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| author | Achin Gupta <achin.gupta@arm.com> | 2014-11-10 11:50:30 +0000 |
|---|---|---|
| committer | Achin Gupta <achin.gupta@arm.com> | 2014-11-10 11:50:30 +0000 |
| commit | 66ce001e7d9125f386eb254ec1645f4391e4f537 (patch) | |
| tree | 39bd179f7eaaab22cfce06f1046f25b51635569a /services/std_svc/psci/psci_setup.c | |
| parent | 82b9b2973b108e91367159f2f42dec2fc45f168d (diff) | |
Precede a 'sev' with a 'dsb' in bakery lock code
This patch fixes a bug in the bakery lock implementation where a data
synchronisation barrier instruction is not issued before sending an event as
mandated by the ARMv8 ARM. This can cause a event to be signalled before the
related memory accesses have completed resulting in erroneous execution.
Fixes ARM-software/tf-issues#272
Change-Id: I5ce02bf70afb001d967b9fa4c3f77442931d5349
Diffstat (limited to 'services/std_svc/psci/psci_setup.c')
0 files changed, 0 insertions, 0 deletions