diff options
| author | Trilok Soni <tsoni@codeaurora.org> | 2016-09-02 12:21:28 -0700 |
|---|---|---|
| committer | Trilok Soni <tsoni@codeaurora.org> | 2016-09-02 12:21:28 -0700 |
| commit | ea78c2d2d90b7ca377b73e6f337037859369307e (patch) | |
| tree | 798def909009717bdd0443b3f59d2f9e83595f6d | |
| parent | ab26d098793adbf90b77d414663e34ac0c7315f6 (diff) | |
arm64: Prevent msm-rtb tracing in memcpy_{from,to}io and memset_io
Use the no-log variants of the read{b,q,l}/write{b,q,l} APIs
to prevent flooding the MSM register trace buffer (RTB) logs
with memcpy/memset induced logging.
Change-Id: I16556e1d6f4abe00e6f33b8375a5a1839dfca34e
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
| -rw-r--r-- | arch/arm64/kernel/io.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/arm64/kernel/io.c b/arch/arm64/kernel/io.c index aeb0f25c9289..471fb3cb8c5f 100644 --- a/arch/arm64/kernel/io.c +++ b/arch/arm64/kernel/io.c @@ -28,21 +28,21 @@ void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) { while (count && (!IS_ALIGNED((unsigned long)from, 8) || !IS_ALIGNED((unsigned long)to, 8))) { - *(u8 *)to = __raw_readb(from); + *(u8 *)to = __raw_readb_no_log(from); from++; to++; count--; } while (count >= 8) { - *(u64 *)to = __raw_readq(from); + *(u64 *)to = __raw_readq_no_log(from); from += 8; to += 8; count -= 8; } while (count) { - *(u8 *)to = __raw_readb(from); + *(u8 *)to = __raw_readb_no_log(from); from++; to++; count--; @@ -57,21 +57,21 @@ void __memcpy_toio(volatile void __iomem *to, const void *from, size_t count) { while (count && (!IS_ALIGNED((unsigned long)to, 8) || !IS_ALIGNED((unsigned long)from, 8))) { - __raw_writeb(*(volatile u8 *)from, to); + __raw_writeb_no_log(*(volatile u8 *)from, to); from++; to++; count--; } while (count >= 8) { - __raw_writeq(*(volatile u64 *)from, to); + __raw_writeq_no_log(*(volatile u64 *)from, to); from += 8; to += 8; count -= 8; } while (count) { - __raw_writeb(*(volatile u8 *)from, to); + __raw_writeb_no_log(*(volatile u8 *)from, to); from++; to++; count--; @@ -91,19 +91,19 @@ void __memset_io(volatile void __iomem *dst, int c, size_t count) qc |= qc << 32; while (count && !IS_ALIGNED((unsigned long)dst, 8)) { - __raw_writeb(c, dst); + __raw_writeb_no_log(c, dst); dst++; count--; } while (count >= 8) { - __raw_writeq(qc, dst); + __raw_writeq_no_log(qc, dst); dst += 8; count -= 8; } while (count) { - __raw_writeb(c, dst); + __raw_writeb_no_log(c, dst); dst++; count--; } |
