On 23/3/20 3:52 pm, Christopher M. Riedl wrote:
When compiled with CONFIG_STRICT_KERNEL_RWX, the kernel must create
temporary mappings when patching itself. These mappings temporarily
override the strict RWX text protections to permit a write. Currently,
powerpc allocates a per-CPU VM area for pa
Le 23/03/2020 à 15:04, Christophe Leroy a écrit :
On 03/23/2020 11:30 AM, Christophe Leroy wrote:
On 03/23/2020 04:52 AM, Christopher M. Riedl wrote:
When compiled with CONFIG_STRICT_KERNEL_RWX, the kernel must create
temporary mappings when patching itself. These mappings temporarily
ov
Le 23/03/2020 à 17:49, Christopher M Riedl a écrit :
On March 23, 2020 9:04 AM Christophe Leroy wrote:
On 03/23/2020 11:30 AM, Christophe Leroy wrote:
On 03/23/2020 04:52 AM, Christopher M. Riedl wrote:
When compiled with CONFIG_STRICT_KERNEL_RWX, the kernel must create
temporary ma
On 03/23/2020 11:30 AM, Christophe Leroy wrote:
On 03/23/2020 04:52 AM, Christopher M. Riedl wrote:
When compiled with CONFIG_STRICT_KERNEL_RWX, the kernel must create
temporary mappings when patching itself. These mappings temporarily
override the strict RWX text protections to permit a wr
On 03/23/2020 04:52 AM, Christopher M. Riedl wrote:
When compiled with CONFIG_STRICT_KERNEL_RWX, the kernel must create
temporary mappings when patching itself. These mappings temporarily
override the strict RWX text protections to permit a write. Currently,
powerpc allocates a per-CPU VM area
When compiled with CONFIG_STRICT_KERNEL_RWX, the kernel must create
temporary mappings when patching itself. These mappings temporarily
override the strict RWX text protections to permit a write. Currently,
powerpc allocates a per-CPU VM area for patching. Patching occurs as
follows:
1. Ma