From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: rth@twiddle.net, linux-kernel@vger.kernel.org
Subject: [PATCH] alpha: fix usp value in multithreaded coredumps
Date: Sat, 25 Sep 2010 21:07:51 +0100 [thread overview]
Message-ID: <20100925200751.GZ19804@ZenIV.linux.org.uk> (raw)
In-Reply-To: <AANLkTi=XURM0hOiitvNSiacd9+7Vx8s7V0KZ+oZQsDDQ@mail.gmail.com>
rdusp() gives us the right value only for the current thread...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/alpha/kernel/process.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 842dba3..3ec3506 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -356,7 +356,7 @@ dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt, struct thread_info *ti)
dest[27] = pt->r27;
dest[28] = pt->r28;
dest[29] = pt->gp;
- dest[30] = rdusp();
+ dest[30] = ti == current_thread_info() ? rdusp() : ti->pcb.usp;
dest[31] = pt->pc;
/* Once upon a time this was the PS value. Which is stupid
--
1.5.6.5
prev parent reply other threads:[~2010-09-25 20:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-25 18:13 alpha: potential race around hae_cache in RESTORE_ALL Al Viro
2010-09-25 18:42 ` Linus Torvalds
2010-09-25 19:18 ` Al Viro
2010-09-25 19:25 ` Al Viro
[not found] ` <AANLkTikEVr6wA6D_f2Z6OEFu6SCP_-89u0-k-K-wKgb=@mail.gmail.com>
2010-09-25 21:33 ` Linus Torvalds
2010-09-27 7:58 ` Ivan Kokshaysky
2010-09-27 12:12 ` Al Viro
2010-09-27 12:46 ` Al Viro
2010-09-27 16:26 ` Ivan Kokshaysky
2010-09-27 17:10 ` Linus Torvalds
2010-09-27 18:05 ` Richard Henderson
2010-09-27 19:01 ` Al Viro
2010-09-27 21:21 ` Ivan Kokshaysky
2010-09-25 20:07 ` [PATCH] alpha: fix hae_cache race " Al Viro
2010-09-25 20:07 ` Al Viro [this message]
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