Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1327717
| From | weiyj_lk@163.com |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] QE: Use GFP_ATOMIC under spin lock |
| Date | 2016-02-05 15:00 +0100 |
| Message-ID | <qYP5x-Xo-21@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn> The function cpm_muram_alloc_common() is called from several places, in some of which, such as cpm_muram_alloc(), a lock is held here, so we should use GFP_ATOMIC when a lock is held. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> --- drivers/soc/fsl/qe/qe_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index 419fa5b..d774e54 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -194,7 +194,7 @@ unsigned long cpm_muram_alloc_common(unsigned long size, genpool_algo_t algo, goto out2; start = start - GENPOOL_OFFSET; memset_io(cpm_muram_addr(start), 0, size); - entry = kmalloc(sizeof(*entry), GFP_KERNEL); + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) goto out1; entry->start = start;
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH] QE: Use GFP_ATOMIC under spin lock weiyj_lk@163.com - 2016-02-05 15:00 +0100
csiph-web