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| author | David Miller <davem@davemloft.net> | 2010-01-28 21:42:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-01 15:55:56 -0700 |
| commit | f3f66f8afd79d1b5d5d89a7a608945f045e1efe4 (patch) | |
| tree | cae52107beeaab7358ea08ade13d50cf993d15ba | |
| parent | daba0e9518f116e040d89a9b9e5b3dcb9d27e912 (diff) | |
| download | lwn-f3f66f8afd79d1b5d5d89a7a608945f045e1efe4.tar.gz lwn-f3f66f8afd79d1b5d5d89a7a608945f045e1efe4.zip | |
sparc: TIF_ABI_PENDING bit removal
commit 94673e968cbcce07fa78dac4b0ae05d24b5816e1 upstream.
Here are the sparc bits to remove TIF_ABI_PENDING now that
set_personality() is called at the appropriate place in exec.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
| -rw-r--r-- | arch/sparc/include/asm/elf_64.h | 13 | ||||
| -rw-r--r-- | arch/sparc/include/asm/thread_info_64.h | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/process_64.c | 8 |
3 files changed, 4 insertions, 21 deletions
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h index d42e393078c4..996808587914 100644 --- a/arch/sparc/include/asm/elf_64.h +++ b/arch/sparc/include/asm/elf_64.h @@ -196,17 +196,10 @@ static inline unsigned int sparc64_elf_hwcap(void) #define ELF_PLATFORM (NULL) #define SET_PERSONALITY(ex) \ -do { unsigned long new_flags = current_thread_info()->flags; \ - new_flags &= _TIF_32BIT; \ - if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ - new_flags |= _TIF_32BIT; \ +do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ + set_thread_flag(TIF_32BIT); \ else \ - new_flags &= ~_TIF_32BIT; \ - if ((current_thread_info()->flags & _TIF_32BIT) \ - != new_flags) \ - set_thread_flag(TIF_ABI_PENDING); \ - else \ - clear_thread_flag(TIF_ABI_PENDING); \ + clear_thread_flag(TIF_32BIT); \ /* flush_thread will update pgd cache */ \ if (personality(current->personality) != PER_LINUX32) \ set_personality(PER_LINUX | \ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 1b45a7bbe407..f78ad9a1b497 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -227,12 +227,11 @@ register struct thread_info *current_thread_info_reg asm("g6"); /* flag bit 8 is available */ #define TIF_SECCOMP 9 /* secure computing */ #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ -/* flag bit 11 is available */ /* NOTE: Thread flags >= 12 should be ones we have no interest * in using in assembly, else we can't use the mask as * an immediate value in instructions such as andcc. */ -#define TIF_ABI_PENDING 12 +/* flag bit 12 is available */ #define TIF_MEMDIE 13 #define TIF_POLLING_NRFLAG 14 #define TIF_FREEZE 15 /* is freezing for suspend */ @@ -246,7 +245,6 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_32BIT (1<<TIF_32BIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) -#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1<<TIF_FREEZE) diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 4041f94e7724..3714fdb5b16b 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -365,14 +365,6 @@ void flush_thread(void) struct thread_info *t = current_thread_info(); struct mm_struct *mm; - if (test_ti_thread_flag(t, TIF_ABI_PENDING)) { - clear_ti_thread_flag(t, TIF_ABI_PENDING); - if (test_ti_thread_flag(t, TIF_32BIT)) - clear_ti_thread_flag(t, TIF_32BIT); - else - set_ti_thread_flag(t, TIF_32BIT); - } - mm = t->task->mm; if (mm) tsb_context_switch(mm); |