> -----Original Message----- > From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc- > owner@xxxxxxxxxxxxxxx] On Behalf Of Adrian Hunter > Sent: Wednesday, August 09, 2017 1:58 PM > To: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>; Bough Chen > <haibo.chen@xxxxxxx> > Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>; linux-mmc <linux- > mmc@xxxxxxxxxxxxxxx>; Alex Lemberg <alex.lemberg@xxxxxxxxxxx>; Mateusz > Nowak <mateusz.nowak@xxxxxxxxx>; Yuliy Izrailov > <Yuliy.Izrailov@xxxxxxxxxxx>; Jaehoon Chung <jh80.chung@xxxxxxxxxxx>; > Dong Aisheng <dongas86@xxxxxxxxx>; Das Asutosh > <asutoshd@xxxxxxxxxxxxxx>; Zhangfei Gao <zhangfei.gao@xxxxxxxxx>; > Dorfman Konstantin <kdorfman@xxxxxxxxxxxxxx>; Sahitya Tummala > <stummala@xxxxxxxxxxxxxx>; Harjani Ritesh <riteshh@xxxxxxxxxxxxxx>; Venu > Byravarasu <vbyravarasu@xxxxxxxxxx>; Linus Walleij <linus.walleij@xxxxxxxxxx> > Subject: Re: [PATCH V4 09/11] mmc: block: Add CQE support > > On 09/08/17 03:55, Shawn Lin wrote: > > Hi, > > > > On 2017/8/8 20:07, Bough Chen wrote: > >>> -----Original Message----- > >>> From: Adrian Hunter [mailto:adrian.hunter@xxxxxxxxx] > >>> Sent: Friday, July 21, 2017 5:50 PM > >>> To: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > >>> Cc: linux-mmc <linux-mmc@xxxxxxxxxxxxxxx>; Bough Chen > >>> <haibo.chen@xxxxxxx>; Alex Lemberg <alex.lemberg@xxxxxxxxxxx>; > >>> Mateusz Nowak <mateusz.nowak@xxxxxxxxx>; Yuliy Izrailov > >>> <Yuliy.Izrailov@xxxxxxxxxxx>; Jaehoon Chung > >>> <jh80.chung@xxxxxxxxxxx>; Dong Aisheng <dongas86@xxxxxxxxx>; Das > >>> Asutosh <asutoshd@xxxxxxxxxxxxxx>; Zhangfei Gao > >>> <zhangfei.gao@xxxxxxxxx>; Dorfman Konstantin > >>> <kdorfman@xxxxxxxxxxxxxx>; David Griego <david.griego@xxxxxxxxxx>; > >>> Sahitya Tummala <stummala@xxxxxxxxxxxxxx>; Harjani Ritesh > >>> <riteshh@xxxxxxxxxxxxxx>; Venu Byravarasu <vbyravarasu@xxxxxxxxxx>; > >>> Linus Walleij <linus.walleij@xxxxxxxxxx>; Shawn Lin > >>> <shawn.lin@xxxxxxxxxxxxxx> > >>> Subject: [PATCH V4 09/11] mmc: block: Add CQE support > >>> > >>> Add CQE support to the block driver, including: > >>> - optionally using DCMD for flush requests > >>> - manually issuing discard requests > >>> - issuing read / write requests to the CQE > >>> - supporting block-layer timeouts > >>> - handling recovery > >>> - supporting re-tuning > >>> > >>> Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > >>> --- > >>> drivers/mmc/core/block.c | 195 > ++++++++++++++++++++++++++++++++- > >>> drivers/mmc/core/block.h | 7 ++ > >>> drivers/mmc/core/queue.c | 273 > >>> ++++++++++++++++++++++++++++++++++++++++++++++- > >>> drivers/mmc/core/queue.h | 42 +++++++- > >>> 4 files changed, 510 insertions(+), 7 deletions(-) > >>> > >>> diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c > >>> index > >>> 915290c74363..2d25115637b7 100644 > >>> --- a/drivers/mmc/core/block.c > >>> +++ b/drivers/mmc/core/block.c > >>> @@ -109,6 +109,7 @@ struct mmc_blk_data { > >>> #define MMC_BLK_WRITE BIT(1) > >>> #define MMC_BLK_DISCARD BIT(2) > >>> #define MMC_BLK_SECDISCARD BIT(3) > >>> +#define MMC_BLK_CQE_RECOVERY BIT(4) > >>> > >>> /* > >>> * Only set in main mmc_blk_data associated @@ -1612,6 > >>> +1613,198 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, > >>> struct mmc_queue_req *mqrq, > >>> *do_data_tag_p = do_data_tag; > >>> } > >>> > >>> +#define MMC_CQE_RETRIES 2 > > > > > >>> + blk_queue_rq_timed_out(mq->queue, mmc_cqe_timed_out); > >>> + blk_queue_rq_timeout(mq->queue, 60 * HZ); > >> > > > > ------8<------- > > > >> Hi Adrian, > >> > >> These days I'm doing CMDQ stress test, and find one issue. > >> On our i.MX8QXP-ARM2 board, the RAM is 3GB. eMMC is 32GB. > >> I use command 'free -m' get the total memory is 2800M, and the free > >> memory is 2500M. > >> > >> I use 'mkfs.ext4' to format ext4 file system on the eMMC under > >> HS400ES CMDQ mode, works fine. > >> > >> When I use the following command to stress test CMDQ, it works fine. > >> bonnie++ -d /run/media/mmcblk0p1/ -u 0:0 -s 2048 -r 1024 > >> > >> But when I change to use a large file size to do the same stress > >> test, using > >> bonnie++ -d /run/media/mmcblk0p1/ -u 0:0 -s 4096 -r 2048 > >> or > >> bonnie++ -d /run/media/mmcblk0p1/ -u 0:0 -s 5600 > >> > >> I get the following dump message. According to the log, > >> mmc_cqe_timed_out() was trigged. > >> Seems mmc was blocked in somewhere. > >> Then I try to debug this issue, and open MMC_DEBUG in config, do the > >> same test, print the detail Command sending information on the > >> console, but finally can't reproduce. > > mmc_cqe_timed_out() is a 60 second timeout provided by the block layer. > Refer "blk_queue_rq_timeout(mq->queue, 60 * HZ)" in mmc_init_queue(). > 60s is quite a long time so I would first want to determine if the task was really > queued that long. I would instrument some code into cqhci_request() to > record the start time on struct mmc_request, and then print the time taken > when there is a problem. > Hi Adrian, According to your suggestion, I add the following code to print the time. When issue happens, seems the request really pending for over 60s! done Writing intelligently...[ 689.209548] mmc0: cqhci: timeout for tag 9 [ 689.213658] the mrq all use 62123742 us [ 689.217487] mmc0: cqhci: ============ CQHCI REGISTER DUMP =========== [ 689.223927] mmc0: cqhci: Caps: 0x0000310a | Version: 0x00000510 [ 689.230363] mmc0: cqhci: Config: 0x00001001 | Control: 0x00000000 [ 689.236800] mmc0: cqhci: Int stat: 0x00000000 | Int enab: 0x00000006 [ 689.243238] mmc0: cqhci: Int sig: 0x00000006 | Int Coal: 0x00000000 [ 689.249675] mmc0: cqhci: TDL base: 0x90079000 | TDL up32: 0x00000000 [ 689.256113] mmc0: cqhci: Doorbell: 0x1fffffff | TCN: 0x00000000 [ 689.262550] mmc0: cqhci: Dev queue: 0x1fffefff | Dev Pend: 0x1fff7fff [ 689.268988] mmc0: cqhci: Task clr: 0x00000000 | SSC1: 0x00011000 [ 689.275425] mmc0: cqhci: SSC2: 0x00000001 | DCMD rsp: 0x00000800 [ 689.281862] mmc0: cqhci: RED mask: 0xfdf9a080 | TERRI: 0x00000000 [ 689.288300] mmc0: cqhci: Resp idx: 0x0000002f | Resp arg: 0x00000900 [ 689.294737] mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== [ 689.301176] mmc0: sdhci: Sys addr: 0xb602f000 | Version: 0x00000002 [ 689.307612] mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000400 [ 689.314050] mmc0: sdhci: Argument: 0x000f0400 | Trn mode: 0x00000023 [ 689.320487] mmc0: sdhci: Present: 0x01fd858f | Host ctl: 0x00000030 [ 689.326925] mmc0: sdhci: Power: 0x00000002 | Blk gap: 0x00000080 [ 689.333362] mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x0000000f [ 689.339800] mmc0: sdhci: Timeout: 0x0000008f | Int stat: 0x00000000 [ 689.346237] mmc0: sdhci: Int enab: 0x107f4000 | Sig enab: 0x107f4000 [ 689.352674] mmc0: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000502 [ 689.359113] mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407 [ 689.365549] mmc0: sdhci: Cmd: 0x00002c1a | Max curr: 0x00ffffff [ 689.371987] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0xffffffff [ 689.378424] mmc0: sdhci: Resp[2]: 0x328f5903 | Resp[3]: 0x00d02700 [ 689.384861] mmc0: sdhci: Host ctl2: 0x00000008 [ 689.389302] mmc0: sdhci: ADMA Err: 0x00000009 | ADMA Ptr: 0x9009a400 [ 689.395737] mmc0: sdhci: ============================================ [ 689.402212] mmc0: running CQE recovery diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c index 1b56d03..7359895 100644 --- a/drivers/mmc/host/cqhci.c +++ b/drivers/mmc/host/cqhci.c @@ -556,6 +556,7 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq) u64 *task_desc = NULL; int tag = cqhci_tag(mrq); struct cqhci_host *cq_host = mmc->cqe_private; + struct timeval *start_time = &mrq->start_time; unsigned long flags; if (!cq_host->enabled) { @@ -605,6 +606,8 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq) cq_host->qcnt += 1; + do_gettimeofday(start_time); + cqhci_writel(cq_host, 1 << tag, CQHCI_TDBR); if (!(cqhci_readl(cq_host, CQHCI_TDBR) & (1 << tag))) pr_debug("%s: cqhci: doorbell not set for tag %d\n", @@ -822,6 +825,8 @@ static bool cqhci_timeout(struct mmc_host *mmc, struct mmc_request *mrq, struct cqhci_host *cq_host = mmc->cqe_private; int tag = cqhci_tag(mrq); struct cqhci_slot *slot = &cq_host->slot[tag]; + struct timeval *end_time = &mrq->end_time; + struct timeval *start_time = &mrq->start_time; unsigned long flags; bool timed_out; @@ -835,8 +840,11 @@ static bool cqhci_timeout(struct mmc_host *mmc, struct mmc_request *mrq, spin_unlock_irqrestore(&cq_host->lock, flags); if (timed_out) { + do_gettimeofday(end_time); + pr_err("%s: cqhci: timeout for tag %d\n", mmc_hostname(mmc), tag); + pr_err("the mrq all use %ld us\n", (end_time->tv_sec - start_time->tv_sec) * 1000000 + end_time->tv_usec - start_time->tv_usec); cqhci_dumpregs(cq_host); } diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 80f36b7..15093aa 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -10,6 +10,7 @@ #include <linux/completion.h> #include <linux/types.h> +#include <linux/time.h> struct mmc_data; struct mmc_request; @@ -157,6 +158,8 @@ struct mmc_request { struct completion cmd_completion; void (*done)(struct mmc_request *);/* completion function */ struct mmc_host *host; + struct timeval start_time; + struct timeval end_time; /* Allow other commands during this ongoing data transfer or busy wait */ bool cap_cmd_during_tfr; > >> > >> Shawn, > >> Can you have a try on your side? > >> > > > > I think bonnie++ is almost the same disk test tool as iozone or fio. I > > didn't saw this when testing CMDQ by fio, but I will try bonnie++ late > > this week. > > > > > >> > >> [ 738.385610] mmc0: cqhci: timeout for tag 1 [ 738.389719] mmc0: > >> cqhci: ============ CQHCI REGISTER DUMP =========== > >> [ 738.396164] mmc0: cqhci: Caps: 0x0000310a | Version: 0x00000510 > >> [ 738.402601] mmc0: cqhci: Config: 0x00001001 | Control: 0x00000000 > >> [ 738.409038] mmc0: cqhci: Int stat: 0x00000000 | Int enab: 0x00000006 > >> [ 738.415475] mmc0: cqhci: Int sig: 0x00000006 | Int Coal: 0x00000000 > >> [ 738.421913] mmc0: cqhci: TDL base: 0x9007a000 | TDL up32: 0x00000000 > >> [ 738.428350] mmc0: cqhci: Doorbell: 0x1fffffff | TCN: 0x00000000 > >> [ 738.434788] mmc0: cqhci: Dev queue: 0x1f7fffff | Dev Pend: 0x1fffefff > >> [ 738.441226] mmc0: cqhci: Task clr: 0x00000000 | SSC1: 0x00011000 > >> [ 738.447663] mmc0: cqhci: SSC2: 0x00000001 | DCMD rsp: 0x00000800 > >> [ 738.454100] mmc0: cqhci: RED mask: 0xfdf9a080 | TERRI: 0x00000000 > >> [ 738.460538] mmc0: cqhci: Resp idx: 0x0000002f | Resp arg: > >> 0x00000900 [ 738.466975] mmc0: sdhci: ============ SDHCI REGISTER > >> DUMP =========== [ 738.473414] mmc0: sdhci: Sys addr: 0xb6512000 | > >> Version: 0x00000002 [ 738.479850] mmc0: sdhci: Blk size: > >> 0x00000200 | Blk cnt: 0x00000400 [ 738.486288] mmc0: sdhci: Argument: > 0x000c0400 | Trn mode: 0x00000023 > >> [ 738.492725] mmc0: sdhci: Present: 0x01fd858f | Host ctl: 0x00000030 > >> [ 738.499162] mmc0: sdhci: Power: 0x00000002 | Blk gap: 0x00000080 > >> [ 738.505600] mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x0000000f > >> [ 738.512037] mmc0: sdhci: Timeout: 0x0000008f | Int stat: 0x00000000 > >> [ 738.518475] mmc0: sdhci: Int enab: 0x107f4000 | Sig enab: > >> 0x107f4000 [ 738.524912] mmc0: sdhci: AC12 err: 0x00000000 | Slot int: > 0x00000502 > >> [ 738.531350] mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407 > >> [ 738.537787] mmc0: sdhci: Cmd: 0x00002c1a | Max curr: 0x00ffffff > >> [ 738.544225] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0xffffffff > >> [ 738.550662] mmc0: sdhci: Resp[2]: 0x328f5903 | Resp[3]: 0x00d02700 > >> [ 738.557099] mmc0: sdhci: Host ctl2: 0x00000008 [ 738.561540] > >> mmc0: sdhci: ADMA Err: 0x00000009 | ADMA Ptr: 0x90098400 [ > >> 738.567975] mmc0: sdhci: > ============================================ > >> [ 738.574449] mmc0: running CQE recovery [ 738.593643] mmc0: > >> Unexpected interrupt 0x00004000. > >> [ 738.598436] mmc0: sdhci: ============ SDHCI REGISTER DUMP > >> =========== [ 738.604881] mmc0: sdhci: Sys addr: 0x00000000 | > >> Version: 0x00000002 [ 738.611318] mmc0: sdhci: Blk size: > >> 0x00000200 | Blk cnt: 0x00000400 [ 738.617756] mmc0: sdhci: Argument: > 0x01af6800 | Trn mode: 0x00000023 > >> [ 738.624193] mmc0: sdhci: Present: 0x01fd8009 | Host ctl: 0x00000031 > >> [ 738.630630] mmc0: sdhci: Power: 0x00000002 | Blk gap: 0x00000080 > >> [ 738.637068] mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x0000000f > >> [ 738.643505] mmc0: sdhci: Timeout: 0x0000008f | Int stat: 0x00004000 > >> [ 738.649943] mmc0: sdhci: Int enab: 0x007f1003 | Sig enab: > >> 0x007f1003 [ 738.656380] mmc0: sdhci: AC12 err: 0x00000000 | Slot int: > 0x00000502 > >> [ 738.662818] mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407 > >> [ 738.669255] mmc0: sdhci: Cmd: 0x00002d12 | Max curr: 0x00ffffff > >> [ 738.675693] mmc0: sdhci: Resp[0]: 0x00000c00 | Resp[1]: 0xffffffff > >> [ 738.682130] mmc0: sdhci: Resp[2]: 0x328f5903 | Resp[3]: 0x00d02700 > >> [ 738.688566] mmc0: sdhci: Host ctl2: 0x00000008 [ 738.693008] > >> mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000 [ > >> 738.699443] mmc0: sdhci: > ============================================ > >> [ 738.715999] mmc0: Controller never released inhibit bit(s). > >> [ 738.721573] mmc0: sdhci: ============ SDHCI REGISTER DUMP > >> =========== [ 738.728018] mmc0: sdhci: Sys addr: 0x00000000 | > >> Version: 0x00000002 [ 738.734455] mmc0: sdhci: Blk size: > >> 0x00000200 | Blk cnt: 0x00000400 [ 738.740892] mmc0: sdhci: Argument: > 0x01af6800 | Trn mode: 0x00000023 > >> [ 738.747330] mmc0: sdhci: Present: 0x01fd8009 | Host ctl: 0x00000031 > >> [ 738.753767] mmc0: sdhci: Power: 0x00000002 | Blk gap: 0x00000080 > >> [ 738.760204] mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x0000000f > >> [ 738.766642] mmc0: sdhci: Timeout: 0x0000008f | Int stat: 0x00004000 > >> [ 738.773079] mmc0: sdhci: Int enab: 0x007f1003 | Sig enab: > >> 0x007f1003 [ 738.779517] mmc0: sdhci: AC12 err: 0x00000000 | Slot int: > 0x00000502 > >> [ 738.785955] mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407 > >> [ 738.792392] mmc0: sdhci: Cmd: 0x00002d12 | Max curr: 0x00ffffff > >> [ 738.798829] mmc0: sdhci: Resp[0]: 0x00000c00 | Resp[1]: 0xffffffff > >> [ 738.805266] mmc0: sdhci: Resp[2]: 0x328f5903 | Resp[3]: 0x00d02700 > >> [ 738.811703] mmc0: sdhci: Host ctl2: 0x00000008 [ 738.816144] > >> mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x00000000 [ > >> 738.822579] mmc0: sdhci: > ============================================ > >> [ 748.881580] mmc0: Timeout waiting for hardware interrupt. > >> ...... > >> > >> > >>> + > >>> + host->cqe_recovery_notifier = mmc_cqe_recovery_notifier; > >>> + } > >>> + > >>> blk_queue_prep_rq(mq->queue, mmc_prep_request); > >>> queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue); > >>> queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, mq- > >>>> queue); @@ -280,9 +543,9 @@ int mmc_init_queue(struct mmc_queue > >>>> *mq, > >>> struct mmc_card *card, > >>> > >>> sema_init(&mq->thread_sem, 1); > >>> > >>> - mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d%s", > >>> - host->index, subname ? subname : ""); > >>> - > >>> + mq->thread = kthread_run(use_cqe ? mmc_cqe_thread : > >>> mmc_queue_thread, > >>> + mq, "mmcqd/%d%s", host->index, > >>> + subname ? subname : ""); > >>> if (IS_ERR(mq->thread)) { > >>> ret = PTR_ERR(mq->thread); > >>> goto cleanup_queue; > >>> diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h > >>> index > >>> 361b46408e0f..8e9273d977c0 100644 > >>> --- a/drivers/mmc/core/queue.h > >>> +++ b/drivers/mmc/core/queue.h > >>> @@ -7,6 +7,20 @@ > >>> #include <linux/mmc/core.h> > >>> #include <linux/mmc/host.h> > >>> > >>> +enum mmc_issued { > >>> + MMC_REQ_STARTED, > >>> + MMC_REQ_BUSY, > >>> + MMC_REQ_FAILED_TO_START, > >>> + MMC_REQ_FINISHED, > >>> +}; > >>> + > >>> +enum mmc_issue_type { > >>> + MMC_ISSUE_SYNC, > >>> + MMC_ISSUE_DCMD, > >>> + MMC_ISSUE_ASYNC, > >>> + MMC_ISSUE_MAX, > >>> +}; > >>> + > >>> static inline struct mmc_queue_req *req_to_mmc_queue_req(struct > >>> request > >>> *rq) { > >>> return blk_mq_rq_to_pdu(rq); > >>> @@ -53,6 +67,7 @@ struct mmc_queue_req { > >>> int drv_op_result; > >>> struct mmc_blk_ioc_data **idata; > >>> unsigned int ioc_count; > >>> + int retries; > >>> }; > >>> > >>> struct mmc_queue { > >>> @@ -70,10 +85,17 @@ struct mmc_queue { > >>> * associated mmc_queue_req data. > >>> */ > >>> int qcnt; > >>> + /* Following are defined for a Command Queue Engine */ > >>> + int cqe_in_flight[MMC_ISSUE_MAX]; > >>> + unsigned int cqe_busy; > >>> + bool cqe_recovery_needed; > >>> + bool cqe_in_recovery; > >>> +#define MMC_CQE_DCMD_BUSY BIT(0) > >>> +#define MMC_CQE_QUEUE_FULL BIT(1) > >>> }; > >>> > >>> extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, > >>> spinlock_t *, > >>> - const char *); > >>> + const char *, int); > >>> extern void mmc_cleanup_queue(struct mmc_queue *); extern void > >>> mmc_queue_suspend(struct mmc_queue *); extern void > >>> mmc_queue_resume(struct mmc_queue *); @@ -85,4 +107,22 @@ > extern > >>> unsigned int mmc_queue_map_sg(struct mmc_queue *, > >>> > >>> extern int mmc_access_rpmb(struct mmc_queue *); > >>> > >>> +void mmc_cqe_kick_queue(struct mmc_queue *mq); > >>> + > >>> +enum mmc_issue_type mmc_cqe_issue_type(struct mmc_host *host, > >>> + struct request *req); > >>> + > >>> +static inline int mmc_cqe_tot_in_flight(struct mmc_queue *mq) { > >>> + return mq->cqe_in_flight[MMC_ISSUE_SYNC] + > >>> + mq->cqe_in_flight[MMC_ISSUE_DCMD] + > >>> + mq->cqe_in_flight[MMC_ISSUE_ASYNC]; > >>> +} > >>> + > >>> +static inline int mmc_cqe_qcnt(struct mmc_queue *mq) { > >>> + return mq->cqe_in_flight[MMC_ISSUE_DCMD] + > >>> + mq->cqe_in_flight[MMC_ISSUE_ASYNC]; > >>> +} > >>> + > >>> #endif > >>> -- > >>> 1.9.1 > >> > >> > >> > >> > > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the > body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html ��.n��������+%������w��{.n�����{��i��)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
