On 07.18, Marcelo Tosatti wrote:
>
> Hello,
>
> Here goes -pre7.
>
> This is a feature freeze, only bugfixes will be accepted from now on.
>
HyperThreaded P4s will still fail to set AT_PLATFORM correctly.
Do you want to kill this bug from .22 ? ;)
--- linux/fs/binfmt_elf.c.orig 2002-12-28 00:12:32.000000000 +0100
+++ linux/fs/binfmt_elf.c 2002-12-28 00:32:37.000000000 +0100
@@ -116,11 +116,14 @@
elf_caddr_t *argv;
elf_caddr_t *envp;
elf_addr_t *sp, *csp;
+ char *stack_top;
char *k_platform, *u_platform;
long hwcap;
size_t platform_len = 0;
size_t len;
+ stack_top = p;
+
/*
* Get hold of platform and hardware capabilities masks for
* the machine we are running on. In some cases (Sparc),
@@ -135,8 +138,8 @@
platform_len = strlen(k_platform) + 1;
u_platform = p - platform_len;
__copy_to_user(u_platform, k_platform, platform_len);
- } else
- u_platform = p;
+ stack_top = u_platform;
+ }
#if defined(__i386__) && defined(CONFIG_SMP)
/*
@@ -149,15 +152,14 @@
* processors. This keeps Mr Marcelo Person happier but should be
* removed for 2.5
*/
-
if(smp_num_siblings > 1)
- u_platform = u_platform - ((current->pid % 64) << 7);
+ stack_top -= ((current->pid % NR_CPUS) << 7);
#endif
/*
* Force 16 byte _final_ alignment here for generality.
*/
- sp = (elf_addr_t *)(~15UL & (unsigned long)(u_platform));
+ sp = (elf_addr_t *)(~15UL & (unsigned long)(stack_top));
csp = sp;
csp -= (1+DLINFO_ITEMS)*2 + (k_platform ? 2 : 0);
#ifdef DLINFO_ARCH_ITEMS
-- J.A. Magallon <jamagallon@able.es> \ Software is like sex: werewolf.able.es \ It's better when it's free Mandrake Linux release 9.2 (Cooker) for i586 Linux 2.4.22-pre6-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-0.3mdk)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Jul 23 2003 - 22:00:36 EST