From: Vineet.Gupta1@synopsys.com (Vineet Gupta)
To: linux-snps-arc@lists.infradead.org
Subject: [PATCH 14/17] ARC: dw2 unwind: No need for __get_user
Date: Thu, 3 Dec 2015 18:11:12 +0530 [thread overview]
Message-ID: <1449146475-15335-15-git-send-email-vgupta@synopsys.com> (raw)
In-Reply-To: <1449146475-15335-1-git-send-email-vgupta@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta at synopsys.com>
---
arch/arc/kernel/unwind.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index b2053b55d076..4f739716f908 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -1056,7 +1056,7 @@ int arc_unwind(struct unwind_frame_info *frame)
|| addr + sizeof(unsigned long) > endLoc)
return -EIO;
- __get_user(FRAME_REG(i, unsigned long), (unsigned long __user *)addr);
+ FRAME_REG(i, unsigned long) = *(unsigned long *)addr;
break;
}
unw_debug("r%d: 0x%lx\n", i, *fptr);
--
1.9.1
next prev parent reply other threads:[~2015-12-03 12:41 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-03 12:40 [RFC 00/17] ARC Dwarf unwinder improvements Vineet Gupta
2015-12-03 12:40 ` [PATCH 01/17] ARC: dw2 unwind: Elide generation of const propagated clones Vineet Gupta
2015-12-03 12:41 ` [PATCH 02/17] ARC: dw2 unwind: remove unused cruft Vineet Gupta
2015-12-03 12:41 ` [PATCH 03/17] ARC: dw2 unwind: Remove handling of for signal frame Vineet Gupta
2015-12-03 12:41 ` [PATCH 04/17] ARC: dw2 unwind: Remove FP based unwinding Vineet Gupta
2015-12-03 12:41 ` [PATCH 05/17] ARC: dw2 unwind: Better printing Vineet Gupta
2015-12-03 12:41 ` [PATCH 06/17] ARC: dw2 unwind: Don't verify Main FDE Table size everytime Vineet Gupta
2015-12-03 12:41 ` [PATCH 07/17] ARC: dw2 unwind: Refactor the FDE lookup table (eh_frame_header) code Vineet Gupta
2015-12-03 12:41 ` [PATCH 08/17] ARC: dw2 unwind: Don't verify FDE lookup table metadata Vineet Gupta
2015-12-03 12:41 ` [PATCH 09/17] ARC: dw2 unwind: Use striaght forward code to implement binary lookup Vineet Gupta
2015-12-03 12:41 ` [PATCH 10/17] ARC: dw2 unwind: CIE parsing/validation done only once at startup Vineet Gupta
2015-12-03 12:41 ` [PATCH 11/17] ARC: dw2 unwind: Elide REG_INVALID check Vineet Gupta
2015-12-03 12:41 ` [PATCH 12/17] ARC: dw2 unwind: Elide a loop if DW_CFA_register not present Vineet Gupta
2015-12-03 12:41 ` [PATCH 13/17] ARC: dw2 unwind: Assume all regs to be unsigned long Vineet Gupta
2015-12-03 12:41 ` Vineet Gupta [this message]
2015-12-03 12:41 ` [PATCH 15/17] ARC: dw2 unwind: Single exit point for instrumentation Vineet Gupta
2015-12-03 12:41 ` [PATCH 16/17] ARC: dw2 unwind: skip regs not updated Vineet Gupta
2015-12-03 12:41 ` [PATCH 17/17] xxx: instrument Vineet Gupta
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