write_dscr(9)

💖 write_dscr(9) — NAME 💖

okay bestie, welcome to the Kernel API Manual page for write_dscr(9). The name line is literally write_dscr — Update the cpu specific DSCR default. 💅

🦋 SYNOPSIS 🦋

void write_dscr (void *val );

That's the whole signature, no cap: void, and it takes a void *val. 🫶

🎀 ARGUMENTS 🎀

• val — the new cpu specific DSCR default value to update. literally the value you're handing over. ✨

💅 DESCRIPTION 💅

okay so this function updates the per cpu DSCR default value for any cpu which is contained in its PACA structure. That's the whole vibe — per cpu DSCR default update, right there in its PACA structure. 🦋

🔥 SEE ALSO 🔥

• Kernel file ./arch/powerpc/kernel/sysfs.c
• read_dscr(9)
• show_dscr_default(9)
• store_dscr_default(9)

mwah 💋 this page comes from ./arch/powerpc/kernel in the Kernel API Manual, dated October 2026, and it's signing off as write_dscr(9). 🫶✨