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| author | David Woodhouse <dwmw2@infradead.org> | 2007-08-23 10:43:14 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-23 10:43:14 +0100 |
| commit | ac0c955d5048c2c580fa7166a89133f0fd76c125 (patch) | |
| tree | 041ac4fb544c7244a1a0b35c8ceabc142d5645c1 /arch/ia64/kernel/ptrace.c | |
| parent | 68d09b1b6780415d82160f6b6d88e82bd724e691 (diff) | |
| parent | b377fd3982ad957c796758a90e2988401a884241 (diff) | |
| download | linux-ac0c955d5048c2c580fa7166a89133f0fd76c125.tar.bz2 | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/ia64/kernel/ptrace.c')
| -rw-r--r-- | arch/ia64/kernel/ptrace.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 00f803246948..122444a97897 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -951,10 +951,14 @@ access_uarea (struct task_struct *child, unsigned long addr, return 0; case PT_CR_IPSR: - if (write_access) - pt->cr_ipsr = ((*data & IPSR_MASK) + if (write_access) { + unsigned long tmp = *data; + /* psr.ri==3 is a reserved value: SDM 2:25 */ + if ((tmp & IA64_PSR_RI) == IA64_PSR_RI) + tmp &= ~IA64_PSR_RI; + pt->cr_ipsr = ((tmp & IPSR_MASK) | (pt->cr_ipsr & ~IPSR_MASK)); - else + } else *data = (pt->cr_ipsr & IPSR_MASK); return 0; |