Commit 4b2a8b60 authored by Gerald Schaefer's avatar Gerald Schaefer Committed by Martin Schwidefsky
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[S390] kernel: Disable switch_amode by default

Disable switch_amode by default because pagetable walk on pre z9
hardware has negative performance impact.

Signed-off-by: default avatarGerald Schaefer <>
Signed-off-by: default avatarMartin Schwidefsky <>
parent 8283cb43
......@@ -301,11 +301,7 @@ static int __init early_parse_mem(char *p)
early_param("mem", early_parse_mem);
unsigned int switch_amode = 1;
unsigned int switch_amode = 0;
static int set_amode_and_uaccess(unsigned long user_amode,
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