/105] x86: bpf_jit: fix FROM_BE16 and FROM_LE16/32 instructions Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 005/105] x86: bpf_jit: fix compilation of large bpf programs Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 006/105] net: phy: Allow EEE for all RGMII variants Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 007/105] netlink: Reset portid after netlink_insert failure Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 008/105] rtnl/bond: dont send rtnl msg for unregistered iface Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:34 ` [PATCH 4.0 009/105] tcp/ipv6: fix flow label setting in TIME_WAIT state Greg Kroah-Hartman 2015-06-19 20:34 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 010/105] net/ipv6/udp: Fix ipv6 multicast socket filter regression Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 011/105] net: sched: fix call_rcu() race on classifier module unloads Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 012/105] ipv4: Avoid crashing in ip_error Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 014/105] bridge: fix parsing of MLDv2 reports Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 015/105] net: dp83640: fix broken calibration routine Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 016/105] net: dp83640: reinforce locking rules Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 017/105] net: dp83640: fix improper double spin locking Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 018/105] unix/caif: sk_socket can disappear when state is unlocked Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 019/105] xen/netback: Properly initialize credit_bytes Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 020/105] net_sched: invoke ->attach() after setting dev->qdisc Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 021/105] sctp: Fix mangled IPv4 addresses on a IPv6 listening socket Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 023/105] udp: fix behavior of wrong checksums Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 024/105] tcp: fix child sockets to use system default congestion control if not set Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 025/105] xen: netback: read hotplug script once at start of day Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 026/105] ipv4/udp: Verify multicast group is ours in upd_v4_early_demux() Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 027/105] be2net: Replace dma/pci_alloc_coherent() calls with dma_zalloc_coherent() Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 028/105] bridge: disable softirqs around br_fdb_update to avoid lockup Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 029/105] netlink: Disable insertions/removals during rehash Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 030/105] iio: adc: twl6030-gpadc: Fix modalias Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 031/105] iio: adis16400: Report pressure channel scale Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 032/105] iio: adis16400: Use != channel indices for the two voltage channels Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 033/105] iio: adis16400: Compute the scan mask from channel indices Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 034/105] iio: adis16400: Fix burst mode Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 035/105] iio: adis16400: Fix burst transfer for adis16448 Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 036/105] drivers/base: cacheinfo: handle absence of caches Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 038/105] iommu/vt-d: Allow RMRR on graphics devices too Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 039/105] iommu/vt-d: Fix passthrough mode with translation-disabled devices Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 040/105] ALSA: hda/realtek - Add a fixup for another Acer Aspire 9420 Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 041/105] ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 042/105] ALSA: usb-audio: dont try to get Outlaw RR2150 sample rate Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 043/105] ALSA: usb-audio: add MAYA44 USB+ mixer control names Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 044/105] ALSA: usb-audio: fix missing input volume controls in MAYA44 USB(+) Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 045/105] ALSA: usb-audio: add native DSD support for JLsounds I2SoverUSB Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 046/105] dmaengine: pl330: Fix hang on dmaengine_terminate_all on certain boards Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 047/105] dmaengine: Fix choppy sound because of unimplemented resume Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 048/105] dmaengine: at_xdmac: rework slave configuration part Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 049/105] dmaengine: at_xdmac: lock fixes Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 050/105] i2c: hix5hd2: Fix modalias to make module auto-loading work Greg Kroah-Hartman 2015-06-22 14:23 ` Paul Bolle 2015-06-22 14:23 ` Paul Bolle 2015-06-22 15:43 ` Greg Kroah-Hartman 2015-06-22 15:43 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 051/105] i2c: s3c2410: fix oops in suspend callback for non-dt platforms Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 052/105] Input: alps - do not reduce trackpoint speed by half Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 053/105] Input: synaptics - add min/max quirk for Lenovo S540 Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 055/105] Input: elantech - add new icbody type Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 056/105] block: fix ext_dev_lock lockdep report Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 057/105] block: discard bdi_unregister() in favour of bdi_destroy() Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 058/105] USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 059/105] USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 060/105] usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 061/105] usb: host: xhci: add mutex for non-thread-safe data Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 062/105] usb: make module xhci_hcd removable Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman [this message] 2015-06-19 20:35 ` [PATCH 4.0 063/105] x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 064/105] ring-buffer-benchmark: Fix the wrong sched_priority of producer Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 065/105] MIPS: ralink: Fix clearing the illegal access interrupt Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 066/105] MIPS: Fix enabling of DEBUG_STACKOVERFLOW Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 067/105] MIPS: KVM: Do not sign extend on unsigned MMIO load Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 068/105] ozwpan: Use proper check to prevent heap overflow Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:35 ` [PATCH 4.0 069/105] ozwpan: Use unsigned ints " Greg Kroah-Hartman 2015-06-19 20:35 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 070/105] ozwpan: divide-by-zero leading to panic Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 071/105] ozwpan: unchecked signed subtraction leads to DoS Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 072/105] pata_octeon_cf: fix broken build Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 073/105] ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 074/105] drm/amdkfd: fix topology bug with capability attr Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 075/105] drm/radeon: use proper ACR regisiter for DCE3.2 Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 076/105] drm/i915/hsw: Fix workaround for server AUX channel clock divisor Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 080/105] Revert "drm/radeon: dont share plls if monitors differ in audio support" Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 081/105] Revert "drm/radeon: adjust pll when audio is not enabled" Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 083/105] serial: imx: Fix DMA handling for IDLE condition aborts Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 084/105] of/dynamic: Fix test for PPC_PSERIES Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 085/105] virtio_pci: Clear stale cpumask when setting irq affinity Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 086/105] ata: ahci_mvebu: Fix wrongly set base address for the MBus window setting Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 087/105] bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 088/105] Revert "bus: mvebu-mbus: make sure SDRAM CS for DMA dont overlap the MBus bridge window" Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 089/105] arm64: dts: mt8173-evb: fix model name Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 090/105] mm/memory_hotplug.c: set zone->wait_table to null after freeing it Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 091/105] md: Close race when setting action to idle Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 092/105] md: dont return 0 from array_state_store Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 093/105] sched, numa: do not hint for NUMA balancing on VM_MIXEDMAP mappings Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 094/105] blk-mq: free hctx->ctxs in queues release handler Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 095/105] cfg80211: wext: clear sinfo struct before calling driver Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 096/105] irqchip: sunxi-nmi: Fix off-by-one error in irq iterator Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 097/105] x86/vdso: Fix the x86 vdso2c tool includes Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 098/105] x86/vdso: Fix make bzImage on older distros Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 099/105] Btrfs: send, add missing check for dead clone root Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 100/105] Btrfs: send, dont leave without decrementing clone roots send_progress Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 101/105] btrfs: incorrect handling for fiemap_fill_next_extent return Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 102/105] btrfs: cleanup orphans while looking up default subvolume Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 103/105] Btrfs: fix range cloning when same inode used as source and destination Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 104/105] Btrfs: fix uninit variable in clone ioctl Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-19 20:36 ` [PATCH 4.0 105/105] Btrfs: fix regression in raid level conversion Greg Kroah-Hartman 2015-06-19 20:36 ` Greg Kroah-Hartman 2015-06-20 1:12 ` [PATCH 4.0 000/105] 4.0.6-stable review Shuah Khan 2015-06-20 1:12 ` Shuah Khan 2015-06-22 15:41 ` Greg Kroah-Hartman 2015-06-22 15:41 ` Greg Kroah-Hartman 2015-06-20 1:27 ` Guenter Roeck 2015-06-22 15:42 ` Greg Kroah-Hartman 2015-06-22 15:42 ` Greg Kroah-Hartman 2015-06-20 7:48 ` Sudip Mukherjee 2015-06-20 7:48 ` Sudip Mukherjee 2015-06-22 15:42 ` Greg Kroah-Hartman 2015-06-22 15:42 ` Greg Kroah-Hartman 2015-06-22 16:07 ` Sudip Mukherjee 2015-06-22 16:07 ` Sudip Mukherjee 2015-06-22 16:13 ` Greg Kroah-Hartman 2015-06-22 16:13 ` Greg Kroah-Hartman 2015-06-20 7:58 ` Heinz Diehl 2015-06-20 7:58 ` Heinz Diehl 2015-06-20 14:43 ` Greg Kroah-Hartman 2015-06-20 14:43 ` Greg Kroah-Hartman 2015-06-20 17:18 ` Heinz Diehl 2015-06-20 17:18 ` Heinz Diehl 2015-06-20 19:16 ` Greg Kroah-Hartman 2015-06-20 19:16 ` Greg Kroah-Hartman [not found] ` <20150619203600.449494173@linuxfoundation.org> 2015-06-23 7:29 ` [PATCH 4.0 077/105] drm/i915: Dont skip request retirement if the active list is empty Jani Nikula 2015-06-23 7:29 ` Jani Nikula 2015-06-24 14:58 ` Greg Kroah-Hartman 2015-06-24 14:58 ` Greg Kroah-Hartman 2015-06-25 7:34 ` Jani Nikula 2015-06-25 14:48 ` Greg Kroah-Hartman 2015-06-25 14:48 ` Greg Kroah-Hartman 2015-06-25 15:22 ` Jani Nikula
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