Hi Guenter, On 13/12/23 18:12, Peter Maydell wrote:
On Wed, 13 Dec 2023 at 01:49, Guenter Roeck <[email protected]> wrote:All tests using pxa2xx_mmc to access mmc cards on pxa2xx platforms such as borzoi fail starting with commit a2e1753b80 ("memory: prevent dma-reentracy issues"). Disable reentrancy guard to fix the problem. Fixes: a2e1753b80 ("memory: prevent dma-reentracy issues") Signed-off-by: Guenter Roeck <[email protected]> --- hw/sd/pxa2xx_mmci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/sd/pxa2xx_mmci.c b/hw/sd/pxa2xx_mmci.c index 5e8ea69188..27ae8f2888 100644 --- a/hw/sd/pxa2xx_mmci.c +++ b/hw/sd/pxa2xx_mmci.c @@ -555,6 +555,8 @@ static void pxa2xx_mmci_instance_init(Object *obj) qdev_init_gpio_out_named(dev, &s->rx_dma, "rx-dma", 1); qdev_init_gpio_out_named(dev, &s->tx_dma, "tx-dma", 1); + s->iomem.disable_reentrancy_guard = true; +All patches that set this flag should include a comment which explains what the device access path that triggers the reentrancy is, please.
Can we get a reproducer or backtrace please?
