From 1bd73c60d5d9c9d80ebdad644b79f8a96e5d825f Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sat, 3 Feb 2007 02:32:59 +0100 Subject: [PATCH] [libata] use kmap_atomic(KM_IRQ0) in SCSI simulator We are inside spin_lock_irqsave(). quoth akpm's debug facility: [ 231.948000] SCSI device sda: 195371568 512-byte hdwr sectors (100030 MB) [ 232.232000] ata1.00: configured for UDMA/33 [ 232.404000] WARNING (1) at arch/i386/mm/highmem.c:47 kmap_atomic() [ 232.404000] [] kmap_atomic+0xa9/0x1ab [ 232.404000] [] ata_scsi_rbuf_get+0x1c/0x30 [ 232.404000] [] ata_scsi_rbuf_fill+0x1a/0x87 [ 232.404000] [] ata_scsiop_mode_sense+0x0/0x309 [ 232.404000] [] end_bio_bh_io_sync+0x0/0x37 [ 232.404000] [] scsi_done+0x0/0x16 [ 232.404000] [] scsi_done+0x0/0x16 [ 232.404000] [] ata_scsi_simulate+0xb0/0x13f [...] Signed-off-by: Jeff Garzik Signed-off-by: Adrian Bunk --- drivers/scsi/libata-scsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 59503c9ccac9..59f790c2fbc6 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1372,7 +1372,7 @@ static unsigned int ata_scsi_rbuf_get(struct scsi_cmnd *cmd, u8 **buf_out) struct scatterlist *sg; sg = (struct scatterlist *) cmd->request_buffer; - buf = kmap_atomic(sg->page, KM_USER0) + sg->offset; + buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; buflen = sg->length; } else { buf = cmd->request_buffer; @@ -1400,7 +1400,7 @@ static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf) struct scatterlist *sg; sg = (struct scatterlist *) cmd->request_buffer; - kunmap_atomic(buf - sg->offset, KM_USER0); + kunmap_atomic(buf - sg->offset, KM_IRQ0); } } -- 2.39.2