Resubmitting after recommendation to use GET_REG32_1() instead of GET_REG32_LOOP(..., 1). Retested. Problem remains fixed.
Prevent tg3_get_regs() from reading reserved and undocumented registers at RX_CPU_BASE and TX_CPU_BASE offsets which caused hostile behavior on PCIe platforms. diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7151,8 +7151,13 @@ do { p = (u32 *)(orig_p + (reg)); \ GET_REG32_LOOP(BUFMGR_MODE, 0x58); GET_REG32_LOOP(RDMAC_MODE, 0x08); GET_REG32_LOOP(WDMAC_MODE, 0x08); - GET_REG32_LOOP(RX_CPU_BASE, 0x280); - GET_REG32_LOOP(TX_CPU_BASE, 0x280); + GET_REG32_1(RX_CPU_MODE); + GET_REG32_1(RX_CPU_STATE); + GET_REG32_1(RX_CPU_PGMCTR); + GET_REG32_1(RX_CPU_HWBKPT); + GET_REG32_1(TX_CPU_MODE); + GET_REG32_1(TX_CPU_STATE); + GET_REG32_1(TX_CPU_PGMCTR); GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110); GET_REG32_LOOP(FTQ_RESET, 0x120); GET_REG32_LOOP(MSGINT_MODE, 0x0c); diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -1124,7 +1124,14 @@ /* 0x280 --> 0x400 unused */ #define RX_CPU_BASE 0x00005000 +#define RX_CPU_MODE 0x00005000 +#define RX_CPU_STATE 0x00005004 +#define RX_CPU_PGMCTR 0x0000501c +#define RX_CPU_HWBKPT 0x00005034 #define TX_CPU_BASE 0x00005400 +#define TX_CPU_MODE 0x00005400 +#define TX_CPU_STATE 0x00005404 +#define TX_CPU_PGMCTR 0x0000541c /* Mailboxes */ #define GRCMBOX_INTERRUPT_0 0x00005800 /* 64-bit */ - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html