在 2021年04月25日 13:50, Youling Tang 写道:
> When using the "help -k" command in the 5.12 kernel, it was found that the
> gcc_version character string was displayed as 0.0.0.
> Check the value of the proc_version string to know,
> crash> help -k
> ...
> proc_version: Linux version 5.12.0-rc2kexec+ (root@bogon) (gcc (GCC) 7.3.1
> 20180303 (Red Hat 7.3.1-6), GNU ld version 2.28-13.fc21.loongson.6) #30
> SMP PREEMPT Thu Apr 22 09:04:57 HKT 2021
> ...
>
> Therefore, the "gcc (GCC)" character should be searched to obtain the correct
> character string "gcc_version" value.
>
> Signed-off-by: Youling Tang <tangyouling@xxxxxxxxxxx>
> ---
> kernel.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/kernel.c b/kernel.c
> index 528f6ee..a1872c2 100644
> --- a/kernel.c
> +++ b/kernel.c
> @@ -1103,9 +1103,13 @@ verify_version(void)
> /*
> * Keeping the gcc version with #define's is getting out of hand.
> */
> - if ((p1 = strstr(kt->proc_version, "gcc version "))) {
> + if ((p1 = strstr(kt->proc_version, "gcc version ")) ||
> + (p1 = strstr(kt->proc_version, "gcc (GCC) "))) {
> BZERO(buf, BUFSIZE);
> - p1 += strlen("gcc version ");
> + if (strstr(kt->proc_version, "gcc version "))
> + p1 += strlen("gcc version ");
> + else
> + p1 += strlen("gcc (GCC) ");
> p2 = buf;
> while (((*p1 >= '0') && (*p1 <= '9')) || (*p1 == '.')) {
> if (*p1 == '.')
> @@ -3661,7 +3665,7 @@ module_init(void)
> modules_found = TRUE;
> break;
> }
> - }
> + }
>
> if (!modules_found) {
> error(WARNING,
>
Acked-by: Lianbo Jiang <lijiang@xxxxxxxxxx>
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