AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-26 16:50:53 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Blackfin: fix anomaly 283 handling with exact hardware error

Browse Source 
The exact hardware error handling code was added before the workaround
for anomaly 283 which caused the anomaly to be triggered in some cases
(an infinite core stall).  So re-order the code to avoid this.

Reported-by: Andrew Rook <andrew.rook@speakerbus.co.uk>
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Robin Getz 2010-02-25 18:16:52 +00:00 committed by Mike Frysinger
parent 6ba255f4a8
commit 2943bff69e
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/blackfin/mach-common/entry.S
View File

@ -482,6 +482,8 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
[--sp] = ASTAT;
[--sp] = (R7:6,P5:4);
ANOMALY_283_315_WORKAROUND(p5, r7)
#ifdef CONFIG_EXACT_HWERR
/* Make sure all pending read/writes complete. This will ensure any
* accesses which could cause hardware errors completes, and signal
@ -492,8 +494,6 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
ssync;
#endif
ANOMALY_283_315_WORKAROUND(p5, r7)
#ifdef CONFIG_DEBUG_DOUBLEFAULT
/*
* Save these registers, as they are only valid in exception context