diff options
| author | Olof Johansson <olof@lixom.net> | 2014-09-24 11:20:48 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-09-24 11:21:01 -0700 |
| commit | 28fd837204236cf5b5533525e5b53c5176fa97a3 (patch) | |
| tree | ac7dcad925950bc0bb53c5a55cb199e31e7aaee0 /arch/s390/kernel/setup.c | |
| parent | c82eb464879dd0ecbe0c4cb1b80ac4e82b634872 (diff) | |
| parent | 64d14a31d5410ea34641c41795e0ba222bda740c (diff) | |
Merge tag 'imx-cleanup-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/cleanup
Merge "ARM: imx: cleanup for 3.18" from Shawn Guo:
The i.MX cleanup for 3.18:
- Reomve a few i.MX27 and i.MX1 board files
- Remove imx_scu_standby_enable() since core code handles scu
standby now
- Remove unnecessary iomux declaration
- Remove useless sound card property from vf610-twr dts
* tag 'imx-cleanup-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: Remove mach-mxt_td60 board file
ARM: i.MX: Remove i.MX1 ADS board support
ARM: dts: vf610-twr: remove useless property for sound card.
ARM: imx: remove imx_scu_standby_enable()
ARM: i.MX: Remove Phytec i.MX27 PCM038/PCM970 board files
ARM: i.MX: Remove mach-cpuimx27sd board file
ARM: imx: iomux: Do not export symbol without public declaration
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index ae1d5be7dd8..82bc113e8c1 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -24,6 +24,7 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> +#include <linux/random.h> #include <linux/user.h> #include <linux/tty.h> #include <linux/ioport.h> @@ -61,6 +62,7 @@ #include <asm/diag.h> #include <asm/os_info.h> #include <asm/sclp.h> +#include <asm/sysinfo.h> #include "entry.h" /* @@ -766,6 +768,7 @@ static void __init setup_hwcaps(void) #endif get_cpu_id(&cpu_id); + add_device_randomness(&cpu_id, sizeof(cpu_id)); switch (cpu_id.machine) { case 0x9672: #if !defined(CONFIG_64BIT) @@ -804,6 +807,19 @@ static void __init setup_hwcaps(void) } /* + * Add system information as device randomness + */ +static void __init setup_randomness(void) +{ + struct sysinfo_3_2_2 *vmms; + + vmms = (struct sysinfo_3_2_2 *) alloc_page(GFP_KERNEL); + if (vmms && stsi(vmms, 3, 2, 2) == 0 && vmms->count) + add_device_randomness(&vmms, vmms->count); + free_page((unsigned long) vmms); +} + +/* * Setup function called from init/main.c just after the banner * was printed. */ @@ -901,6 +917,9 @@ void __init setup_arch(char **cmdline_p) /* Setup zfcpdump support */ setup_zfcpdump(); + + /* Add system specific data to the random pool */ + setup_randomness(); } #ifdef CONFIG_32BIT |