AcoSail/kernel_optimize_test
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x86: rename threadinfo to TI.

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This is for consistency with i386.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber Costa 2008-06-24 11:19:35 -03:00 committed by Ingo Molnar
parent 9262875395
commit 26ccb8a718
6 changed files with 37 additions and 33 deletions
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25
arch/x86/ia32/ia32entry.S
View File

@ -116,7 +116,7 @@ ENTRY(ia32_sysenter_target)
pushfq
CFI_ADJUST_CFA_OFFSET 8
/*CFI_REL_OFFSET rflags,0*/
movl 8*3-THREAD_SIZE+threadinfo_sysenter_return(%rsp), %r10d
movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d
CFI_REGISTER rip,r10
pushq $__USER32_CS
CFI_ADJUST_CFA_OFFSET 8
@ -136,8 +136,9 @@ ENTRY(ia32_sysenter_target)
.quad 1b,ia32_badarg
.previous
GET_THREAD_INFO(%r10)
orl $TS_COMPAT,threadinfo_status(%r10)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
orl $TS_COMPAT,TI_status(%r10)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
TI_flags(%r10)
CFI_REMEMBER_STATE
jnz sysenter_tracesys
sysenter_do_call:
@ -149,9 +150,9 @@ sysenter_do_call:
GET_THREAD_INFO(%r10)
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
testl $_TIF_ALLWORK_MASK,threadinfo_flags(%r10)
testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
jnz int_ret_from_sys_call
andl $~TS_COMPAT,threadinfo_status(%r10)
andl $~TS_COMPAT,TI_status(%r10)
/* clear IF, that popfq doesn't enable interrupts early */
andl $~0x200,EFLAGS-R11(%rsp)
movl RIP-R11(%rsp),%edx /* User %eip */
@ -240,8 +241,9 @@ ENTRY(ia32_cstar_target)
.quad 1b,ia32_badarg
.previous
GET_THREAD_INFO(%r10)
orl $TS_COMPAT,threadinfo_status(%r10)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
orl $TS_COMPAT,TI_status(%r10)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
TI_flags(%r10)
CFI_REMEMBER_STATE
jnz cstar_tracesys
cstar_do_call:
@ -253,9 +255,9 @@ cstar_do_call:
GET_THREAD_INFO(%r10)
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
testl $_TIF_ALLWORK_MASK,threadinfo_flags(%r10)
testl $_TIF_ALLWORK_MASK,TI_flags(%r10)
jnz int_ret_from_sys_call
andl $~TS_COMPAT,threadinfo_status(%r10)
andl $~TS_COMPAT,TI_status(%r10)
RESTORE_ARGS 1,-ARG_SKIP,1,1,1
movl RIP-ARGOFFSET(%rsp),%ecx
CFI_REGISTER rip,rcx
@ -333,8 +335,9 @@ ENTRY(ia32_syscall)
this could be a problem. */
SAVE_ARGS 0,0,1
GET_THREAD_INFO(%r10)
orl $TS_COMPAT,threadinfo_status(%r10)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
orl $TS_COMPAT,TI_status(%r10)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
TI_flags(%r10)
jnz ia32_tracesys
ia32_do_syscall:
cmpl $(IA32_NR_syscalls-1),%eax

2
arch/x86/kernel/asm-offsets_64.c
View File

@ -34,7 +34,7 @@ int main(void)
ENTRY(pid);
BLANK();
#undef ENTRY
#define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry))
#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
ENTRY(flags);
ENTRY(addr_limit);
ENTRY(preempt_count);

23
arch/x86/kernel/entry_64.S
View File

@ -168,13 +168,13 @@ ENTRY(ret_from_fork)
CFI_ADJUST_CFA_OFFSET -4
call schedule_tail
GET_THREAD_INFO(%rcx)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),threadinfo_flags(%rcx)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%rcx)
jnz rff_trace
rff_action:
RESTORE_REST
testl $3,CS-ARGOFFSET(%rsp) # from kernel_thread?
je int_ret_from_sys_call
testl $_TIF_IA32,threadinfo_flags(%rcx)
testl $_TIF_IA32,TI_flags(%rcx)
jnz int_ret_from_sys_call
RESTORE_TOP_OF_STACK %rdi,ARGOFFSET
jmp ret_from_sys_call
@ -243,7 +243,8 @@ ENTRY(system_call_after_swapgs)
movq %rcx,RIP-ARGOFFSET(%rsp)
CFI_REL_OFFSET rip,RIP-ARGOFFSET
GET_THREAD_INFO(%rcx)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%rcx)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP), \
TI_flags(%rcx)
jnz tracesys
cmpq $__NR_syscall_max,%rax
ja badsys
@ -262,7 +263,7 @@ sysret_check:
GET_THREAD_INFO(%rcx)
DISABLE_INTERRUPTS(CLBR_NONE)
TRACE_IRQS_OFF
movl threadinfo_flags(%rcx),%edx
movl TI_flags(%rcx),%edx
andl %edi,%edx
jnz sysret_careful
CFI_REMEMBER_STATE
@ -347,10 +348,10 @@ int_ret_from_sys_call:
int_with_check:
LOCKDEP_SYS_EXIT_IRQ
GET_THREAD_INFO(%rcx)
movl threadinfo_flags(%rcx),%edx
movl TI_flags(%rcx),%edx
andl %edi,%edx
jnz int_careful
andl $~TS_COMPAT,threadinfo_status(%rcx)
andl $~TS_COMPAT,TI_status(%rcx)
jmp retint_swapgs
/* Either reschedule or signal or syscall exit tracking needed. */
@ -558,7 +559,7 @@ retint_with_reschedule:
movl $_TIF_WORK_MASK,%edi
retint_check:
LOCKDEP_SYS_EXIT_IRQ
movl threadinfo_flags(%rcx),%edx
movl TI_flags(%rcx),%edx
andl %edi,%edx
CFI_REMEMBER_STATE
jnz retint_careful
@ -654,9 +655,9 @@ retint_signal:
/* Returning to kernel space. Check if we need preemption */
/* rcx: threadinfo. interrupts off. */
ENTRY(retint_kernel)
cmpl $0,threadinfo_preempt_count(%rcx)
cmpl $0,TI_preempt_count(%rcx)
jnz retint_restore_args
bt $TIF_NEED_RESCHED,threadinfo_flags(%rcx)
bt $TIF_NEED_RESCHED,TI_flags(%rcx)
jnc retint_restore_args
bt $9,EFLAGS-ARGOFFSET(%rsp) /* interrupts off? */
jnc retint_restore_args
@ -819,7 +820,7 @@ paranoid_restore\trace:
jmp irq_return
paranoid_userspace\trace:
GET_THREAD_INFO(%rcx)
movl threadinfo_flags(%rcx),%ebx
movl TI_flags(%rcx),%ebx
andl $_TIF_WORK_MASK,%ebx
jz paranoid_swapgs\trace
movq %rsp,%rdi /* &pt_regs */
@ -917,7 +918,7 @@ error_exit:
testl %eax,%eax
jne retint_kernel
LOCKDEP_SYS_EXIT_IRQ
movl threadinfo_flags(%rcx),%edx
movl TI_flags(%rcx),%edx
movl $_TIF_WORK_MASK,%edi
andl %edi,%edx
jnz retint_careful

4
arch/x86/lib/copy_user_64.S
View File

@ -40,7 +40,7 @@ ENTRY(copy_to_user)
movq %rdi,%rcx
addq %rdx,%rcx
jc bad_to_user
cmpq threadinfo_addr_limit(%rax),%rcx
cmpq TI_addr_limit(%rax),%rcx
jae bad_to_user
xorl %eax,%eax /* clear zero flag */
ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
@ -65,7 +65,7 @@ ENTRY(copy_from_user)
movq %rsi,%rcx
addq %rdx,%rcx
jc bad_from_user
cmpq threadinfo_addr_limit(%rax),%rcx
cmpq TI_addr_limit(%rax),%rcx
jae bad_from_user
movl $1,%ecx /* set zero flag */
ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string

8
arch/x86/lib/getuser_64.S
View File

@ -37,7 +37,7 @@
ENTRY(__get_user_1)
CFI_STARTPROC
GET_THREAD_INFO(%rdx)
cmpq threadinfo_addr_limit(%rdx),%rax
cmpq TI_addr_limit(%rdx),%rax
jae bad_get_user
1: movzb (%rax),%edx
xorl %eax,%eax
@ -50,7 +50,7 @@ ENTRY(__get_user_2)
addq $1,%rax
jc bad_get_user
GET_THREAD_INFO(%rdx)
cmpq threadinfo_addr_limit(%rdx),%rax
cmpq TI_addr_limit(%rdx),%rax
jae bad_get_user
2: movzwl -1(%rax),%edx
xorl %eax,%eax
@ -63,7 +63,7 @@ ENTRY(__get_user_4)
addq $3,%rax
jc bad_get_user
GET_THREAD_INFO(%rdx)
cmpq threadinfo_addr_limit(%rdx),%rax
cmpq TI_addr_limit(%rdx),%rax
jae bad_get_user
3: movl -3(%rax),%edx
xorl %eax,%eax
@ -76,7 +76,7 @@ ENTRY(__get_user_8)
addq $7,%rax
jc bad_get_user
GET_THREAD_INFO(%rdx)
cmpq threadinfo_addr_limit(%rdx),%rax
cmpq TI_addr_limit(%rdx),%rax
jae bad_get_user
4: movq -7(%rax),%rdx
xorl %eax,%eax

8
arch/x86/lib/putuser_64.S
View File

@ -35,7 +35,7 @@
ENTRY(__put_user_1)
CFI_STARTPROC
GET_THREAD_INFO(%r8)
cmpq threadinfo_addr_limit(%r8),%rcx
cmpq TI_addr_limit(%r8),%rcx
jae bad_put_user
1: movb %dl,(%rcx)
xorl %eax,%eax
@ -48,7 +48,7 @@ ENTRY(__put_user_2)
GET_THREAD_INFO(%r8)
addq $1,%rcx
jc 20f
cmpq threadinfo_addr_limit(%r8),%rcx
cmpq TI_addr_limit(%r8),%rcx
jae 20f
decq %rcx
2: movw %dx,(%rcx)
@ -64,7 +64,7 @@ ENTRY(__put_user_4)
GET_THREAD_INFO(%r8)
addq $3,%rcx
jc 30f
cmpq threadinfo_addr_limit(%r8),%rcx
cmpq TI_addr_limit(%r8),%rcx
jae 30f
subq $3,%rcx
3: movl %edx,(%rcx)
@ -80,7 +80,7 @@ ENTRY(__put_user_8)
GET_THREAD_INFO(%r8)
addq $7,%rcx
jc 40f
cmpq threadinfo_addr_limit(%r8),%rcx
cmpq TI_addr_limit(%r8),%rcx
jae 40f
subq $7,%rcx
4: movq %rdx,(%rcx)