diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-22 09:37:31 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-22 09:37:31 +0200 |
| commit | dc5341f41dc81bd497828e562da135bcff9c876c (patch) | |
| tree | ac7454895fb212e86c299c2822c10ce2772f01e8 /arch | |
| parent | 7867e402787a23001cfb81ff298b7d023fee676a (diff) | |
| parent | d24846a4246b6e61ecbd036880a4adf61681d241 (diff) | |
Merge tag 'for-5.17/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull more parisc architecture updates from Helge Deller:
"Fixes and enhancements:
- a memory leak fix in an error path in pdc_stable (Miaoqian Lin)
- two compiler warning fixes in the TOC code
- added autodetection for currently used console type (serial or
graphics) which inserts console=<type> if it's missing"
* tag 'for-5.17/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: pdc_stable: Fix memory leak in pdcs_register_pathentries
parisc: Fix missing prototype for 'toc_intr' warning in toc.c
parisc: Autodetect default output device and set console= kernel parameter
parisc: Use safer strscpy() in setup_cmdline()
parisc: Add visible flag to toc_stack variable
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/setup.c | 15 | ||||
| -rw-r--r-- | arch/parisc/kernel/toc.c | 3 |
3 files changed, 16 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index b669f4b9040b..3a3d05438408 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -289,6 +289,7 @@ extern int _parisc_requires_coherency; extern int running_on_qemu; +extern void __noreturn toc_intr(struct pt_regs *regs); extern void toc_handler(void); extern unsigned int toc_handler_size; extern unsigned int toc_handler_csum; diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index cceb09855e03..b91cb45ffd4e 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -48,6 +48,7 @@ struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL; void __init setup_cmdline(char **cmdline_p) { extern unsigned int boot_args[]; + char *p; /* Collect stuff passed in from the boot loader */ @@ -56,9 +57,19 @@ void __init setup_cmdline(char **cmdline_p) /* called from hpux boot loader */ boot_command_line[0] = '\0'; } else { - strlcpy(boot_command_line, (char *)__va(boot_args[1]), + strscpy(boot_command_line, (char *)__va(boot_args[1]), COMMAND_LINE_SIZE); + /* autodetect console type (if not done by palo yet) */ + p = boot_command_line; + if (!str_has_prefix(p, "console=") && !strstr(p, " console=")) { + strlcat(p, " console=", COMMAND_LINE_SIZE); + if (PAGE0->mem_cons.cl_class == CL_DUPLEX) + strlcat(p, "ttyS0", COMMAND_LINE_SIZE); + else + strlcat(p, "tty0", COMMAND_LINE_SIZE); + } + #ifdef CONFIG_BLK_DEV_INITRD if (boot_args[2] != 0) /* did palo pass us a ramdisk? */ { @@ -68,7 +79,7 @@ void __init setup_cmdline(char **cmdline_p) #endif } - strcpy(command_line, boot_command_line); + strscpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; } diff --git a/arch/parisc/kernel/toc.c b/arch/parisc/kernel/toc.c index be9a0bebe61e..e4b48d07afbd 100644 --- a/arch/parisc/kernel/toc.c +++ b/arch/parisc/kernel/toc.c @@ -10,9 +10,10 @@ #include <asm/pdc.h> #include <asm/pdc_chassis.h> #include <asm/ldcw.h> +#include <asm/processor.h> static unsigned int __aligned(16) toc_lock = 1; -DEFINE_PER_CPU_PAGE_ALIGNED(char [16384], toc_stack); +DEFINE_PER_CPU_PAGE_ALIGNED(char [16384], toc_stack) __visible; static void toc20_to_pt_regs(struct pt_regs *regs, struct pdc_toc_pim_20 *toc) { |