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Message-ID: <8bd0f97a1001072226x2e2391dao924675c286209143@mail.gmail.com> Date: Fri, 8 Jan 2010 01:26:00 -0500 From: Mike Frysinger <vapier.adi@...il.com> To: Li Yi <yi.li@...log.com> Cc: Arnd Bergmann <arnd@...db.de>, rostedt@...dmis.org, linux-kernel@...r.kernel.org, uclinux-dist-devel@...ckfin.uclinux.org Subject: Re: [PATCH] Ftrace: irqsoff tracer may cause stack overflow On Fri, Jan 8, 2010 at 01:26, Li Yi wrote: > On Thu, 2010-01-07 at 23:54 -0500, Mike Frysinger wrote: >> > @@ -60,11 +60,11 @@ static inline int atomic_add_return(int i, atomic_t >> > *v) >> > @@ -82,11 +82,11 @@ static inline int atomic_sub_return(int i, atomic_t >> > *v) >> > @@ -139,9 +139,9 @@ static inline void atomic_clear_mask(unsigned long >> > mask, unsigned long *addr) >> >> looks like your mailer has line wrapping problems ... might want to >> fix that. maybe just find a smtp server in ADI shanghai's office to >> send to and use sendemail.smtpersver in your ~/.gitconfig ? > > Thanks. Disabled auto-wrap and resend: > > "irqsoff" tracer may cause stack overflow on architectures using asm-generic/atomic.h, due to recursive invoking of trace_hardirqs_off(). well now you have the opposite problem ... your changelog needs to be line wrapped -mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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